74HC258 PDF Datasheet


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Description

This is Quad 2-input multiplexer 3-state inverting. INTEGRATED CIRCUITS DATA SHEET 74HC, HCT258 Quad 2-input multiplexer; 3-state; inverting Product speci cation File under Integrated Circuits, IC06 1999 Sep 02 Philips Semiconductors Product speci cation Quad 2-input multiplexer; 3-state; inverting FEATURES Inverting data path 3-state outputs interface directly with system bus Output capability: bus driver ICC category: MSI. GENERAL DESCRIPTION The 74HC, HCT258 are high-speed Si-gate CMOS devices and are pin compatible with Low power Schottky TTL (LSTTL). They are specified in compliance with JEDEC standard no. 7A. The 74HC, HCT258 have four identical 2-input multiplexers with 3-state outputs, which select 4 bits of data from two sources and are controlled by a common data select input (S). The data inputs from source 0 (1I0 to 4I0) are selected when input S is LOW and the data inputs from source 1 (1I1 to 4I1) are selected when S is HIGH. QUICK REFERENCE DATA GND = 0 V; Tamb = 25 °C; tr = tf = 6 ns. 1Y = OE × ( 1I 1 × S + .