| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | DM74ALS390 |  106Kb/6P | Dual 4-Bit Decade Counters |
| DM74ALS390M |  106Kb/6P | Dual 4-Bit Decade Counters |
| DM74ALS390N |  106Kb/6P | Dual 4-Bit Decade Counters |
 National Semiconductor ... | DM74ALS390M |  106Kb/6P | Dual 4-Bit Decade Counters |
| DM74ALS390N |  106Kb/6P | Dual 4-Bit Decade Counters |
 National Semiconductor ... | DM74ALS373 |  125Kb/6P | Octal D-Type TRI-STATE Transparent Latch |
 National Semiconductor ... | DM74ALS373N |  125Kb/6P | Octal D-Type TRI-STATE Transparent Latch |
 National Semiconductor ... | DM74ALS373SJ |  125Kb/6P | Octal D-Type TRI-STATE Transparent Latch |