| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| SN54LS168J | BCD decade/modulo 16 binary synchronous bi-directional counter | Motorola | DIP | 16 | -55°C | 125°C | 272 K |
| SN54LS169J | BCD decade/modulo 16 binary synchronous bi-directional counter | Motorola | DIP | 16 | -55°C | 125°C | 272 K |
| SN54LS170J | 4 x 4 register file open-collector | Motorola | DIP | 16 | -55°C | 125°C | 107 K |
| SN54LS173AJ | 4-bit D-type register with 3-state outputs | Motorola | DIP | 16 | -55°C | 125°C | 207 K |
| SN54LS174J | Hex D flip-flop | Motorola | DIP | 16 | -55°C | 125°C | 75 K |
| SN54LS175J | Quad D flip-flop | Motorola | DIP | 16 | -55°C | 125°C | 171 K |
| SN54LS181J | 4-bit arithmetic logic unit | Motorola | DIP | 24 | -55°C | 125°C | 277 K |
| SN54LS190J | Presettable BCD/decade 4-bit binary up/down counter | Motorola | DIP | 16 | -55°C | 125°C | 310 K |
| SN54LS191J | Presettable BCD/decade 4-bit binary up/down counter | Motorola | DIP | 16 | -55°C | 125°C | 310 K |
| SN54LS192J | Presettable BCD/decade 4-bit binary up/down counter | Motorola | DIP | 16 | -55°C | 125°C | 276 K |
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