| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| SN74LS193ML1 | PRESETTABLE BCD/DECADE UP/DOWN COUNTER PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER | ON-Semiconductor | - | - | - | - | 110 K |
| SN74LS193N | PRESETTABLE BCD/DECADE UP/DOWN COUNTER PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER | ON-Semiconductor | PDIP | 16 | - | - | 110 K |
| SN74LS290D | DECADE COUNTER; 4-BIT BINARY COUNTER | ON-Semiconductor | - | - | - | - | 74 K |
| SN74LS290DR2 | DECADE COUNTER; 4-BIT BINARY COUNTER | ON-Semiconductor | - | - | - | - | 74 K |
| SN74LS290N | DECADE COUNTER; 4-BIT BINARY COUNTER | ON-Semiconductor | PDIP | 14 | - | - | 74 K |
| SN74LS293D | DECADE COUNTER; 4-BIT BINARY COUNTER | ON-Semiconductor | SOIC | 14 | - | - | 74 K |
| SN74LS293DR2 | DECADE COUNTER; 4-BIT BINARY COUNTER | ON-Semiconductor | - | - | - | - | 74 K |
| SN74LS293N | DECADE COUNTER; 4-BIT BINARY COUNTER | ON-Semiconductor | PDIP | 14 | - | - | 74 K |
| SN74LS393D | DUAL DECADE COUNTER; DUAL 4-STAGE BINARY COUNTER | ON-Semiconductor | SOIC | 14 | - | - | 71 K |
| SN74LS393DR2 | DUAL DECADE COUNTER; DUAL 4-STAGE BINARY COUNTER | ON-Semiconductor | SOIC | 14 | - | - | 71 K |
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