| Manufacturer | Part Number | Description |
|---|---|---|
Fairchild (now onsemi)
| 74221 | Dual Non-Retriggerable Monostable Multivibrator |
NXP Semiconductors
| 74221 | Dual non-retriggerable monostable multivibrator |
Hitachi Semiconductor (now Renesas)
| 74221 | Dual Monostable Multivibrators |
Texas Instruments
| SN74221 | DUAL MONOSTABLE MULTIVIBRATORS |
NTE Electronics (defunct)
| NTE74221 | Dual Monostable Multivibrator |
| DARFON | SPIRI74221M | Assembly Inductors |
