| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| DM54LS181W | 4-Bit Arithmetic Logic Unit | distributor | W24C | 24 | -55°C | 125°C | 154 K |
| SN54LS107AFK | Dual J-K flip-flops with clear | Texas-Instruments | CCC | 14 | -55°C | 125°C | 197 K |
| SN54LS107AJ | Dual J-K flip-flops with clear | Texas-Instruments | CERDIP | 14 | -55°C | 125°C | 197 K |
| SN54LS190 | Synchronous up/down counters with down/up mode control | Texas-Instruments | J | 16 | -55°C | 125°C | 512 K |
| SN54LS191 | Synchronous up/down counters with down/up mode control | Texas-Instruments | J | 16 | -55°C | 125°C | 512 K |
| SN54LS191 | Synchronous up/down counters with down/up mode control | Texas-Instruments | J | 16 | -55°C | 125°C | 512 K |
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