Low

CD74HC257M - 

Multiplexer, 3-State Outputs, HC Family, 4 Channels, 2:1, 2 V to 6 V, SOIC-16

TEXAS INSTRUMENTS CD74HC257M

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Manufacturer Part No:
CD74HC257M
Order Code:
1740158
Technical Datasheet:
(EN)
See all Technical Docs

Product Information

:
74HC
:
-55°C
:
Multiplexer
:
125°C
:
16Pins
:
SOIC
:
4Channels
:
74257
:
-
:
-
:
2:1
:
2V
:
74HC257
:
Each
:
6V
:
MSL 1 - Unlimited
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Product Overview

The CD74HC257M is a 2-input high speed CMOS Quad Multiplexer with non-inverting 3-state outputs. It selects four bits of data from two sources under the control of a common Select Input (S). The output enable input OE\ is active low. When OE\ is high, all of the outputs (1Y-4Y) are in the high impedance state regardless of all other input conditions. Moving data from two groups of registers to four common output buses is a common use of the 257. The state of the Select input determines the particular register from which the data comes. It can also be used as a function generator.
  • Buffered inputs
  • Balanced propagation delay and transition times
  • Significant power reduction compared to LSTTL logic ICs
  • high noise immunity
  • Direct LSTTL input logic compatibility
  • CMOS Input compatibility
  • 10 LSTTL Loads standard outputs
  • 15 LSTTL Loads bus driver outputs
  • Green product and no Sb/Br

Applications

Industrial, Communications & Networking

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