Fairchild MM74C901 MM74C902 Data Handbook
Summary
The MM74C901 and MM74C902 are high-performance hex buffers designed for robust signal interfacing between CMOS and TTL logic levels. These components provide reliable, bidirectional signal buffering across a wide supply voltage range (3.0V to 15V). The product manual offers comprehensive technical resources, including detailed electrical characteristics, propagation delay times, low power consumption data, and multiple package options. This series is essential for electronics engineers and designers who require dependable buffer circuits for complex mixed-logic digital systems.
Page 1 Text Content
查询MM74C901供应商
74C 901 • M 74C 902 H ex Invertin ffer • H ex N -Invertin ffer
October 1987 Revised January 1999
MM74C901 • MM74C902 Hex Inverting TTL Buffer • Hex Non-Inverting TTL Buffer General Description Features The MM74C901 and MM74C902 hex buffers employ com- Wide supply voltage range: 3.0V to 15V plementary MOS to achieve wide supply operating range, Guaranteed noise margin: 1.0V low power consumption, and high noise immunity. These
High noise immunity: 0.45 VCC (typ.)
buffers provide direct interface from PMOS into CMOS or
TTL and direct interface from CMOS to TTL or CMOS TTL compatibility: Fan out of 2 driving standard TTL
operating at a reduced VCC supply.
Ordering Code: Order Number Package Number Package Description MM74C901M M14A 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-120, 0.150” Narrow MM74C901N N14A 14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-011, 0.300” Wide MM74C902M M14A 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-120, 0.150” Narrow MM74C902N N14A 14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-011, 0.300” Wide Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagrams
Pin Assignments for DIP and SOIC
MM74C901 MM74C902
Top View Top View
Logic Diagrams
MM74C901 MM74C902
CMOS to TTL Inverting Buffer CMOS to TTL Buffer
© 1999 Fairchild Semiconductor Corporation DS005909.prf www.fairchildsemi.com
Page Summary Contents For Fairchild MM74C901 MM74C902 Data Handbook
Manual Details
| Brand | Fairchild |
|---|---|
| Pages | 6 |
| File Size | 70.15 KB |
| Published | July 06, 2026 |
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Frequently Asked Questions
What supply voltage range can these hex buffers operate with?
The devices support a wide operating voltage range of 3.0V to 15V.
Which signal interfaces are compatible with MM74C901/MM74C902?
They facilitate CMOS to TTL, TTL to CMOS, and CMOS to CMOS interfacing.
What physical packages are available for ordering these chips?
Devices are available in SOIC (M14A) or PDIP (N14A) package types, as well as Tape and Reel.
Are these components suitable for life support applications?
No; Fairchild products require express written approval to be used as critical components in Life Support Devices.