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Part Number AT27LV020A-15JC
Manufacturer Microchip Technology
Description IC OTP 2MBIT 150NS 32PLCC
Datasheet AT27LV020A-15JC Datasheet
Package 32-LCC (J-Lead)
In Stock 3,734 piece(s)
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Part Number # AT27LV020A-15JC (Memory) is manufactured by Microchip Technology 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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AT27LV020A-15JC Specifications

ManufacturerMicrochip Technology
CategoryIntegrated Circuits (ICs) - Memory
Datasheet AT27LV020A-15JCDatasheet
Package32-LCC (J-Lead)
Memory TypeNon-Volatile
Memory FormatEPROM
TechnologyEPROM - OTP
Memory Size2Mb (256K x 8)
Memory InterfaceParallel
Clock Frequency-
Write Cycle Time - Word, Page-
Access Time150ns
Voltage - Supply3 V ~ 3.6 V, 4.5 V ~ 5.5 V
Operating Temperature0°C ~ 70°C (TC)
Mounting TypeSurface Mount
Package / Case32-LCC (J-Lead)
Supplier Device Package32-PLCC

AT27LV020A-15JC Datasheet

Page 1

Page 2

2-Megabit (256K x 8) Low Voltage OTP EPROM AT27LV020AFeatures • Fast Read Access Time - 90 ns • Dual Voltage Range Operation – Low Voltage Power Supply Range, 3.0V to 3.6V – or Standard 5V ± 10% Supply Range • Compatible with JEDEC Standard AT27C020 • Low Power CMOS Operation – 20 µA max. (less than 1 µA typical) Standby for VCC = 3.6V – 29 mW max. Active at 5 MHz for VCC = 3.6V • JEDEC Standard Packages – 32-lead PLCC – 32-lead TSOP (8 x 20 mm) – 32-lead VSOP (8 x 14 mm) • High Reliability CMOS Technology – 2,000V ESD Protection – 200 mA Latchup Immunity • Rapid™ Programming Algorithm - 100 µs/byte (typical) • Two-line Control • CMOS and TTL Compatible Inputs and Outputs – JEDEC Standard for LVTTL • Integrated Product Identification Code • Commercial and Industrial Temperature Ranges Description The AT27LV020A is a high performance, low power, low voltage 2,097,152 bit one- time programmable read only memory (OTP EPROM) organized as 256K by 8 bits. It requires only one supply in the range of 3.0 to 3.6V in normal read mode operation, making it ideal for fast, portable systems using battery power. (continued)1 Rev. 0549E–04/01 Pin Configurations Pin Name Function A0 - A17 Addresses O0 - O7 Outputs CE Chip Enable OE Output Enable PGM Program Strobe NC No Connect PLCC, Top View 5 6 7 8 9 10 11 12 13 29 28 27 26 25 24 23 22 21 A7 A6 A5 A4 A3 A2 A1 A0 O0 A14 A13 A8 A9 A11 OE A10 CE O7 4 3 2 1 3 2 3 1 3 0 1 4 1 5 1 6 1 7 1 8 1 9 2 0 O 1 O 2 G N D O 3 O 4 O 5 O 6 A 1 2 A 1 5 A 1 6 V P P V C C P G M A 1 7 TSOP/VSOP Top View Type 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 A11 A9 A8 A13 A14 A17 PGM VCC VPP A16 A15 A12 A7 A6 A5 A4 OE A10 CE O7 O6 O5 O4 O3 GND 02 01 O0 A0 A1 A2 A3

Page 3

Atmel’s innovative design techniques provide fast speeds that rival 5V parts while keeping the low power consump- tion of a 3V supply. At VCC = 3.0V, any byte can be accessed in less than 90 ns. With a typical power dissipa- t ion of only 18 mW at 5 MHz and VCC = 3.3V, the AT27LV020A consumes less than one fifth the power of a standard 5V EPROM. Standby mode supply current is typi- cally less than 1 µA at 3.3V. The AT27LV020A is available in industry standard JEDEC approved one-time programmable (OTP) plastic PLCC, TSOP, and VSOP. All devices feature two-line control (CE, OE) to give designers the flexibil i ty to prevent bus contention. The AT27LV020A operating with VCC at 3.0V produces TTL level outputs that are compatible with standard TTL logic devices operating at VCC = 5.0V. The device is also capa- ble of standard 5-volt operation making it ideally suited for dual supply range systems or card products that are plug- gable in both 3-volt and 5-volt hosts. Atmel's AT27LV020A has additional features to ensure high quality and efficient production use. The Rapid™Pro- gramming Algorithm reduces the time required to program the part and guarantees reliable programming. Program- ming time is typically only 100 µs/byte. The Integrated Product Identification Code electronically identifies the device and manufacturer. This feature is used by industry standard programming equipment to select the proper pro- gramming algorithms and voltages. The AT27LV020A pro- grams exactly the same way as a standard 5V AT27C020 and uses the same programming equipment. System Considerations Switching between active and standby conditions via the Chip Enable pin may produce transient voltage excursions. Unless accommodated by the system design, these tran- sients may exceed data sheet limits, resulting in device non-conformance. At a minimum, a 0.1 µF high frequency, low inherent inductance, ceramic capacitor should be uti- lized for each device. This capacitor should be connected between the VCC and Ground terminals of the device, as close to the device as possible. Additionally, to stabilize the supply voltage level on printed circuit boards with large EPROM arrays, a 4.7 µF bulk electrolytic capacitor should be utilized, again connected between the VCC and Ground terminals. This capacitor should be positioned as close as possible to the point where the power supply is connected to the array. Block DiagramAT27LV020A2

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AT27LV020ANote: 1. Minimum voltage is -0.6V DC which may undershoot to -2.0V for pulses of less than 20 ns. Maximum output pin voltage is VCC + 0.75V DC which may be exceeded if certain precautions are observed (consult application notes) and which may overshoot to +7.0V for pulses of less than 20 ns. Notes: 1. X can be VIL or VIH. 2. Read, output disable, and standby modes require, 3.0V ≤ VCC ≤=3.6V, or 4.5V ≤ VCC ≤ 5.5V. 3. Refer to Programming Characteristics. Programming modes require VCC = 6.5V. 4. VH = 12.0 ± 0.5V. 5. Two identifier bytes may be selected. All Ai inputs are held low (VIL), except A9 which is set to VH and A0 which is toggled low (VIL) to select the Manufacturer’s Identification byte and high (VIH) to select the Device Code byte. Absolute Maximum Ratings* Temperature Under Bias.................................. -40°C to +85°C *NOTICE: Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent dam- age to the device. This is a stress rating only and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Storage Temperature ..................................... -65°C to +125°C Voltage on any Pin with with Respect to Ground ..................................-2.0V to +7.0V(1) Voltage on A9 with Respect to Ground .......................................-2.0V to +14.0V(1) VPP Supply Voltage with Respect to Ground .......................................-2.0V to +14.0V(1) Operating Modes Mode/Pin CE OE PGM Ai VPP VCC Outputs Read(2) VIL VIL X (1) Ai X VCC (2) DOUT Output Disable(2) X VIH X X X VCC (2) High Z Standby(2) VIH X X X X VCC (2) High Z Rapid Program(3) VIL VIH VIL Ai VPP VCC (3) DIN PGM Verify(3) VIL VIL VIH Ai VPP VCC (3) DOUT PGM Inhibit(3) VIH X X X VPP VCC (3) High Z Product Identification(3)(5) VIL VIL X A9 = VH (4) A0 = VIH or VIL A1 - A17 = VIL X VCC (3) Identification Code3

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Notes: 1. VCC must be applied simultaneously with or before VPP, and removed simultaneously with or after VPP. 2. VPP may be connected directly to VCC, except during programming. The supply current would then be the sun of ICC and IPP. DC and AC Operating Conditions for Read Operation AT27LV020A-90 AT27LV020A-12 AT27LV020A-15 Operating Temperature (Case) Com. 0°C - 70°C 0°C - 70°C 0°C - 70°C Ind. -40°C - 85°C -40°C - 85°C -40°C - 85°C VCC Power Supply 3.0V to 3.6V 3.0V to 3.6V 3.0V to 3.6V 5V ± 10% 5V ± 10% 5V ± 10% DC and Operating Characteristics for Read Operation Symbol Parameter Condition Min Max Units VCC = 3.0V to 3.6V ILI Input Load Current VIN = 0V to VCC ±1 µA ILO Output Leakage Current VOUT = 0V to VCC ±5 µA IPP1 (2) Read/Standby Current(1) VPP = VCC 10 µA ISB VCC Standby Current (1) ISB1 (CMOS), CE = VCC=± 0.3V 20 µA ISB2 (TTL), CE = 2.0 to VCC + 0.5V 100 µA ICC VCC Active Current f = 5 MHz, IOUT = 0 mA, CE = VIL 8 mA VIL Input Low Voltage -0.6 0.8 V VIH Input High Voltage 2.0 VCC + 0.5 V VOL Output Low Voltage IOL = 2.0 mA 0.4 V VOH Output High Voltage IOH = -2.0=mA 2.4 V VCC = 4.5V to 5.5V ILI Input Load Current VIN = 0V to VCC ±1 µA ILO Output Leakage Current VOUT = 0V to VCC ±5 µA IPP1 (2) Read/Standby Current(1) VPP = VCC 10 µA ISB VCC Standby Current (1) ISB1 (CMOS), CE = VCC ± 0.3V 100 µA ISB2 (TTL), CE = 2.0 to VCC + 0.5V 1 mA ICC VCC Active Current f = 5 MHz, IOUT = 0 mA, CE = VIL 25 mA VIL Input Low Voltage -0.6 0.8 V VIH Input High Voltage 2.0 VCC + 0.5 V VOL Output Low Voltage IOL = 2.1 mA 0.4 V VOH Output High Voltage IOH = -400 µA 2.4 VAT27LV020A4

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AT27LV020AAC Waveforms for Read Operation Notes: 1. Timing measurement references are 0.8V and 2.0V. Input AC drive levels are 0.45V and 2.4V, unless otherwise specified. 2. OE may be delayed up to tCE - tOE after the falling edge of CE without impact on tCE. 3. OE may be delayed up to tACC - tOE after the address is valid without impact on tACC. 4. This parameter is only sampled and is not 100% tested. 5. Output float is defined as the point when data is no longer driven. AC Characteristics for Read Operation VCC = 3.0V to 3.6V and 4.5V to 5.5V Symbol Parameter Condition AT27LV020A Units -90 -12 -15 Min Max Min Max Min Max tACC (3) Address to Output Delay CE = OE = VIL 90 120 150 ns tCE (2) CE to Output Delay OE = VIL 90 120 150 ns tOE (2)(3) OE to Output Delay CE = VIL 50 50 60 ns tDF (4)(5) OE or CE High to Output Float, whichever occurred first 40 40 50 ns tOH Output Hold from Address, CE or OE, whichever occurred first 0 0 0 ns5

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Input Test Waveform and Measurement Level tR, tF < 20 ns (1% to 90%) Output Test Load Note: CL = 1 pF including jig capacitance. Note: 1. Typical values for nominal supply voltage. This parameter is only sampled and is not 100% tested. Pin Capacitance f = 1 MHz, T = 25°C(1) Symbol Typ Max Units Conditions CIN 4 8 pF VIN = 0V COUT 8 12 pF VOUT = 0VAT27LV020A6

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AT27LV020AProgramming Waveforms(1) Notes: 1. The Input Timing Reference is 0.8V for VIL and 2.0V for VIH. 2. tOE and tDFP are characteristics of the device but must be accommodated by the programmer. 3. When programming the AT27LV020A a 0.1 µF capacitor is required across VPP and ground to suppress spurious voltage transients. DC Programming Characteristics TA = 25 ± 5°C, VCC = 6.5 ± 0.25V, VPP = 13.0 ± 0.25V Symbol Parameter Test Conditions Limits UnitsMin Max ILI Input Load Current VIN = VIL, VIH ±10 µA VIL Input Low Level -0.6 0.8 V VIH Input High Level 2.0 VCC + 0.5 V VOL Output Low Voltage IOL = 2.1 mA 0.4 V VOH Output High Voltage IOH = -400=µA 2.4 V ICC2 VCC Supply Current (Program and Verify) 40 mA IPP2 VPP Supply Current CE = PGM = VIL 20 mA VID A9 Product Identification Voltage 11.5 12.5 V7

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Notes: 1. VCC must be applied simultaneously or before VPP and removed simultaneously or after VPP. 2. This parameter is only sampled and is not 100% tested. Output Float is defined as the point where data is no longer driven —see timing diagram. 3. Program Pulse width tolerance is 100 µsec=±=5%. Note: 1. The AT27LV020A has the same Product Identification Code as the AT27C020. Both are programming compatible. AC Programming Characteristics TA = 25 ± 5°C, VCC = 6.5 ± 0.25V, VPP = 13.0 ± 0.25V Symbol Parameter Test Conditions(1) Limits UnitsMin Max tAS Address Setup Time Input Rise and Fall Times (10% to 90%) 20 ns Input Pulse Levels 0.45V to 2.4V Input Timing Reference Level 0.8V to 2.0V Output Timing Reference Level 0.8V to 2.0V 2 µs tCES CE Setup Time 2 µs tOES OE Setup Time 2 µs tDS Data Setup Time 2 µs tAH Address Hold Time 0 µs tDH Data Hold Time 2 µs tDFP OE High to Output Float Delay (3) 0 130 ns tVPS VPP Setup Time 2 µs tVCS VCC Setup Time 2 µs tPW PGM Program Pulse Width (2) 95 105 µs tOE Data Valid from OE 150 ns tPRT VPP Pulse Rise Time During Programming 50 ns Atmel’s 27LV020A Integrated Product Identification Code(1) Codes Pins Hex DataA0 O7 O6 O5 O4 O3 O2 O1 O0 Manufacturer 0 0 0 0 1 1 1 1 0 1E Device Type 1 1 0 0 0 0 1 1 0 86AT27LV020A8

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AT27LV020ARapid Programming Algorithm A 100 µs PGM pulse width is used to program. The address is set to the first location. VCC is raised to 6.5V and VPP is raised to 13.0V. Each address is first programmed with one 100 µs PGM pulse without verification. Then a verification/reprogramming loop is executed for each address. In the event a byte fails to pass verification, up to 10 successive 100 µs pulses are applied with a verification after each pulse. If the byte fails to verify after 10 pulses have been applied, the part is considered failed. After the byte verifies properly, the next address is selected until all have been checked. VPP is then lowered to 5.0V and VCC to 5.0V. All bytes are read again and compared with the origi- nal data to determine if the device passes or fails.9

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