| No. |
Part Name |
Description |
Manufacturer |
| 1 |
SN74121NE4 |
Monostable multivibrator with Schmitt-trigger inputs 14-PDIP 0 to 70 |
Texas Instruments |
| 2 |
SN74221NE4 |
Dual monostable multivibrators with Schmitt-trigger inputs 16-PDIP 0 to 70 |
Texas Instruments |
| 3 |
SN74F21NE4 |
Dual 4-input positive-AND gates 14-PDIP 0 to 70 |
Texas Instruments |
| 4 |
SN74HC21NE4 |
Dual 4-Input Positive-AND Gates 14-PDIP -40 to 85 |
Texas Instruments |
| 5 |
SN74LS21NE4 |
Dual 4-input positive-AND gates 14-PDIP 0 to 70 |
Texas Instruments |
| 6 |
SN74LS221NE4 |
Dual monostable multivibrators with Schmitt-trigger inputs 16-PDIP 0 to 70 |
Texas Instruments |
| | | |
