74F  -  Series DataSheet
I74F656AD-623  -  Octal buffer/driver with parity, non-inverting (3-State)  -  NXP Semiconductors(PHILIPS)  -  Buffers

FEATURES
• Significantly improved AC performance over 74F656
• High impedance NPN base input for reduced loading (40mA in High and Low states)
• Ideal in applications where high output drive and light bus loading are required (IIL is 40mA vs. FAST std of 600mA)
• 74F656A combines 74F244 and 74F280A functions in one package
• 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 board layout
• Combined functions reduce part count and enhance system performance
• Industrial temperature range available (–40°C to +85°C)

DESCRIPTION
The 74F656A is an octal buffer and line driver 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.