| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| B5S16861TTR | 20-BIT TWO PORT BUS SWITCH | SGS-Thomson-Microelectronics | - | - | - | - | 194 K |
| B5S16862TTR | 20-BIT TWO PORT BUS SWITCH WITH FOUR ENABLE CONTROL | SGS-Thomson-Microelectronics | - | - | - | - | 193 K |
| DS1685 | Real Time Clock | Dallas-Semiconductor | DIP | 24 | - | - | 31 K |
| DS1687 | Real Time Clock | Dallas-Semiconductor | DIP | 24 | - | - | 31 K |
| DS1688 | 3 Volt/5 Volt serialized real time clock with NV RAM control | Dallas-Semiconductor | DIP | 28 | - | - | 46 K |
| DS1688S | 3 Volt/5 Volt serialized real time clock with NV RAM control | Dallas-Semiconductor | SOIC | 28 | - | - | 46 K |
| SN54LS168J | BCD decade/modulo 16 binary synchronous bi-directional counter | Motorola | DIP | 16 | -55°C | 125°C | 272 K |
| SN74LS168D | BCD decade/modulo 16 binary synchronous bi-directional counter | Motorola | SOIC | 16 | 0°C | 70°C | 272 K |
| SN74LS168N | BCD decade/modulo 16 binary synchronous bi-directional counter | Motorola | PDIP | 16 | 0°C | 70°C | 272 K |
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