National Semiconductor MM54C914 MM74C914 Hex Schmitt Trigger with Extended Input Voltage
Summary
This robust CMOS Hex Schmitt Trigger is designed for signal conditioning in demanding environments. It features extended input protection up to 25V and operates reliably across a wide voltage range (3V-15V), making it ideal for circuits requiring high noise immunity or level shifting capabilities. The comprehensive datasheet provides detailed electrical characteristics, including guaranteed hysteresis and propagation delays, enabling hardware engineers and circuit designers to implement stable, reliable digital switching components in variable power systems.
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MM54C914/MM74C914 Hex Schmitt Trigger with Extended Input Voltage General Description Features
The MM54C914/MM74C914 is monolithic CMOS Hex Hysteresis 0.45 VCC (typ.)
Schmitt trigger with special input protection scheme. This 0.2 VCC guaranteed
scheme allows the input voltage levels to exceed VCC or Special input protection Extended Input ground by at least 10V (VCC 25V to GND 25V), and is Voltage Range valuable for applications involving voltage level shifting or Wide supply voltage range 3V to 15V mismatched power supplies. High noise immunity 0.7 VCC (typ.) The positive and negative-going threshold voltages, VTa Low power TTL Fan out of and VTb, show low variation with respect to temperature compatibility driving 74L (typ 0.0005V/§C at VCC 10V). And the hysteresis, VTa VTb 0.2 VCC is guaranteed.
Connection Diagram
Dual-In-Line Package
Order Number MM54C914 or MM74C914
TL/F/5917–1
Special Input Protection
8V 25V for the diodes.
TL/F/5917–2
C1995 National Semiconductor Corporation TL/F/5917 RRD-B30M105/Printed in U. S. A.
Page Summary Contents For National Semiconductor MM54C914 MM74C914 Hex Schmitt Trigger with Extended Input Voltage
Manual Details
| Brand | National |
|---|---|
| Pages | 4 |
| File Size | 116.65 KB |
| Published | June 15, 2026 |
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