Part Number
|
74HCT257 |
Manufacturer
|
nexperia |
Description
|
Quad 2-input multiplexer |
Published
|
Jul 24, 2019 |
Detailed Description
|
74HC257; 74HCT257
Quad 2-input multiplexer; 3-state
Rev. 8 — 9 February 2021
Product data sheet
1. General description...
|
Datasheet
|
74HCT257
|
Overview
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 • Latch-up performance exceeds 100 mA per JESD 78 Class II Level B • Complies with JEDEC standards:
• JESD8C (2.
7 V to 3.
6 V) • JESD7A (2.
0 V to 6.
0 V) • Non-inverting data path • 3-state outputs interface directly with system bus • Input levels: • F...
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