This document introduces an octal transceiver named 74F657, which has the function of an 8-bit parity generator/checker. It combines the functions of 74F245 and 74F280A, and is suitable for applications that require high output drive and light bus loading.
The document is a product specification sheet for the Philips 74F657 integrated circuit. This device combines the functions of a 74F245 octal bus transceiver and a 74F280A parity generator/checker into a single package, designed for high-speed data transfer applications.
| Package Type | 24-pin plastic slim DIP (800mil) |
|---|---|
| Supply Voltage | 5V 10% |
| Operating Temperature (Commercial) | 0°C to +70°C |
| Operating Temperature (Industrial) | -40°C to +85°C |
| Output Sink Current (A Ports) | 24mA |
| Output Source Current (B Ports) | 15mA |
The absolute maximum rating for the supply voltage is +7.0 V.