Details, datasheet, quote on part number: 74F655A
CategoryLogic => Buffers/Inverters => 3-State
DescriptionOctal Buffer/driver With Parity, Non-inverting 3-state
CompanyPhilips Semiconductors (Acquired by NXP)
DatasheetDownload 74F655A datasheet


Features, Applications

74F655A* Octal buffer/driver with parity, inverting (3-State) 74F656A Octal buffer/driver with parity, non-inverting (3-State)

* Discontinued part. Please see the Discontinued Product List.

74F655A Octal buffer/driver with parity, inverting (3-State) 74F656A Octal buffer/driver with parity, non-inverting (3-State)


Significantly improved AC performance over 74F655 and 74F656 High impedance NPN base input for reduced loading


The 74F655A and 74F656A are octal buffers and line drivers with parity generation/checking designed to be employed as memory address drivers, clock drivers and bus-oriented transmitters/receivers. These parts include parity generator/checker to improve PC board density. TYPICAL PROPAGATION DELAY 6.5ns

Ideal in applications where high output drive and light bus loading 74F655A combines 74F240 and 74F280A functions in one

74F655A Inverting 74F656A Non-inverting 3-State outputs sink 64mA and source 15mA 24-pin plastic Slim DIP (300mil) package Inputs on one side and outputs on the other side simplifies PC

Combined functions reduce part count and enhance system

DESCRIPTION 24-pin Plastic Slim DIP (300mil) 24-pin Plastic SOL COMMERCIAL RANGE VCC 5V 10%, Tamb N74F656AN N74F656AD INDUSTRIAL RANGE VCC 5V 10%, Tamb I74F656AN I74F656AD PKG DWG SOT222-1 SOT137-1

PINS O Q0Q7 Data inputs Parity input Output Enable Inputs (active Low) Parity outputs Data outputs (74F655A) Data outputs (74F656A) DESCRIPTION 74F(U.L.) HIGH/LOW LOAD VALUE HIGH/LOW 20A/20A 15mA/64mA

NOTE: One (1.0) FAST Unit Load (U.L.) is defined as: 20A in the High state and 0.6mA in the Low state.

* Discontinued part. Please see the Discontinued Products List. 1991 Jul 17

* Discontinued part. Please see the Discontinued Products List.


Some Part number from the same manufacture Philips Semiconductors (Acquired by NXP)
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