74121 Monostable Multivibrator IC, TTL, DIP-14
Prices updated: 13 Oct 2026
Compare prices
| Store | product | Price | View in store |
|---|---|---|---|
 Microohm | 74121 Monostable Multivibrator IC DIP-14 | 20 EGP25 | View in store |
Price history
Lowest daily price, last 90 days
Lowest price recorded: 20 EGP
About this product
The 74121 is a TTL monostable multivibrator in a 14-pin DIP package. It generates a single output pulse of set duration when triggered, with the duration set by an external resistor and capacitor. It is used for timing, switch debouncing, pulse shaping and trigger conditioning.
Specifications
- Package
- DIP-14
- Logic family
- 74xx TTL
- Function
- Monostable multivibrator (one-shot)
- Supply voltage
- 5 V
- Pulse width
- Set by external R and C, approx. 0.69 x R x C
Frequently asked questions
What is the price of 74121 Monostable Multivibrator IC, TTL, DIP-14 in Egypt?
74121 Monostable Multivibrator IC, TTL, DIP-14 currently costs 20 EGP in Egypt.
Where can I buy 74121 Monostable Multivibrator IC, TTL, DIP-14 in Egypt?
74121 Monostable Multivibrator IC, TTL, DIP-14 is available from Microohm. Compare the offers above to find the best price.
How do I set the pulse width?
Connect the timing capacitor between Cext and Rext/Cext, and the timing resistor from Rext/Cext to VCC, as shown in the datasheet pin diagram. Pulse width is approximately 0.69 x R x C.
Can I use the 74121 with a 3.3 V board?
It is a 5 V TTL device. Check the input and output logic levels in the datasheet before connecting it to 3.3 V microcontrollers, and use level shifting where needed.
