| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| 74HCT191D | Presettable synchronous 4-bit binary up/down counter | Philips-Semiconductors | SOT109 | - | - | - | 108 K |
| 74HCT191D | Presettable synchronous 4-bit binary up/down counter | Philips-Semiconductors | SOT109 | - | - | - | 108 K |
| 74HCT191N | Presettable synchronous 4-bit binary up/down counter | Philips-Semiconductors | SOT38 | - | - | - | 108 K |
| 74HCT191U | Presettable synchronous 4-bit binary up/down counter | Philips-Semiconductors | - | - | - | - | 108 K |
| 74HCT193D | Presettable synchronous 4-bit binary up/down counter | Philips-Semiconductors | SOT109 | - | - | - | 95 K |
| 74HCT193DB | Presettable synchronous 4-bit binary up/down counter | Philips-Semiconductors | SOT338 | - | - | - | 95 K |
| 74HCT193U | Presettable synchronous 4-bit binary up/down counter | Philips-Semiconductors | - | - | - | - | 95 K |
| 74HCT194D | 4-bit bidirectional universal shift register | Philips-Semiconductors | SOT109 | - | - | - | 79 K |
| 74HCT194N | 4-bit bidirectional universal shift register | Philips-Semiconductors | SOT38 | - | - | - | 79 K |
| 74HCT194U | 4-bit bidirectional universal shift register | Philips-Semiconductors | - | - | - | - | 79 K |
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