DM54121�DM54121�DM74121 One-Shot with Clear and Complementary Outputs is a monostable multivibrator featuring both positive and negative edge triggering with complementary outputs
The 54121 series is a monostable multivibrator with both positive and negative edge triggering and complementary outputs. It includes an internal 2 kΩ timing resistor and can be used with a single external capacitor for pulse‑width control ranging from 30 ns to 28 s.
The handbook provides detailed electrical characteristics, absolute maximum ratings, recommended operating conditions, switching characteristics, and physical dimensions, along with safety notices for life‑support applications.
| Operating Temperature Range | -58 °C to +125 °C |
|---|---|
| Storage Temperature Range | -65 °C to +150 °C |
| Internal Timing Resistor | 2 kΩ |
| External Timing Resistor Range | 1.4 kΩ – 30 kΩ |
| External Timing Capacitance | up to 1000 pF |
The recommended operating temperature range is –58 °C to +125 °C.
National Semiconductor products are not authorized for use as critical components in life‑support devices without written approval.