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txb0104qpwrq1
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Texas Instruments Translators / Level Shifters, TSSOP-14. Datasheet-verified pinout, KiCad symbol/footprint/3D.
3D Model
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markdownTXB0104QPWRQ1
Texas Instruments · Translators / Level Shifters · TSSOP-14
TXB0104QPWRQ1 from Texas Instruments, in a TSSOP-14. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | VCCA | power_in | A-port supply voltage. Accepts 1.2 V ≤ VCCA ≤ 3.6 V and must satisfy VCCA ≤ VCCB. Sets the reference rail for the A-side I/Os and the OE input threshold. |
| 2 | A1 | bidirectional | Bidirectional level-translated I/O 1, referenced to VCCA. Automatic direction sensing pairs it with B1; drives up to a few mA with edge-rate acceleration and defaults to high-impedance when OE is low. |
| 3 | A2 | bidirectional | Bidirectional level-translated I/O 2, referenced to VCCA. Pairs with B2 via automatic direction sensing; high-Z when OE is low. |
| 4 | A3 | bidirectional | Bidirectional level-translated I/O 3, referenced to VCCA. Pairs with B3 via automatic direction sensing; high-Z when OE is low. |
| 5 | A4 | bidirectional | Bidirectional level-translated I/O 4, referenced to VCCA. Pairs with B4 via automatic direction sensing; high-Z when OE is low. |
| 6 | NC | unconnected | No internal connection. Leave floating or tie to any convenient net; not electrically connected inside the package. |
| 7 | GND | power_in | Device ground reference for both A-side and B-side domains. |
| 8 | OE | input | 3-state output-mode enable, referenced to VCCA. Drive high to enable translation; drive/pull low to place all A and B outputs in high-impedance. Should be tied to GND through a pulldown during VCC ramp to guarantee Hi-Z at power-up/down. |
| 9 | NC | unconnected | No internal connection. Leave floating or tie to any convenient net; not electrically connected inside the package. |
| 10 | B4 | bidirectional | Bidirectional level-translated I/O 4, referenced to VCCB. Pairs with A4; high-Z when OE is low. |
| 11 | B3 | bidirectional | Bidirectional level-translated I/O 3, referenced to VCCB. Pairs with A3; high-Z when OE is low. |
| 12 | B2 | bidirectional | Bidirectional level-translated I/O 2, referenced to VCCB. Pairs with A2; high-Z when OE is low. |
| 13 | B1 | bidirectional | Bidirectional level-translated I/O 1, referenced to VCCB. Pairs with A1; high-Z when OE is low. |
| 14 | VCCB | power_in | B-port supply voltage. Accepts 1.65 V ≤ VCCB ≤ 5.5 V and must satisfy VCCB ≥ VCCA. Sets the reference rail for the B-side I/Os. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | TSSOP-14 |
| Category | Logic |
| Pins | 14 |
Ordering variants
TXB0104QPWRQ1TXB0104QPWRQ1QRGYRQ1TXB0104QPWRQ1QRUTRQ1
CAD (KiCad official)
- Symbol:
TXB0104QPWRQ1 - Footprint:
Package_SO:TSSOP-14_4.4x5mm_P0.65mm - 3D model: TSSOP-14 (KiCad packages3D, STEP)
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (None pp, sha256
e6fd0e59f58218a8, retrieved 2026-08-17, tier: manufacturer) - Extractor:
ds2sf(Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate. - CAD: KiCad official libraries (CC-BY-SA 4.0).