74F456

www.DataSheet4U.com INTEGRATED CIRCUITS 74F455*, 74F456 Buffers/drivers * Discontinued part. Please see the Discontinued Product List. Product specification Supersedes data of 1990 Nov 26 IC15 Data Handbook 1999 Jan 08 Philips Semiconductors Philips Semiconductors Product specification Buffers/Drivers 74F455 Octal Buffer/Driver with Parity, Inverting (3-State) 74F456 Octal Buffer/Driver with Parity, Non-Inverting (3-State) FEATURES 74F455,* 74F456 High impedance NPN base inputs for reduced loading (40µA in High and Low states) DESCRIPTION The 74F455 and 74F456 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 7.5ns 74F456 combines 74F244 and 74F280A functions in one package 74F456 is a center pin version of the 74F656A 74F456 Non-Inverting 3-State outputs sink 64mA and source 15mA 24-pin plastic Slim DIP (300 mil) package Broadside pinout simplifies PC board layout TYPE 74F455 74F456 TYPICAL SUPPLY CURRENT (TOTAL) 64mA 64mA ORDERING INFORMATION DESCRIPTION COMMERCIAL RANGE VCC = 5V ±10%, Tamb = 0°C to +70°C N74456N N74456D PKG DWG # 24-pin plastic Slim DIP (300mil) 24-pin plastic SOL SOT222-1 SOT137-1 INPUT AND OUTPUT LOADING AND FAN-OUT TABLE PINS D0–D7 PI OE0, OE1 ΣE, ΣO Q0–Q7 Data inputs Parity input Output Enable in...