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CD74HC125QPWRQ1

Public Made by Adom

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Texas Instruments Buffers, Drivers, Receivers, Transceivers, TSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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CD74HC125QPWRQ1

Texas Instruments · Buffers, Drivers, Receivers, Transceivers · TSSOP-14

CD74HC125QPWRQ1 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 1OE input Input Channel 1, Output Enable, Active Low; a low level enables output 1Y and a high level places it in the high-impedance state.
2 1A input Input Channel 1, Input A; buffer data input for channel 1.
3 1Y output Output Channel 1, Output Y; three-state buffer output for channel 1.
4 2OE input Input Channel 2, Output Enable, Active Low; a low level enables output 2Y and a high level places it in the high-impedance state.
5 2A input Input Channel 2, Input A; buffer data input for channel 2.
6 2Y output Output Channel 2, Output Y; three-state buffer output for channel 2.
7 GND power_in Ground reference for the device.
8 3Y output Output Channel 3, Output Y; three-state buffer output for channel 3.
9 3A input Input Channel 3, Input A; buffer data input for channel 3.
10 3OE input Input Channel 3, Output Enable, Active Low; a low level enables output 3Y and a high level places it in the high-impedance state.
11 4Y output Output Channel 4, Output Y; three-state buffer output for channel 4.
12 4A input Input Channel 4, Input A; buffer data input for channel 4.
13 4OE input Input Channel 4, Output Enable, Active Low; a low level enables output 4Y and a high level places it in the high-impedance state.
14 VCC power_in Positive supply; recommended operating range 2 V to 6 V, absolute maximum 7 V.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package TSSOP-14
Category Logic
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 VCC -0.5 7 V 3
Input clamp current IIK -20 20 mA VI < -0.5 V or VI > VCC + 0.5 V 3
Output clamp current IOK -20 20 mA VO < -0.5 V or VO > VCC + 0.5 V 3
Continuous output current IO -25 25 mA VO > -0.5 V or VO < VCC + 0.5 V 3
Continuous current through VCC or GND -70 70 mA 3
Junction temperature TJ 150 °C 3
Storage temperature Tstg -65 150 °C 3
Supply voltage VCC 2 5 6 V 4
High-level input voltage VIH 1.5 V VCC = 2 V 4
High-level input voltage VIH 3.15 V VCC = 4.5 V 4
High-level input voltage VIH 4.2 V VCC = 6 V 4
Low-level input voltage VIL 0.5 V VCC = 2 V 4
Low-level input voltage VIL 1.35 V VCC = 4.5 V 4
Low-level input voltage VIL 1.8 V VCC = 6 V 4
Input transition rise and fall rate Δt/Δv 1000 ns VCC = 2 V 4
Input transition rise and fall rate Δt/Δv 500 ns VCC = 4.5 V 4
Input transition rise and fall rate Δt/Δv 400 ns VCC = 6 V 4
Operating free-air temperature TA -40 125 °C 4
High-level output voltage VOH 1.9 V VI = VIH or VIL; IOH = -20 µA; VCC = 2 V 5
High-level output voltage VOH 4.4 V VI = VIH or VIL; IOH = -20 µA; VCC = 4.5 V 5
High-level output voltage VOH 5.9 V VI = VIH or VIL; IOH = -20 µA; VCC = 6 V 5
High-level output voltage VOH 3.7 V VI = VIH or VIL; IOH = -6 mA; VCC = 4.5 V 5
High-level output voltage VOH 5.2 V VI = VIH or VIL; IOH = -7.8 mA; VCC = 6 V 5
Low-level output voltage VOL 0.1 V VI = VIH or VIL; IOL = 20 µA; VCC = 2 V 5
Low-level output voltage VOL 0.4 V VI = VIH or VIL; IOL = 6 mA; VCC = 4.5 V 5
Input leakage current II -1 1 µA VI = VCC or GND; VCC = 6 V 5
Supply current ICC 8 160 µA VI = VCC or GND; IO = 0 mA; VCC = 6 V 5
Off-state output current IOZ -10 10 µA VI = VIL or VIH; VCC = 6 V 5
Propagation delay A to Y tpd 150 ns CL = 50 pF; VCC = 2 V 5
Propagation delay A to Y tpd 30 ns CL = 50 pF; VCC = 4.5 V 5
Propagation delay A to Y tpd 26 ns CL = 50 pF; VCC = 6 V 5
Enable time OE to Y ten 190 ns CL = 50 pF; VCC = 2 V 5
Enable time OE to Y ten 38 ns CL = 50 pF; VCC = 4.5 V 5
Enable time OE to Y ten 32 ns CL = 50 pF; VCC = 6 V 5
Disable time OE to Y tdis 190 ns CL = 50 pF; VCC = 2 V 5
Disable time OE to Y tdis 38 ns CL = 50 pF; VCC = 4.5 V 5
Disable time OE to Y tdis 32 ns CL = 50 pF; VCC = 6 V 5
Transition time Y tt 90 ns CL = 50 pF; VCC = 2 V 5
Transition time Y tt 18 ns CL = 50 pF; VCC = 4.5 V 5
Transition time Y tt 15 ns CL = 50 pF; VCC = 6 V 5
Human body model ESD V(ESD) -2000 2000 V HBM per AEC Q100-002 4
Charged device model ESD V(ESD) -1000 1000 V CDM per AEC Q100-011 4
Junction-to-ambient thermal resistance RθJA 151.7 °C/W PW (TSSOP) 14 pins 4

CAD (KiCad official)

  • Symbol: CD74HC125QPWRQ1
  • Footprint: Package_SO:TSSOP-14_4.4x5mm_P0.65mm
  • 3D model: TSSOP-14 (KiCad packages3D, STEP)
  • 3D model files: cd74hc125qpwrq1-etched.step / cd74hc125qpwrq1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cd74hc125qpwrq1.step / cd74hc125qpwrq1.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (22 pp, sha256 dd5699a7d6a6c1a7, retrieved 2026-10-17, tier: manufacturer)
  • 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-haiku-5-5 (text), consensus off (skipped (clean text read)), 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