Package of 5!

New old stock (NOS), unused, genuine part: National 74F657SPC Octal Bidirectional Transceiver with 8-Bit Parity Generator/Checker and TRI-STATE Outputs, PDIP-24

Manufacturer: National Semiconductor
Manufacturer Part Number: 74F657SPC
74 Series Part: 74F657
Product Category: Logic ICs, Bus Transceivers
Function: BusTransceiver with Parity Checker
Logic Family: F
Number of Circuits: 1
Number of Channels: 8
Output Type: 3-State
Supply Voltage - Min: 4.5 V
Supply Voltage - Max: 5.5 V
Package / Case: PDIP-24, Plastic (0.300” slimline DIP)
RoHS: NO
Packaging: Anti-Static

Features
■ 300 Mil 24-pin slimline DIP
■ Combines 74F245 and 74F280A functions in one package
■ TRI-STATE outputs
■ B Outputs sink 64 mA (48 mA mil)
■ 12 mA source current, B side
■ Input diodes for termination effects

General Description
The 74F657 contains eight non-inverting buffers with TRI-STATEÉ outputs and an 8-bit parity generator/checker. It is intended for bus-oriented applications. The buffers have a guaranteed current sinking capability of 24 mA (20 mA mil) at the A port and 64 mA (48 mA mil) at the B port.

Note: Date code may differ from picture. Part Number and Manufacturer are identical to what is shown.