The 74F646B by National is a Octal Transceiver Register. Below is the official datasheet preview.
| Part number | 74F646B, 74F646 |
|---|---|
| Manufacturer | National |
| File Size | 202.75 KB |
| Description | Octal Transceiver Register |
| Datasheet |
 74F646_NationalSemiconductor.pdf
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| Note |
This datasheet PDF includes multiple part numbers: 74F646B, 74F646. Please refer to the document for exact specifications by model. |
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These devices consist of bus transceiver circuits with TRISTATE D-type flip-flops and control circuitry arranged for multiplexed transmission of data directly from the input bus or from the internal registers Data on the A or B bus will be clocked into the registers as the appropriate clock pin goes to a high logic level Control G and direction pins are provided to control the transceiver function In the transceiver mode data present at the high impedance port may be stored in either the A or th
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