74VHCT245A: Octal Buffer/Line Driver with 3-STATE Outputs

Datasheet: 74VHCT245A-D.pdf
Rev. A (351kB)
Product Overview
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The VHCT245A is an advanced high speed CMOS octal bus transceiver fabricated with silicon gate CMOS technology. It achieves high speed operation similar to equivalent Bipolar Schottky TTL while maintaining the CMOS low power dissipation. The VHCT245A is intended for bidirectional asynchronous communication between data busses. The direction 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. Protection circuits ensure that 0V to 7V can be applied to the input and output (Note 1) pins without regard to the supply voltage. These circuits prevent device destruction due to mismatched supply and input/output voltages. This device can be used to interface 5V to 3V systems and two supply systems such as battery back up.
Features
 
  • High Speed: tPD = 5.4 ns (typ) at VCC = 5V
  • Power Down Protection on Inputs and Outputs
  • Low Power Dissipation: ICC = 4 µA (Max) @ TA = 25°C
  • Pin and Function Compatible with 74HCT245
Applications
  • This product is general usage and suitable for many different applications.
Technical Documentation & Design Resources
Simulation Models (1) Package Drawings (2)
Data Sheets (1)  
Availability & Samples
Specifications
Product
Status
Compliance
Description
Package
MSL
Container
Budgetary Price/Unit
Type
Case Outline
Type
Temperature
Type
Qty.
74VHCT245AM Last Shipments
Pb-free
Halide free
74VHCT245A SOIC-20W 751BJ 1 260 Tube 1080  
74VHCT245AMTC Last Shipments
Pb-free
74VHCT245A TSSOP-20 948AQ 1 260 Tube 1825  
74VHCT245AMTCX Active
Pb-free
74VHCT245A TSSOP-20 948AQ 1 260 Tape and Reel 2500 $0.2599
74VHCT245AMX Last Shipments
Pb-free
Halide free
74VHCT245A SOIC-20W 751BJ 1 260 Tape and Reel 1000  
Market Leadtime (weeks) : Contact Factory
Market Leadtime (weeks) : Contact Factory
Avnet   (2020-08-19 00:00) : >1K
Market Leadtime (weeks) : 8 to 12
Avnet   (2020-08-19 00:00) : >1K
Market Leadtime (weeks) : Contact Factory

Product
Description
Pricing ($/Unit)
Compliance
Status
Type
Channels
VCC Min (V)
VCC Max (V)
tpd Max (ns)
IO Max (mA)
Package Type
74VHCT245AMTCX  
 $0.2599 
Pb
 Active   
Buffer
8
4.5
5.5
5.4
8
TSSOP-20
Case Outlines
751BJ    948AQ   
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