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• 3-State Versions of SN54F151B and
SN74F151B
• 3-State Outputs Interface Directly With
System Bus
• Performs Parallel-to-Serial Conversion • Complementary Outputs Provide True and
Inverted Data
• Package Options Include Plastic
Small-Outline Packages, Ceramic Chip
Carriers, and Standard Plastic and Ceramic
300-mil DIPs
SN54F251B, SN74F251B 1ĆOFĆ8 DATA SELECTORS/MULTIPLEXERS
WITH 3ĆSTATE OUTPUTS
SDFS066A − MARCH 1987 − REVISED OCTOBER 1993
SN54F251B . . . J PACKAGE SN74F251B . . . D OR N PACKAGE
(TOP VIEW)
D3 1 D2 2 D1 3 D0 4
Y5 W6 G7 GND 8
16 VCC 15 D4 14 D5 13 D6 12 D7 11 A 10 B 9C
description
These data selectors/multiplexers contain full binary decoding to select one of eight data sources and feature strobe-controlled complementary outputs.