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MAX7315ATE+T

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MAX7315ATE+T

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Part Number MAX7315ATE+T
Manufacturer Maxim Integrated
Description IC I/O EXPANDER I2C 8B 16TQFN
Datasheet MAX7315ATE+T Datasheet
Package 16-WFQFN Exposed Pad
In Stock 9,602 piece(s)
Unit Price $ 1.5055 *
Lead Time Can Ship Immediately
Estimated Delivery Time Jul 12 - Jul 17 (Choose Expedited Shipping)
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Part Number # MAX7315ATE+T (Interface - I/O Expanders) is manufactured by Maxim Integrated and distributed by Heisener. Being one of the leading electronics distributors, we carry many kinds of electronic components from some of the world’s top class manufacturers. Their quality is guaranteed by its stringent quality control to meet all required standards.

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MAX7315ATE+T Specifications

ManufacturerMaxim Integrated
CategoryIntegrated Circuits (ICs) - Interface - I/O Expanders
Datasheet MAX7315ATE+TDatasheet
Package16-WFQFN Exposed Pad
Series-
Number of I/O8
InterfaceI2C, SMBus
Interrupt OutputYes
FeaturesPWM
Output TypeOpen Drain
Current - Output Source/Sink50mA
Clock Frequency400kHz
Voltage - Supply2 V ~ 3.6 V
Operating Temperature-40°C ~ 125°C
Mounting TypeSurface Mount
Package / Case16-WFQFN Exposed Pad
Supplier Device Package16-TQFN (3x3)

MAX7315ATE+T Datasheet

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General Description The MAX7315 I2C-/SMBus-compatible serial interfaced peripheral provides microprocessors with 8 I/O ports. Each I/O port can be individually configured as either an open-drain current-sinking output rated at 50mA at 5.5V, or a logic input with transition detection. A ninth port can be used for transition detection interrupt or as a general- purpose output. The outputs are capable of directly dri- ving LEDs, or providing logic outputs with external resistive pullup up to 5.5V. PWM current drive is integrated with 8 bits of control. Four bits are global control and apply to all LED outputs to provide coarse adjustment of current from fully off to fully on in 14 intensity steps. Each output then has indi- vidual 4-bit control, which further divides the globally set current into 16 more steps. Alternatively, the current control can be configured as a single 8-bit control that sets all outputs at once. The MAX7315 is pin and software compatible with the PCA9534 and PCA9554(A). Each output has independent blink timing with two blink phases. All LEDs can be individually set to be on or off during either blink phase, or to ignore the blink control. The blink period is controlled by a register. The MAX7315 supports hot insertion. All port pins, the INT output, SDA, SCL, and the slave address inputs ADO-2 remain high impedance in power-down (V+ = 0V) with up to 6V asserted upon them. The MAX7315 is controlled through the 2-wire I2C/SMBus serial interface, and can be configured to one of 64 I2C addresses. Applications Features © 400kbps, 2-Wire Serial Interface, 5.5V Tolerant © 2V to 3.6V Operation © Overall 8-Bit PWM LED Intensity Control Global 16-Step Intensity Control Plus Individual 16-Step Intensity Control © Automatic Two-Phase LED Blinking © 50mA Maximum Port Output Current © Supports Hot Insertion © Outputs Are 5.5V-Rated Open Drain © Inputs Are Overvoltage Protected to 5.5V © Transition Detection with Interrupt Output © Low Standby Current (1.2µA typ; 3.3µA max) © Tiny 3mm x 3mm, Thin QFN Package © -40°C to +125°C Temperature Range © All Ports Can Be Configured as Inputs or Outputs M A X 7 3 1 5 8-Port I/O Expander with LED Intensity Control, Interrupt, and Hot-Insertion Protection ________________________________________________________________ Maxim Integrated Products 1 12 11 10 9 IN T /O 8 P 7 P 6 5 6 7 8 P3 GND P5 16 15 14 13 AD1 ADO V+ 1 2 3 4 A D 2 P 0 P 1 P 2 SDA P4 S C L THIN QFN TOP VIEW MAX7315ATE Pin Configurations 19-3056; Rev 3; 1/05 For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. EVALU ATION KIT AVAILA BLE Ordering Information PART TEMP RANGE PIN- PACKAGE TOP MARK PKG CODE MAX7315ATE -40°C to +125°C 16 Thin QFN 3mm x 3mm x 0.8mm AAU T1633-4 MAX7315AEE -40°C to +125°C 16 QSOP — — MAX 7315AU E -40°C to +125°C 16 TSSOP — — Pin Configurations continued at end of data sheet. LCD Backlights LED Status Indication Portable Equipment Laptop Computers Keypad Backlights RGB LED Drivers Cellular Phones Typical Application Circuit appears at end of data sheet.

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M A X 7 3 1 5 8-Port I/O Expander with LED Intensity Control, Interrupt, and Hot-Insertion Protection 2 _______________________________________________________________________________________ ABSOLUTE MAXIMUM RATINGS Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Voltage (with respect to GND) V+ .............................................................................-0.3V to +4V SCL, SDA, AD0, AD1, AD2, P0–P7 ..........................-0.3V to +6V INT/O8 .....................................................................-0.3V to +8V DC Current on P0–P7, INT/O8 ............................................55mA DC Current on SDA.............................................................10mA Maximum GND Current ....................................................190mA Continuous Power Dissipation (TA = +70°C) 16-Pin TSSOP (derate 9.4mW/°C over +70°C) ............754mW 16-Pin QSOP (derate 8.3mW/°C over +70°C)..............666mW 16-Pin QFN (derate 14.7mW/°C over +70°C) ............1176mW Operating Temperature Range (TMIN to TMAX)-40°C to +125°C Junction Temperature ......................................................+150°C Storage Temperature Range .............................-65°C to +150°C Lead Temperature (soldering, 10s) .................................+300°C ELECTRICAL CHARACTERISTICS (Typical Operating Circuit, V+ = 2V to 3.6V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at V+ = 3.3V, TA = +25°C.) (Note 1) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Operating Supply Voltage V+ 2 3.6 V Output Load External Supply Voltage VEXT 0 5.5 V TA = +25°C 1.2 2.3 TA = -40°C to +85°C 2.6 Standby Current (Interface Idle, PWM Disabled) I+ SCL and SDA at V +; other digital inp uts at V + or GN D; PWM intensi ty contr ol disab led TA = TMIN to TMAX 3.3 µA TA = +25°C 7 12.1 TA = -40°C to +85°C 13.5 Supply Current (Interface Idle, PWM Enabled) I+ SCL and SDA at V +; other digital inp uts at V + or GN D; PWM intensi ty contr ol enab led TA = TMIN to TMAX 14.4 µA TA = +25°C 40 76 TA = -40°C to +85°C 78 Supply Current (Interface Running, PWM Disabled) I+ fSCL = 400kHz; other digital inputs at V+ or GND; PWM intensity control disabled TA = TMIN to TMAX 80 µA TA = +25°C 51 110 TA = -40°C to +85°C 117 Supply Current (Interface Running, PWM Enabled) I+ fSCL = 400kHz; other digital inputs at V+ or GND; PWM intensity control enabled TA = TMIN to TMAX 122 µA Input High Voltage SDA, SCL, AD0, AD1, AD2, P0–P7 VIH 0.7 5 V+ V Input Low Voltage SDA, SCL, AD0, AD1, AD2, P0–P7 VIL 0.3 5 V+ V Input Leakage Current SDA, SCL, AD0, AD1, AD2, P0–P7 IIH, IIL Input = GND or V+ -0.2 +0.2 µA Input Capacitance SDA, SCL, AD0, AD1, AD2, P0–P7 8 pF

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M A X 7 3 1 5 8-Port I/O Expander with LED Intensity Control, Interrupt, and Hot-Insertion Protection _______________________________________________________________________________________ 3 ELECTRICAL CHARACTERISTICS (continued) (Typical Operating Circuit, V+ = 2V to 3.6V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at V+ = 3.3V, TA= + 25°C.) (Note 1) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS TA = +25°C 0.15 0.25 TA = -40°C to +85°C 0.29V+ = 2V, ISINK = 20mA TA = TMIN to TMAX 0.31 TA = +25°C 0.13 0.22 TA = -40°C to +85°C 0.25V+ = 2.5V, ISINK = 20mA TA = TMIN to TMAX 0.27 TA = +25°C 0.12 0.22 TA = -40°C to +85°C 0.23 Output Low Voltage P0–P7, INT/O8 VOL V+ = 3.3V, ISINK = 20mA TA = TMIN to TMAX 0.25 V Output Low-Voltage SDA VOLSDA ISINK = 6mA 0.4 V PWM Clock Frequency fPWM 32 kHz TIMING CHARACTERISTICS (Typical Operating Circuit, V+ = 2V to 3.6V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at V+ = 3.3V, TA = +25°C.) (Note 1) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Serial Clock Frequency fSCL 400 kHz Bus Free Time Between a STOP and a START Condition tBUF 1.3 µs Hold Time, Repeated START Condition tHD, STA 0.6 µs Repeated START Condition Setup Time tSU, STA 0.6 µs STOP Condition Setup Time tSU, STO 0.6 µs Data Hold Time tHD, DAT (Note 2) 0.9 µs Data Setup Time tSU, DAT 180 ns SCL Clock Low Period tLOW 1.3 µs SCL Clock High Period tHIGH 0.7 µs Rise Time of Both SDA and SCL Signals, Receiving tR (Notes 3, 4) 200 + 0.1Cb 300 ns Fall Time of Both SDA and SCL Signals, Receiving tF (Notes 3, 4) 200 + 0.1Cb 300 ns Fall Time of SDA Transmitting tF.TX (Notes 3, 5) 200 + 0.1Cb 250 ns Pulse Width of Spike Suppressed tSP (Note 6) 50 ns Capacitive Load for Each Bus Line Cb (Note 3) 400 pF

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M A X 7 3 1 5 8-Port I/O Expander with LED Intensity Control, Interrupt, and Hot-Insertion Protection 4 _______________________________________________________________________________________ TIMING CHARACTERISTICS (continued) (Typical Operating Circuit, V+ = 2V to 3.6V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at V+ = 3.3V, TA = +25°C.) (Note 1) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Interrupt Valid tIV Figure 10 6.5 µs Interrupt Reset tIR Figure 10 1 µs Output Data Valid tDV Figure 10 5 µs Input Data Setup Time tDS Figure 10 100 ns Input Data Hold Time tDH Figure 10 1 µs Note 1: All parameters tested at TA = +25°C. Specifications over temperature are guaranteed by design. Note 2: A master device must provide a hold time of at least 300ns for the SDA signal (referred to VIL of the SCL signal) to bridge the undefined region of SCL’s falling edge. Note 3: Guaranteed by design. Note 4: Cb = total capacitance of one bus line in pF. tR and tF measured between 0.3 x VDD and 0.7 x VDD. Note 5: ISINK ≤ 6mA. Cb = total capacitance of one bus line in pF. tR and tF measured between 0.3 x VDD and 0.7 x VDD. Note 6: Input filters on the SDA and SCL inputs suppress noise spikes less than 50ns. STANDBY CURRENT vs. TEMPERATURE M A X 7 3 1 5 to c 0 1 TEMPERATURE (°C) S T A N D B Y C U R R E N T (µ A ) 1109565 80-10 5 20 35 50-25 1 2 3 4 5 6 7 8 9 10 0 -40 125 V+ = 3.6V PWM ENABLED V+ = 2.7V PWM ENABLED V+ = 2V PWM DISABLED V+ = 2.7V PWM DISABLED V+ = 3.6V PWM DISABLED V+ = 2V PWM ENABLED SUPPLY CURRENT vs. TEMPERATURE (PWM DISABLED; fSCL = 400kHz) M A X 7 3 1 5 to c 0 2 TEMPERATURE (°C) S U P P L Y C U R R E N T (µ A ) 1109565 80-10 5 20 35 50-25 10 20 30 40 50 60 70 0 -40 125 V+ = 3.6V V+ = 2.7V V+ = 2V 5 10 15 20 25 30 35 40 45 50 55 60 65 70 0 SUPPLY CURRENT vs. TEMPERATURE (PWM ENABLED; fSCL = 400kHz) M A X 7 3 1 5 to c 0 3 TEMPERATURE (°C) S U P P L Y C U R R E N T (µ A ) 1109565 80-10 5 20 35 50-25-40 125 V+ = 3.6V V+ = 2.7V V+ = 2V __________________________________________Typical Operating Characteristics (TA = +25°C, unless otherwise noted.)

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M A X 7 3 1 5 8-Port I/O Expander with LED Intensity Control, Interrupt, and Hot-Insertion Protection _______________________________________________________________________________________ 5 PORT OUTPUT LOW VOLTAGE WITH 50mA LOAD CURRENT vs. TEMPERATURE P O R T O U T P U T L O W V O L T A G E V O L (V ) 0.1 0.2 0.3 0.4 0.5 0.6 0 M A X 7 3 1 5 to c 0 4 TEMPERATURE (°C) 1109565 80-10 5 20 35 50-25-40 125 V+ = 3.6V V+ = 2.7V V+ = 2V PORT OUTPUT LOW VOLTAGE WITH 20mA LOAD CURRENT vs. TEMPERATURE M A X 7 3 1 5 to c 0 5 TEMPERATURE (°C) P O R T O U T P U T L O W V O L T A G E V O L (V ) 1109580655035205-10-25 0.1 0.2 0.3 0.4 0.5 0.6 0 -40 125 ALL OUTPUTS LOADED V+ = 3.6VV+ = 2.7V V+ = 2V PWM CLOCK FREQUENCY vs. TEMPERATURE M A X 7 3 1 5 to c 0 6 TEMPERATURE (°C) P W M C L O C K F R E Q U E N C Y 1109580655035205-10-25 0.950 1.000 1.050 0.900 0.925 0.975 1.025 -40 125 V+ = 3.6V V+ = 2V V+ = 2.7V NORMALIZED TO V+ = 3.3V, TA = +25°C SCOPE SHOT OF 2 OUTPUT PORTS MAX7315 toc07 2ms/div OUTPUT 1, 2V/div OUTPUT 2, 2V/div MASTER INTENSITY SET TO 1/15 OUTPUT 1 INDIVIDUAL INTENSITY SET TO 1/16 OUTPUT 2 INDIVIDUAL INTENSITY SET TO 15/16 SCOPE SHOT OF 2 OUTPUT PORTS MAX7315 toc08 2ms/div OUTPUT 1, 2V/div OUTPUT 2, 2V/div OUTPUT 1 INDIVIDUAL INTENSITY SET TO 1/16 MASTER INTENSITY SET TO 14/15 OUTPUT 2 INDIVIDUAL INTENSITY SET TO 14/15 SINK CURRENT vs. VOL M A X 7 3 1 5 to c 0 9 SINK CURRENT (mA) V O L (V ) 5040302010 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0 0 V+ = 2V V+ = 2.7V ONLY ONE OUTPUT LOADED V+ = 3.3V V+ = 3.6V Typical Operating Characteristics (continued) (TA = +25°C, unless otherwise noted.)

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M A X 7 3 1 5 Functional Overview The MAX7315 is a general-purpose input/output (GPIO) peripheral that provides eight I/O ports, P0–P7, con- trolled through an I2C-compatible serial interface. A 9th output-only port, INT/O8, can be configured as an inter- rupt output or as a general-purpose output port. All out- put ports sink loads up to 50mA connected to external supplies up to 5.5V, independent of the MAX7315’s supply voltage. The MAX7315 is rated for a ground cur- rent of 190mA, allowing all nine outputs to sink 20mA at the same time. Figure 1 shows the output structure of the MAX7315. The ports default to inputs on power-up. Port Inputs and Transition Detection An input ports register reflects the incoming logic levels of the port pins, regardless of whether the pin is defined as an input or an output. Reading the input 8-Port I/O Expander with LED Intensity Control, Interrupt, and Hot-Insertion Protection 6 _______________________________________________________________________________________ PIN QSOP/TSSOP QFN NAME FUNCTION 1, 2, 3 15, 16, 1 AD0, AD1, AD2 Address Inputs. Sets device slave address. Connect to either GND, V+, SCL, or SDA to give 64 logic combinations. See Table 1. 4–7, 9–12 2–5, 7–10 P0–P7 Input/Output Ports. P0–P7 are open-drain I/Os rated at 5.5V, 50mA. 8 6 GND Ground. Do not sink more than 190mA into the GND pin. 13 11 INT/O8 Output Port. Open-drain output rated at 7.0V, 50mA. Configurable as interrupt output or general-purpose output. 14 12 SCL I2C-Compatible Serial Clock Input 15 13 SDA I2C-Compatible Serial Data I/O 16 14 V+ Positive Supply Voltage. Bypass V+ to GND with a 0.047µF ceramic capacitor — PAD Exposed pad Exposed Pad on Package Underside. Connect to GND. Pin Description Figure 1. Simplified Schematic of I/O Ports D CK Q Q FF DATA FROM SHIFT REGISTER DATA FROM SHIFT REGISTER WRITE CONFIGURATION PULSE WRITE PULSE READ PULSE CONFIGURATION REGISTER D CK Q Q FF INPUT PORT REGISTER D CK Q Q FF OUTPUT PORT REGISTER OUTPUT PORT REGISTER DATA I/O PIN Q2 GND INPUT PORT REGISTER DATA TO INT

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ports register latches the current-input logic level of the affected eight ports. Transition detection allows all ports configured as inputs to be monitored for changes in their logic status. The action of reading the input ports register samples the corresponding 8 port bits’ input condition. This sample is continuously compared with the actual input conditions. A detected change in input condition causes the INT/O8 interrupt output to go low, if configured as an interrupt output. The interrupt is cleared either automatically if the changed input returns to its original state, or when the input ports register is read. The INT/O8 pin can be configured as either an interrupt output or as a 9th output port with the same static or blink controls as the other eight ports (Table 4). Port Output Control and LED Blinking The blink phase 0 register sets the output logic levels of the eight ports P0–P7 (Table 8). This register controls the port outputs if the blink function is disabled. A dupli- cate register, the blink phase 1 register, is also used if the blink function is enabled (Table 9). In blink mode, the port outputs can be flipped between using the blink phase 0 register and the blink phase 1 register using software control (the blink flip flag in the configuration register) (Table 4). PWM Intensity Control The MAX7315 includes an internal oscillator, nominally 32kHz, to generate PWM timing for LED intensity con- trol. PWM intensity control can be enabled on an out- put-by-output basis, allowing the MAX7315 to provide any mix of PWM LED drives and glitch-free logic out- puts (Table 10). PWM can be disabled entirely, in which case all output ports are static and the MAX7315 oper- ating current is lowest because the internal oscillator is turned off. PWM intensity control uses a 4-bit master control and 4 bits of individual control per output (Tables 13, 14). The 4-bit master control provides 16 levels of overall intensi- ty control, which applies to all PWM-enabled output ports. The master control sets the maximum pulse width from 1/15 to 15/15 of the PWM time period. The individ- ual settings comprise a 4-bit number further reducing the duty cycle to be from 1/16 to 15/16 of the time win- dow set by the master control. For applications requiring the same PWM setting for all output ports, a single global PWM control can be used instead of all the individual controls to simplify the con- trol software and provide 240 steps of intensity control (Tables 10 and 13). Standby Mode When the serial interface is idle and the PWM intensity control is unused, the MAX7315 automatically enters standby mode. If the PWM intensity control is used, the operating current is slightly higher because the internal PWM oscillator is running. When the serial interface is active, the operating current also increases because the MAX7315, like all I2C slaves, has to monitor every transmission. Serial Interface Serial Addressing The MAX7315 operates as a slave that sends and receives data through an I2C-compatible 2-wire inter- face. The interface uses a serial data line (SDA) and a serial clock line (SCL) to achieve bidirectional commu- nication between master(s) and slave(s). A master (typ- ically a microcontroller) initiates all data transfers to and from the MAX7315 and generates the SCL clock that synchronizes the data transfer (Figure 2). The MAX7315 SDA line operates as both an input and an open-drain output. A pullup resistor, typically 4.7kΩ, is required on SDA. The MAX7315 SCL line operates M A X 7 3 1 5 8-Port I/O Expander with LED Intensity Control, Interrupt, and Hot-Insertion Protection _______________________________________________________________________________________ 7 Figure 2. 2-Wire Serial Interface Timing Details SCL SDA tR tF tBUF START CONDITION STOP CONDITION REPEATED START CONDITION START CONDITION tSU,STO tHD,STA tSU,STA tHD,DAT tSU,DAT tLOW tHIGH tHD,STA

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M A X 7 3 1 5 only as an input. A pullup resistor, typically 4.7kΩ, is required on SCL if there are multiple masters on the 2- wire interface, or if the master in a single-master system has an open-drain SCL output. Each transmission consists of a START condition (Figure 3) sent by a master, followed by the MAX7315 7-bit slave address plus R/W bit, a register address byte, one or more data bytes, and finally a STOP condi- tion (Figure 3). Start and Stop Conditions Both SCL and SDA remain high when the interface is not busy. A master signals the beginning of a transmis- sion with a START (S) condition by transitioning SDA from high to low while SCL is high. When the master has finished communicating with the slave, it issues a STOP (P) condition by transitioning SDA from low to high while SCL is high. The bus is then free for another transmission (Figure 3). Bit Transfer One data bit is transferred during each clock pulse. The data on SDA must remain stable while SCL is high (Figure 4). Acknowledge The acknowledge bit is a clocked 9th bit that the recipi- ent uses to handshake receipt of each byte of data (Figure 5). Thus, each byte transferred effectively requires 9 bits. The master generates the 9th clock pulse, and the recipient pulls down SDA during the acknowledge clock pulse so the SDA line is stable low during the high period of the clock pulse. When the master is transmitting to the MAX7315, the device gen- erates the acknowledge bit because the MAX7315 is the recipient. When the MAX7315 is transmitting to the master, the master generates the acknowledge bit because the master is the recipient. Slave Address The MAX7315 has a 7-bit long slave address (Figure 6). The eighth bit following the 7-bit slave address is the R/W bit. The R/W bit is low for a write command, high for a read command. The slave address bits A6 through A0 are selected by the address inputs AD0, AD1, and AD2. These pins can be connected to GND, V+, SDA, or SCL. The MAX7315 has 64 possible slave addresses (Table 1) and, there- fore, a maximum of 64 MAX7315 devices can be con- trolled independently from the same interface. Message Format for Writing the MAX7315 A write to the MAX7315 comprises the transmission of the MAX7315’s slave address with the R/W bit set to zero, followed by at least 1 byte of information. The first byte of information is the command byte. The command byte determines which register of the MAX7315 is to be written to by the next byte, if received (Table 2). If a STOP condition is detected after the command byte is received, then the MAX7315 takes no further action beyond storing the command byte. 8-Port I/O Expander with LED Intensity Control, Interrupt, and Hot-Insertion Protection 8 _______________________________________________________________________________________ Figure 3. Start and Stop Conditions SDA SCL START CONDITION STOP CONDITION S P Figure 4. Bit Transfer SDA SCL DATA LINE STABLE; DATA VALID CHANGE OF DATA ALLOWED Figure 5. Acknowledge SCL SDA BY TRANSMITTER CLOCK PULSE FOR ACKNOWLEDGE START CONDITION SDA BY RECEIVER 1 2 8 9 S Figure 6. Slave Address SDA SCL A5 MSB LSB ACK A4 A1A6 A3 A0 A2 R/W

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M A X 7 3 1 5 8-Port I/O Expander with LED Intensity Control, Interrupt, and Hot-Insertion Protection _______________________________________________________________________________________ 9 Table 1. MAX7315 I2C Slave Address Map DEVICE ADDRESS PIN AD2 PIN AD1 PIN AD0 A6 A5 A4 A3 A2 A1 A0 GND SCL GND 0 0 1 0 0 0 0 GND SCL V+ 0 0 1 0 0 0 1 GND SDA GND 0 0 1 0 0 1 0 GND SDA V+ 0 0 1 0 0 1 1 V+ SCL GND 0 0 1 0 1 0 0 V+ SCL V+ 0 0 1 0 1 0 1 V+ SDA GND 0 0 1 0 1 1 0 V+ SDA V+ 0 0 1 0 1 1 1 GND SCL SCL 0 0 1 1 0 0 0 GND SCL SDA 0 0 1 1 0 0 1 GND SDA SCL 0 0 1 1 0 1 0 GND SDA SDA 0 0 1 1 0 1 1 V+ SCL SCL 0 0 1 1 1 0 0 V+ SCL SDA 0 0 1 1 1 0 1 V+ SDA SCL 0 0 1 1 1 1 0 V+ SDA SDA 0 0 1 1 1 1 1 GND GND GND 0 1 0 0 0 0 0 GND GND V+ 0 1 0 0 0 0 1 GND V+ GND 0 1 0 0 0 1 0 GND V+ V+ 0 1 0 0 0 1 1 V+ GND GND 0 1 0 0 1 0 0 V+ GND V+ 0 1 0 0 1 0 1 V+ V+ GND 0 1 0 0 1 1 0 V+ V+ V+ 0 1 0 0 1 1 1 GND GND SCL 0 1 0 1 0 0 0 GND GND SDA 0 1 0 1 0 0 1 GND V+ SCL 0 1 0 1 0 1 0 GND V+ SDA 0 1 0 1 0 1 1 V+ GND SCL 0 1 0 1 1 0 0 V+ GND SDA 0 1 0 1 1 0 1 V+ V+ SCL 0 1 0 1 1 1 0 V+ V+ SDA 0 1 0 1 1 1 1

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Reu***** Goda

June 28, 2020

The specs range is wide for a selection and the customer service is great.

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June 24, 2020

Great price. Worked well for my needs.

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June 16, 2020

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June 14, 2020

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June 5, 2020

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May 31, 2020

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May 23, 2020

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May 20, 2020

The helper is super handy, especially if you work with medium size PCB boards as it allows to hold the board steady in every position. It feels pretty sturdy and of good quality.

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MAX7315ATE+T

Certified Quality

Heisener's commitment to quality has shaped our processes for sourcing, testing, shipping, and every step in between. This foundation underlies each component we sell.

ISO9001:2015, ICAS, IAF, UKAS

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