| No. |
Part Name |
Description |
Manufacturer |
| 1 |
D121D |
Monoflop, possibly equivalent SN74121N |
RFT |
| 2 |
SN74121 |
Monostable multivibrator with Schmitt-trigger inputs |
Texas Instruments |
| 3 |
SN74121 |
One shot multivibrator |
Transitron Electronic |
| 4 |
SN74121D |
Monostable multivibrator with Schmitt-trigger inputs |
Texas Instruments |
| 5 |
SN74121DE4 |
Monostable multivibrator with Schmitt-trigger inputs 14-SOIC 0 to 70 |
Texas Instruments |
| 6 |
SN74121DR |
Monostable multivibrator with Schmitt-trigger inputs |
Texas Instruments |
| 7 |
SN74121N |
Monostable multivibrator with Schmitt-trigger inputs |
Texas Instruments |
| 8 |
SN74121N3 |
Monostable multivibrator with Schmitt-trigger inputs |
Texas Instruments |
| 9 |
SN74121NE4 |
Monostable multivibrator with Schmitt-trigger inputs 14-PDIP 0 to 70 |
Texas Instruments |
| 10 |
SN74121NSR |
Monostable multivibrator with Schmitt-trigger inputs |
Texas Instruments |
| | | |
