74HCT257DB Datasheet PDF

74HC257; 74HCT257 Quad 2-input multiplexer; 3-state Rev. 8 — 9 February 2021 Product data sheet 1. General description The 74HC257; 74HCT257 is a quad 2-input multiplexer with 3-state outputs. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC. 2. Features and benefits • Wide supply voltage range from 2.0 V to 6.0 V • CMOS low power dissipation • High noise immunity .

74HC257; 74HCT257 Quad 2-input multiplexer; 3-state Rev. 8 — 9 February 2021 Product data sheet 1. General description The 74HC257; 74HCT257 is a quad 2-input multiplexer with 3-state outputs. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC. 2. Features and benefits • Wide supply voltage range from 2.0 V to 6.0 V • CMOS low power dissipation • High noise immunity .