| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| SN74LS191D | Presettable BCD/decade 4-bit binary up/down counter | Motorola | SOIC | 16 | 0°C | 70°C | 310 K |
| SN74LS191D | SYNCHRONOUS 4-BIT UP/DOWN COUNTERS WITH UP/DOWN MODE CONTROL | Texas-Instruments | D | 16 | 0°C | 70°C | 512 K |
| SN74LS191DR | SYNCHRONOUS 4-BIT UP/DOWN COUNTERS WITH UP/DOWN MODE CONTROL | Texas-Instruments | D | 16 | 0°C | 70°C | 512 K |
| SN74LS191N | Presettable BCD/decade 4-bit binary up/down counter | Motorola | PDIP | 16 | 0°C | 70°C | 310 K |
| SN74LS191N | SYNCHRONOUS 4-BIT UP/DOWN COUNTERS WITH UP/DOWN MODE CONTROL | Texas-Instruments | N | 16 | 0°C | 70°C | 512 K |
| SN74LS191N | SYNCHRONOUS 4-BIT UP/DOWN COUNTERS WITH UP/DOWN MODE CONTROL | Texas-Instruments | N | 16 | 0°C | 70°C | 512 K |
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