Fairchild DM74157 Quad 2-Line to 1-Line Data Selectors Multiplexer Data Manual
Summary
This quad data selector multiplexer (DM74157) is a fundamental integrated circuit used in digital electronics to actively select and route signals from two input lines to one common output bus. Developers utilize this component to simplify complex data routing functions in system designs. The accompanying technical documentation provides comprehensive engineering resources, detailing electrical characteristics, timing diagrams, operating conditions, and functional parameters crucial for hardware designers and electronics engineers developing robust control circuits.
Page 1 Text Content
查询DM74157供应商
74157 Q ad 2-L in e to 1-L in e D ata S electo rs/M ltip lexer
August 1986 Revised February 2000
DM74157 Quad 2-Line to 1-Line Data Selectors/Multiplexer General Description Applications These data selectors/multiplexers contain inverters and Expand any data input point drivers to supply full on-chip data selection to the four out-
Multiplex dual data buses
put gates. A separate strobe input is provided. A 4-bit word
Generate four functions of two variables (one variable is
is selected from one of two sources and is routed to the
common)
four outputs.
Source programmable counters
Features Buffered inputs and outputs Typical propagation time 9 ns Typical power dissipation 150 m W
Ordering Code: Order Number Package Number Package Description DM74157N N16E 16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Connection Diagram Logic Diagram
Function Table
Inputs
Output Y
Strobe Select
H = HIGH Level, L = LOW Level, X = Don’t Care
© 2000 Fairchild Semiconductor Corporation DS006550 www.fairchildsemi.com
Page Summary Contents For Fairchild DM74157 Quad 2-Line to 1-Line Data Selectors Multiplexer Data Manual
Manual Details
| Brand | Fairchild |
|---|---|
| Pages | 3 |
| File Size | 39.75 KB |
| Published | June 02, 2026 |
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Frequently Asked Questions
What are the recommended operating conditions for this device?
The recommended free air operating temperature range is 0°C to +70°C, and the supply voltage should be between 4.75V V_min and 5.25V V_max.
Can these products be used in life support devices or systems?
No. The products are not authorized for use as critical components in life support devices without explicit written approval from Fairchild Semiconductor Corporation.
What physical package type is this multiplexer provided in?
It is supplied in a 16-Lead Plastic Dual-In-Line Package (PDIP), adhering to the JEDEC MS-001, 0.300 Wide standard.