Key Selection Information
| Selection Parameter | Confirmed Information |
|---|---|
| Device type | 4-bit dual-supply translating transceiver |
| Direction | Bidirectional with DIR control |
| Output enable | 3-state outputs |
| VCCA range | 0.8 V to 3.6 V |
| VCCB range | 0.8 V to 3.6 V |
| Partial power-down | Ioff support |
| Qualification | AEC-Q100 Grade 1 family |
| Package | DHVQFN-16 |
| Automotive range | Up to +125°C grade |
Product Overview
74AVC4T245BQ-Q100X is an automotive four-bit dual-supply level-translating transceiver. Each supply domain can operate from 0.8 V to 3.6 V, enabling translation among common low-voltage logic rails without requiring one side to be fixed at 3.3 V.
Direction controls select A-to-B or B-to-A transfer, while output enable can isolate the buses. Partial power-down circuitry prevents damaging backflow when one supply domain is off.
Technical Specifications
| Parameter | Confirmed Information |
|---|---|
| Bits | 4 |
| Translation | Bidirectional dual-supply |
| VCCA | 0.8 V to 3.6 V |
| VCCB | 0.8 V to 3.6 V |
| Max data rate class | Up to 380 Mbit/s for suitable voltage translation |
| Output state | 3-state |
| Partial power-down | Ioff supported |
| Qualification | AEC-Q100 Grade 1 |
| Package | DHVQFN-16 |
Translation Considerations
Maximum data rate depends strongly on both supply voltages. Use the datasheet table for the actual VCCA/VCCB pair rather than assuming the headline 380 Mbit/s rate applies to every low-voltage translation.
Manufacturer Resource
Nexperia 74AVC4T245BQ-Q100 product page
Quality & Verification Support
The placeholder image is intentional. Exact Q100X automotive order code, DHVQFN package, marking and lot/date information can be reviewed independently.
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