DM74LS293 и другие
| Компонент | Описание | Производитель | |
| DM74LS290 | 4-BIR DECADE COUNTER |
National Semiconductor |
 |
| DM74LS290M | 4-BIR DECADE COUNTER |
National Semiconductor |
|
| DM74LS290N | 4-BIR DECADE COUNTER |
National Semiconductor |
|
| DM74LS293 | 4-Bit Binary Counter |
National Semiconductor |
|
| DM74LS293M | 4-Bit Binary Counter |
National Semiconductor |
|
| DM74LS293N | 4-Bit Binary Counter |
National Semiconductor |
|
| DM74LS295A | 4-BIT SHIFT REGISTER WITH TRI-STATE OUTPUTS |
National Semiconductor |
|
| DM74LS295AM | 4-BIT SHIFT REGISTER WITH TRI-STATE OUTPUTS |
National Semiconductor |
|
| DM74LS295AN | 4-BIT SHIFT REGISTER WITH TRI-STATE OUTPUTS |
National Semiconductor |
|
| DM74LS298 | Quad 2-Port Register Multiplexer with Storage |
Fairchild Semiconductor |
|