| No. |
Part Name |
Description |
Manufacturer |
| 1 |
DL020D |
2 NAND gates with 4 inputs each (TTL low-power Schottky series), possibly equivalent SN74LS20N |
RFT |
| 2 |
DM74LS20N |
Dual 4-Input NAND Gate |
Fairchild Semiconductor |
| 3 |
DM74LS20N |
Dual 4-Input NAND Gates |
National Semiconductor |
| 4 |
SN74LS20N |
DUAL 4-INPUT NAND GATE |
Motorola |
| 5 |
SN74LS20N |
Dual 4-input positive-NAND gates |
Texas Instruments |
| 6 |
SN74LS20N3 |
Dual 4-input positive-NAND gates |
Texas Instruments |
| 7 |
SN74LS20NE4 |
Dual 4-input positive-NAND gates 14-PDIP 0 to 70 |
Texas Instruments |
| 8 |
SN74LS20NSR |
Dual 4-input positive-NAND gates |
Texas Instruments |
| | | |
