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TXU0304QPWRQ1

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TEXAS INSTRUMENTS Global Sourcing Parts, TSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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TXU0304QPWRQ1

TEXAS INSTRUMENTS · Global Sourcing Parts · TSSOP-14

TXU0304QPWRQ1 from TEXAS INSTRUMENTS, in a TSSOP-14. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 VCCA power_in A-port supply voltage, 1.1 V ≤ VCCA ≤ 5.5 V.
2 A1 input Input A1, referenced to VCCA.
3 A2 input Input A2, referenced to VCCA.
4 A3 input Input A3, referenced to VCCA.
5 A4Y output Output A4, referenced to VCCA.
6 NC unconnected No internal connection.
7 GND power_in Ground.
8 OE input Output enable; pull to GND to put all outputs in high-impedance mode, pull to VCCA or VCCB to enable all outputs.
9 NC unconnected No internal connection.
10 B4 input Input B4, referenced to VCCB.
11 B3Y output Output B3, referenced to VCCB.
12 B2Y output Output B2, referenced to VCCB.
13 B1Y output Output B1, referenced to VCCB.
14 VCCB power_in B-port supply voltage, 1.1 V ≤ VCCB ≤ 5.5 V.

Key specifications

Parameter Value
Manufacturer TEXAS INSTRUMENTS
Package TSSOP-14
Category Global Sourcing Parts
Pins 14

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Supply voltage A VCCA 1.08 5.5 V 6
Supply voltage B VCCB 1.08 5.5 V 6
Input voltage VI 0 5.5 V 6
Output voltage, tri-state VO 0 5.5 V Tri-state 6
Operating free-air temperature TA -40 125 °C 6
High-level output current IOH -1.5 mA VCCO = 1.1V 6
High-level output current IOH -3 mA VCCO = 1.4V 6
High-level output current IOH -4.5 mA VCCO = 1.65V 6
High-level output current IOH -8 mA VCCO = 2.3V 6
High-level output current IOH -10 mA VCCO = 3V 6
High-level output current IOH -12 mA VCCO = 4.5V 6
Low-level output current IOL 1.5 mA VCCO = 1.1V 6
Low-level output current IOL 3 mA VCCO = 1.4V 6
Low-level output current IOL 4.5 mA VCCO = 1.65V 6
Low-level output current IOL 8 mA VCCO = 2.3V 6
Low-level output current IOL 10 mA VCCO = 3V 6
Low-level output current IOL 12 mA VCCO = 4.5V 6
Input leakage current, OE II -0.1 1.5 µA VI = VCC or GND; VCCA, VCCB = 1.1V to 5.5V; TA = 25°C 8
Input leakage current, OE II -0.1 2 µA VI = VCC or GND; VCCA, VCCB = 1.1V to 5.5V; TA = -40°C to 125°C 8
Input leakage current, data inputs (Ax, Bx) II -0.1 1.5 µA VI = VCCI or GND; VCCA, VCCB = 1.1V to 5.5V; TA = 25°C 8
Input leakage current, data inputs (Ax, Bx) II -2 2 µA VI = VCCI or GND; VCCA, VCCB = 1.1V to 5.5V; TA = -40°C to 125°C 8
Partial power-down current, A or B port Ioff -1.5 1.5 µA VI or VO = 0V to 5.5V; VCCA = 0V, VCCB = 0V to 5.5V; TA = 25°C 8
Partial power-down current, A or B port Ioff -2 2 µA VI or VO = 0V to 5.5V; VCCA = 0V, VCCB = 0V to 5.5V; TA = -40°C to 85°C 8
Partial power-down current, A or B port Ioff -2.5 2.5 µA VI or VO = 0V to 5.5V; VCCA = 0V, VCCB = 0V to 5.5V; TA = -40°C to 125°C 8
Floating-supply partial power-down current, A or B port Ioff-float -1.5 1.5 µA VI or VO = GND; VCCA floating, VCCB = 0V to 5.5V; TA = 25°C 8
Floating-supply partial power-down current, A or B port Ioff-float -2 2 µA VI or VO = GND; VCCA floating, VCCB = 0V to 5.5V; TA = -40°C to 85°C 8
Floating-supply partial power-down current, A or B port Ioff-float -2.5 2.5 µA VI or VO = GND; VCCA floating, VCCB = 0V to 5.5V; TA = -40°C to 125°C 8
High-level output voltage VOH 0.82 V IOH = -0.5mA; VCCA = 1.1V; VCCB = 1.1V 8
High-level output voltage VOH 1 V IOH = -3mA; VCCA = 1.4V; VCCB = 1.4V 8
High-level output voltage VOH 1.2 V IOH = -4.5mA; VCCA = 1.65V; VCCB = 1.65V 8
High-level output voltage VOH 1.7 V IOH = -8mA; VCCA = 2.3V; VCCB = 2.3V 8
High-level output voltage VOH 2.2 V IOH = -10mA; VCCA = 3V; VCCB = 3V 8
High-level output voltage VOH 3.7 V IOH = -12mA; VCCA = 4.5V; VCCB = 4.5V 8
Low-level output voltage VOL 0.1 V IOL = 0.1mA; VCCA, VCCB = 1.1V to 5.5V 8
Low-level output voltage VOL 0.27 V IOL = 0.5mA; VCCA = 1.1V; VCCB = 1.1V 8
Low-level output voltage VOL 0.35 V IOL = 3mA; VCCA = 1.4V; VCCB = 1.4V 8
Low-level output voltage VOL 0.45 V IOL = 4.5mA; VCCA = 1.65V; VCCB = 1.65V 8
Low-level output voltage VOL 0.7 V IOL = 8mA; VCCA = 2.3V; VCCB = 2.3V 8
Low-level output voltage VOL 0.8 V IOL = 10mA; VCCA = 3V; VCCB = 3V 8
Low-level output voltage VOL 0.55 V IOL = 8mA; VCCA = 4.5V; VCCB = 4.5V 8
Junction-to-ambient thermal resistance RθJA 135.8 °C/W PW (TSSOP) 14 pins 6
Junction-to-case (top) thermal resistance RθJC(top) 65 °C/W PW (TSSOP) 14 pins 6
Junction-to-board thermal resistance RθJB 78.8 °C/W PW (TSSOP) 14 pins 6
Junction-to-top characterization parameter YJT 15.6 °C/W PW (TSSOP) 14 pins 6
Junction-to-board characterization parameter YJB 78.2 °C/W PW (TSSOP) 14 pins 6

CAD (KiCad official)

  • Symbol: TXU0304QPWRQ1
  • Footprint: Package_SO:TSSOP-14_4.4x5mm_P0.65mm
  • 3D model: TSSOP-14 (KiCad packages3D, STEP)
  • 3D model files: txu0304qpwrq1-etched.step / txu0304qpwrq1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); txu0304qpwrq1.step / txu0304qpwrq1.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: TEXAS INSTRUMENTS datasheet (40 pp, sha256 69909ed223e23d5b, retrieved 2026-10-22, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF