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hot 74VHC245MTC


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Part Number 74VHC245MTC
Manufacturer ON Semiconductor
Datasheet 74VHC245MTC Datasheet
Package 20-TSSOP (0.173", 4.40mm Width)
In Stock 431 piece(s)
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74VHC245MTC Specifications

ManufacturerON Semiconductor
CategoryIntegrated Circuits (ICs) - Logic - Buffers, Drivers, Receivers, Transceivers
Datasheet 74VHC245MTC Datasheet
Package20-TSSOP (0.173", 4.40mm Width)
Logic TypeTransceiver, Non-Inverting
Number of Elements1
Number of Bits per Element8
Output Type3-State
Current - Output High, Low8mA, 8mA
Voltage - Supply2 V ~ 5.5 V
Operating Temperature-40°C ~ 85°C (TA)
Mounting TypeSurface Mount
Package / Case20-TSSOP (0.173", 4.40mm Width)
Supplier Device Package20-TSSOP

74VHC245MTC Datasheet

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To learn more about ON Semiconductor, please visit our website at www.onsemi.com Please note: As part of the Fairchild Semiconductor integration, some of the Fairchild orderable part numbers will need to change in order to meet ON Semiconductor’s system requirements. Since the ON Semiconductor product management systems do not have the ability to manage part nomenclature that utilizes an underscore (_), the underscore (_) in the Fairchild part numbers will be changed to a dash (-). This document may contain device numbers with an underscore (_). Please check the ON Semiconductor website to verify the updated device numbers. The most current and up-to-date ordering information can be found at www.onsemi.com. Please email any questions regarding the system integration to Fairchild_questions@onsemi.com. Is Now Part of ON Semiconductor and the ON Semiconductor logo are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries in the United States and/or other countries. ON Semiconductor owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of ON Semiconductor’s product/patent coverage may be accessed at www.onsemi.com/site/pdf/Patent-Marking.pdf. ON Semiconductor reserves the right to make changes without further notice to any products herein. ON Semiconductor makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does ON Semiconductor assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. Buyer is responsible for its products and applications using ON Semiconductor products, including compliance with all laws, regulations and safety requirements or standards, regardless of any support or applications information provided by ON Semiconductor. “Typical” parameters which may be provided in ON Semiconductor data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. ON Semiconductor does not convey any license under its patent rights nor the rights of others. ON Semiconductor products are not designed, intended, or authorized for use as a critical component in life support systems or any FDA Class 3 medical devices or medical devices with a same or similar classification in a foreign jurisdiction or any devices intended for implantation in the human body. Should Buyer purchase or use ON Semiconductor products for any such unintended or unauthorized application, Buyer shall indemnify and hold ON Semiconductor and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that ON Semiconductor was negligent regarding the design or manufacture of the part. ON Semiconductor is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.

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© 2005 Fairchild Semiconductor Corporation DS011520 www.fairchildsemi.com November 1992 Revised April 2005 7 4 V H C 2 4 5 O c ta l B id ire c tio n a l T ra n s c e iv e r w ith 3 -S T A T E O u tp u ts 74VHC245 Octal Bidirectional Transceiver with 3-STATE Outputs General Description The VHC245 is an advanced high speed CMOS octal bus transceiver fabricated with silicon gate CMOS technology. It achieves high speed operation similar to equivalent Bipo- lar Schottky TTL while maintaining the CMOS low power dissipation. The VHC245 is intended for bidirectional asyn- chronous communication between data busses. The direc- tion of data transmission is determined by the level of the T/R input. The enable input can be used to disable the device so that the busses are effectively isolated. All inputs are equipped with protection circuits against static dis- charge. Features ■High Speed: tPD 4.0 ns (typ) at VCC 5V ■High Noise Immunity: VNIH VNIL 28% VCC (Min) ■Power Down Protection is provided on all inputs ■Low Noise: VOLP 0.9V (typ) ■Low Power Dissipation: ICC 4 PA (Max) @ TA 25qC ■Pin and Function Compatible with 74HC245 Ordering Code: Surface mount packages are also available on Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. Pb-Free package per JEDEC J-STD-020B. Logic Symbol IEEE/IEC Pin Description Connection Diagram Truth Table H HIGH Voltage Level L LOW Voltage Level X Immaterial Any unused bus terminals during HIGH-Z State must be held HIGH or LOW. Order Number Package Number Package Description 74VHC245M M20B 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide 74VHC245SJ M20D Pb-Free 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 74VHC245MTC MTC20 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide 74VHC245N N20A 20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide Pin Description Names OE Output Enable Input T/R Transmit/Receive Input A0–A7 Side A Inputs or 3-STATE Outputs B0–B7 Side B Inputs or 3-STATE Outputs Inputs Outputs OE T/R L L Bus B Data to Bus A L H Bus A Data to Bus B H X HIGH-Z State

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www.fairchildsemi.com 2 7 4 V H C 2 4 5 Absolute Maximum Ratings(Note 1) Recommended Operating Conditions (Note 2) Note 1: Absolute Maximum Ratings are values beyond which the device may be damaged or have its useful life impaired. The databook specifica- tions should be met, without exception, to ensure that the system design is reliable over its power supply, temperature, and output/input loading vari- ables. Fairchild does not recommend operation outside databook specifica- tions. Note 2: Unused inputs or I/O pins must be held HIGH or LOW. They may not float. DC Electrical Characteristics Supply Voltage (VCC) 0.5V to 7.0V DC Input Voltage (VIN) (T/R, OE) 0.5V to 7.0V DC Output Voltage (VOUT) 0.5V to VCC  0.5V Input Diode Current (IIK) (T/R, OE) 20 mA Output Diode Current (IOK) r20 mA DC Output Current (IOUT) r25 mA DC VCC/GND Current (ICC) r75 mA Storage Temperature (TSTG) 65qC to 150qC Lead Temperature (TL) (Soldering, 10 seconds) 260qC Supply Voltage (VCC) 2.0V to 5.5V Input Voltage (VIN)(T/R, OE) 0V to 5.5V Output Voltage (VOUT) 0V to VCC Operating Temperature (TOPR) 40qC to 85qC Input Rise and Fall Time (tr, tf) VCC 3.3V r 0.3V 0 a 100 ns/V VCC 5.0V r 0.5V 0 a 20 ns/V Symbol Parameter VCC TA 25qC TA 40qC to 85qC Units Conditions (V) Min Typ Max Min Max VIH HIGH Level 2.0 1.50 1.50 V Input Voltage 3.0  5.5 0.7 VCC 0.7 VCC VIL LOW Level 2.0 0.50 0.50 V Input Voltage 3.0  5.5 0.3 VCC 0.3 VCC VOH HIGH Level 2.0 1.9 2.0 1.9 VIN VIH IOH 50 PA Output Voltage 3.0 2.9 3.0 2.9 V or VIL 4.5 4.4 4.5 4.4 3.0 2.58 2.48 V IOH 4 mA 4.5 3.94 3.80 IOH 8 mA VOL LOW Level 2.0 0.0 0.1 0.1 VIN VIH IOL 50 PA Output Voltage 3.0 0.0 0.1 0.1 V or VIL 4.5 0.0 0.1 0.1 3.0 0.36 0.44 V IOL 4 mA 4.5 0.36 0.44 IOL 8 mA IOZ 3-STATE Output VIN VCC or GND Off-State Current 5.5 r0.25 r2.5 PA VOUT VCC or GND VIN OE VIH or VIL IIN Input Leakage 0  5.5 r0.1 r1.0 PA VIN 5.5V or GND (T/R, OE) Current ICC Quiescent Supply Current 5.5 4.0 40.0 PA VIN VCC or GND

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3 www.fairchildsemi.com 7 4 V H C 2 4 5 Noise Characteristics Note 3: Parameter guaranteed by design. AC Electrical Characteristics Note 4: Parameter guaranteed by design. tOSLH |tPLH max  tPLH min|; tOSHL |tPHL max  tPHL min| Note 5: CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption without load. Average operating current can be obtained by the equation: ICC (opr.) CPD * VCC * fIN  ICC/8 (per Bit). Symbol Parameter VCC TA 25qC Units Conditions (V) Typ Limits VOLP Quiet Output Maximum 5.0 0.9 1.2 V CL 50 pF (Note 3) Dynamic VOL VOLV Quiet Output Minimum 5.0 0.9 1.2 V CL 50 pF (Note 3) Dynamic VOL VIHD Minimum HIGH Level 5.0 3.5 V CL 50 pF (Note 3) Dynamic Input Voltage VILD Maximum LOW Level 5.0 1.5 V CL 50 pF (Note 3) Dynamic Input Voltage Symbol Parameter VCC TA 25qC TA 40qC to 85qC Units Conditions (V) Min Typ Max Min Max tPLH Propagation Delay 3.3 r 0.3 5.8 8.4 1.0 10.0 ns CL 15 pF tPHL Time 8.3 11.9 1.0 13.5 CL 50 pF 5.0 r 0.5 4.0 5.5 1.0 6.5 ns CL 15 pF 5.5 7.5 1.0 8.5 CL 50 pF tPZL 3-STATE Output 3.3 r 0.3 8.5 13.2 1.0 15.5 ns RL 1 k: CL 15 pF tPZH Enable Time 11.0 16.7 1.0 19.0 CL 50 pF 5.0 r 0.5 5.8 8.5 1.0 10.0 ns CL 15 pF 7.3 10.6 1.0 12.0 CL 50 pF tPLZ 3-STATE Output 3.3 r 0.3 11.5 15.8 1.0 18.0 ns RL 1 k: CL 50 pF tPHZ Disable Time 5.0 r 0.5 7.0 9.7 1.0 11.0 CL 50 pF tOSLH Output to Output 3.3 r 0.3 1.5 1.5 ns (Note 4) CL 50 pF tOSHL Skew 5.0 r 0.5 1.0 1.0 CL 50 pF CIN Input Capacitance 4 10 10 pF VCC Open (T/R, OE) CI/O Output Capacitance 8 pF VCC 5.0V CPD Power Dissipation 21 pF (Note 5) Capacitance

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www.fairchildsemi.com 4 7 4 V H C 2 4 5 Physical Dimensions inches (millimeters) unless otherwise noted 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide Package Number M20B

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5 www.fairchildsemi.com 7 4 V H C 2 4 5 Physical Dimensions inches (millimeters) unless otherwise noted (Continued) Pb-Free 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide Package Number M20D

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www.fairchildsemi.com 6 7 4 V H C 2 4 5 Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide Package Number MTC20

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7 www.fairchildsemi.com 7 4 V H C 2 4 5 O c ta l B id ire c tio n a l T ra n s c e iv e r w ith 3 -S T A T E O u tp u ts Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide Package Number N20A Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and Fairchild reserves the right at any time without notice to change said circuitry and specifications. LIFE SUPPORT POLICY FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be rea- sonably expected to result in a significant injury to the user. 2. A critical component in any component of a life support device or system whose failure to perform can be rea- sonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. www.fairchildsemi.com

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