Fairchild MM74C157 Quad 2-Input Multiplexers Data Sheet
Summary
This industry-standard Quad 2-Input Multiplexer is a reliable, low-power CMOS integrated circuit designed for precise signal selection in digital electronics. Operating efficiently within a broad 3V to 15V supply range, it features four independent multiplexers with common enable and select controls. The accompanying manual serves as a comprehensive technical resource, detailing full electrical characteristics (DC/AC), noise immunity levels, pin assignments, truth tables, and operational limits. It is essential documentation for electronics engineers and circuit designers requiring high-performance signal routing and controlled multiplexing applications.
Page 1 Text Content
查询MM74C157供应商
74C 157 Q ad 2-In t M ltip lexers
October 1987 Revised January 1999
MM74C157 Quad 2-Input Multiplexers
“0”. Select decoding is done internally resulting in a single
General Description
select input only.
The MM74C157 multiplexers are monolithic complemen- tary MOS (CMOS) integrated circuits constructed with N-
Features
and P-channel enhancement transistors. They consist of
four 2-input multiplexers with common select and enable Supply voltage range: 3V to 15V
inputs. When the enable input is at logical “0” the four out- High noise immunity: 0.45 VCC (typ.) puts assume the values as selected from the inputs. When
Low power: 50 n W (typ.)
the enable input is at logical “1”, the outputs assume logical
Tenth power TTL compatible: Drive 2 LPTTL loads
Ordering Code: Order Number Package Number Package Description MM74C157N N16E 16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide
Connection Diagram Logic Diagram
Pin Assignments for DIP
Top View
Truth Table
Enable Select Output Y
© 1999 Fairchild Semiconductor Corporation DS005894.prf www.fairchildsemi.com
Page Summary Contents For Fairchild MM74C157 Quad 2-Input Multiplexers Data Sheet
Manual Details
| Brand | Fairchild |
|---|---|
| Pages | 4 |
| File Size | 40.69 KB |
| Published | July 22, 2026 |
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Frequently Asked Questions
What is the operational voltage range for this multiplexer?
The supply voltage can operate from 3V to 15V.
What are the output drive capabilities of the MM74C157?
It can drive up to two LPTTL loads and has specified source/sink current ratings (e.g., -8.0 mA sink at 10V).
Does this component have low power consumption characteristics?
Yes, it features low power consumption of approximately 50 nW (typ.) when the enable input is high.
What is the maximum operating temperature range?
The device supports an operating temperature range of –40°C to +85°C.