| PartNo |
Type |
Analog |
Information source |
| Digi-Key |
4554-121K-ND |
 |
4554-121K |
API Delevan |
|
|
4554-121K |
API Delevan |
|
| Abracon |
AIUR-03-121K |
|
4554-121K |
API Delevan |
|
| Central Technologies |
CT622LY-121K |
|
4554-121K |
API Delevan |
|
| J.W. Miller |
PM54-121K |
|
PD54-124K |
API Delevan |
|
| TOKO |
R622LY-121K |
|
4554-121K |
API Delevan |
|
| Wilco |
RLH121 |
|
4554-121K |
API Delevan |
|
 - Pin-to-Pin Replacement
 - Compatible Equivalent |  - Functional Equivalent
- Possible Analog |
|  Highlight matches |
|
|
54121 [National Semiconductor]
One-Shot with Clear and Complementary Outputs |
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