74VHCT245A is an Octal Bus Transceiver produced by Infineon. It features high speed and low power consumption, with a working voltage range of 4.5V to 5.5V and an output impedance of 8mA.
The 74VHCT245A is an advanced high-speed CMOS octal bus transceiver (3-state) fabricated with sub-micron silicon gate and double-layer metal wiring CMOS technology. It is intended for two-way asynchronous communication between data busses, with the direction of data transmission determined by the DIR input. The device includes power down protection on inputs and outputs, symmetrical output impedance, and balanced propagation delays.
The document provides comprehensive technical specifications including absolute maximum ratings, recommended operating conditions, DC and AC electrical characteristics, and capacitive characteristics. It also details mechanical data for various package types, including SOP, TSSOP, and Tape & Reel formats.
| Propagation Delay Time (Typical) | 4.5 ns |
|---|---|
| Quiescent Supply Current (Max) | 4 µA |
| Operating Voltage Range | 4.5V to 5.5V |
| High Level Input Voltage (Min) | 2V |
Yes, it is compatible with TTL outputs with a minimum high-level input voltage of 2V and a maximum low-level input voltage of 0.8V.
The typical propagation delay time is 4.5 ns at VCC = 5V.
Yes, all inputs and outputs are equipped with protection circuits against static discharge, giving them 2KV ESD immunity.