| No. |
Part Name |
Description |
Manufacturer |
| 1 |
DL090D |
Decadal counter (TTL low-power Schottky series), possibly equivalent SN74LS90N |
RFT |
| 2 |
DM74LS90N |
Decade and Binary Counters |
Fairchild Semiconductor |
| 3 |
DM74LS90N |
Decade and Binary Counters |
National Semiconductor |
| 4 |
SN74LS90N |
DECADE COUNTER; DIVIDE-BY-TWELVE COUNTER; 4-BIT BINARY COUNTER |
Motorola |
| 5 |
SN74LS90N |
DECADE COUNTER DIVIDE-BY-TWELVE COUNTER 4-BIT BINARY COUNTER |
ON Semiconductor |
| 6 |
SN74LS90N |
Decade Counter |
Texas Instruments |
| 7 |
SN74LS90NE4 |
Decade Counter 14-PDIP 0 to 70 |
Texas Instruments |
| | | |
