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74LV221 Dual Monostable
74LV221
Texas Instrumentsic logic
The 74LV221 is a dual monostable multivibrator with Schmitt-trigger inputs, designed for 2V to 5.5V VCC operation and can be used in mixed-mode voltage environments.
In stock
Specifications
3- Operating Voltage
- 2V to 5.5V VCC
- Supply Current
- 20 µA (quiescent) (max) 975 µA (active state per circuit)
- Temperature Range
- -40°C to 85°C
Pinout
16| Pin | Name | Functions | Notes |
|---|---|---|---|
| 1 | A | GPIO | Channel 1 falling edge trigger input when 1B = H; Hold low for other input methods |
| 2 | 1B | GPIO | Channel 1 rising edge trigger input when 1 A = L; Hold high for other input methods |
| 3 | 1 CLR | GPIO | Channel 1 rising edge trigger when 1 A = L and 1B = H; Hold high for other input methods; Can cut pulse length short by driving low during output |
| 4 | 1 Q | GPIO | Channel 1 inverted output |
| 5 | 2Q | GPIO | Channel 2 output |
| 6 | 2Cext | — | |
| 7 | 2Rext/Cext | — | |
| 8 | GND | GND | |
| 9 | 2A | GPIO | Channel 2 falling edge trigger input when 2B = H; Hold low for other input methods |
| 10 | 2B | GPIO | Channel 2 rising edge trigger input when 2 A = L; Hold high for other input methods |
| 11 | 2 CLR | GPIO | Channel 2 rising edge trigger when 2 A = L and 2B = H; Hold high for other input methods; Can cut pulse length short by driving low during output |
| 12 | 2 Q | GPIO | Channel 2 inverted output |
| 13 | 1Q | GPIO | Channel 1 output |
| 14 | 1Cext | — | |
| 15 | 1Rext/Cext | — | |
| 16 | VCC | POWER | Power supply |
Interactive pinout
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74LV221
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