DM74LS221N – FSC
Dual Monostable Multivibrator IC, 16-DIP Package
Stock Quantity: 967
Selling Unit: Each
| Quantity | Price (ex VAT) |
|---|---|
| 1+ | 3.12 |
| 10+ | |
| 50+ | |
| 100+ |
967 in stock
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- 6 month warranty on all stock items
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Overview
The onsemi DM74LS221N is a dual monostable multivibrator designed to generate precisely timed output pulses in response to a trigger input. Its core functionality lies in its ability to reliably produce a single pulse of a predetermined duration, dictated by an external resistor and capacitor. A critical design consideration for this TTL-compatible device is the trade-off between pulse width accuracy and power consumption; while larger RC time constants offer greater precision, they can also increase susceptibility to noise and potentially extend recovery time, impacting maximum operating frequency in high-speed applications.
Key Features
- Dual Monostable Multivibrator Configuration
- 65 ns Propagation Delay (typical)
- Wide Supply Voltage Range: 4.75 V to 5.25 V
- Output Drive Capability: 400µA (High), 8mA (Low)
- Operating Temperature: 0°C to 70°C
- 16-PDIP (0.300″, 7.62mm) Through Hole Package
Applications
The component is engineered for deployment in systems requiring high reliability and performance under specific operating conditions. It provides functional stability across the stated design envelope.
- Precise pulse generation for digital timing circuits
- Debouncing mechanical switch inputs in control systems
- Generating delay signals for sequential logic operations
- Creating watchdog timer reset pulses in embedded systems
