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RS4G125XQ

Public Made by Adom

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

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RS4G125XQ

Jiangsu RUNIC Tech · Buffers, Drivers, Receivers, Transceivers · TSSOP-14

RS4G125XQ from Jiangsu RUNIC Tech, 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 Active-low output enable for buffer 1; the buffer output is disabled (high-impedance) when this pin is high.
2 1A input Data input of buffer 1, which accepts voltages up to 5.5V regardless of VCC.
3 1Y output Output of buffer 1, rated for ±24mA drive at VCC = 3.0V.
4 2OE input Active-low output enable for buffer 2; the buffer output is disabled (high-impedance) when this pin is high.
5 2A input Data input of buffer 2, which accepts voltages up to 5.5V regardless of VCC.
6 2Y output Output of buffer 2, rated for ±24mA drive at VCC = 3.0V.
7 GND power_in Ground reference for the device.
8 3Y output Output of buffer 3, rated for ±24mA drive at VCC = 3.0V.
9 3A input Data input of buffer 3, which accepts voltages up to 5.5V regardless of VCC.
10 3OE input Active-low output enable for buffer 3; the buffer output is disabled (high-impedance) when this pin is high.
11 4Y output Output of buffer 4, rated for ±24mA drive at VCC = 3.0V.
12 4A input Data input of buffer 4, which accepts voltages up to 5.5V regardless of VCC.
13 4OE input Active-low output enable for buffer 4; the buffer output is disabled (high-impedance) when this pin is high.
14 VCC power_in Power supply; operating range is 1.65V to 5.5V.

Key specifications

Parameter Value
Manufacturer Jiangsu RUNIC Tech
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, operating VCC 1.65 5.5 V Operating 6
Supply voltage, data retention only VCC 1.5 5.5 V Data retention only 6
High-level input voltage VIH 1.7 V VCC=2.3V to 2.7V 6
High-level input voltage VIH 2.2 V VCC=3V to 3.6V 6
Low-level input voltage VIL 0.3 V VCC=2.3V to 2.7V 6
Low-level input voltage VIL 0.4 V VCC=3V to 3.6V 6
Input voltage VI 0 5.5 V 6
Output voltage VO 0 V 6
Input transition rise or fall time tr, tf 20 ns/V VCC=1.8V±0.15V, 2.5V±0.2V 6
Input transition rise or fall time tr, tf 10 ns/V VCC=3.3V±0.3V 6
Input transition rise or fall time tr, tf 5 ns/V VCC=5V±0.5V 6
Operating temperature TA -40 125 °C 6
High-level output voltage VOH 1.2 V IOH = -4mA; VCC = 1.65V; Full temp range 6
High-level output voltage VOH 1.9 V IOH = -8mA; VCC = 2.3V; Full temp range 6
High-level output voltage VOH 2.4 V IOH = -16mA; VCC = 3V; Full temp range 6
High-level output voltage VOH 2.3 V IOH = -24mA; VCC = 3V; Full temp range 6
High-level output voltage VOH 3.8 V IOH = -32mA; VCC = 4.5V; Full temp range 6
Low-level output voltage VOL 0.1 V IOL = 100μA; VCC = 1.65V to 5.5V; Full temp range 6
Low-level output voltage VOL 0.45 V IOL = 4mA; VCC = 1.65V; Full temp range 6
Low-level output voltage VOL 0.3 V IOL = 8mA; VCC = 2.3V; Full temp range 6
Low-level output voltage VOL 0.4 V IOL = 16mA; VCC = 3V; Full temp range 6
Low-level output voltage VOL 0.55 V IOL = 24mA; VCC = 3V; Full temp range 6
Input leakage current, A or OE inputs II -1 0.1 1 µA VI=5.5V or GND; VCC 0V to 5.5V; +25°C 6
Input leakage current, A or OE inputs II -5 5 µA VI=5.5V or GND; VCC 0V to 5.5V; Full temp range 6
Power-off leakage current Ioff -1 0.1 1 µA VI or VO=5.5V; VCC=0V; +25°C 6
Power-off leakage current Ioff -10 10 µA VI or VO=5.5V; VCC=0V; Full temp range 6
High-impedance output current IOZ 10 µA VO=0V to 5.5V; VCC=3.6V; Full temp range 6
Supply current ICC 0.1 1 µA VI=5.5V or GND, IO=0; VCC 1.65V to 5.5V; +25°C 6
Supply current ICC 10 µA VI=5.5V or GND, IO=0; VCC 1.65V to 5.5V; Full temp range 6
Additional supply current per input ΔICC 500 µA One input at VCC-0.6V, other inputs at VCC or GND; VCC 3V to 5.5V; Full temp range 6
Supply voltage range VCC -0.5 6.5 V 4
Input voltage range VI -0.5 6.5 V 4
Voltage range applied to any output in high-impedance or power-off state Vo -0.5 6.5 V 4
Voltage range applied to any output in high or low state Vo -0.5 V 4
Input clamp current IIK -50 mA VI<0 4
Output clamp current IOK -50 mA VO<0 4
Continuous output current IO -50 50 mA 4
Continuous current through VCC or GND -100 100 mA 4
Junction temperature TJ -65 150 °C 4
Storage temperature Tstg -65 150 °C 4
Electrostatic discharge, human-body model V(ESD) -8000 8000 V Human-body model (HBM) 4
Electrostatic discharge, machine model V(ESD) -500 500 V Machine model (MM) 4
Junction-to-ambient thermal resistance RϴJA 141.2 °C/W TSSOP-14 4
Junction-to-case (top) thermal resistance RϴJC(top) 78.8 °C/W TSSOP-14 4
Junction-to-board thermal resistance RϴJB 85.8 °C/W TSSOP-14 4
Junction-to-top characterization parameter ΨJT 27.7 °C/W TSSOP-14 4
Junction-to-board characterization parameter ΨJB 85.5 °C/W TSSOP-14 4

CAD (KiCad official)

  • Symbol: RS4G125XQ
  • Footprint: Package_SO:TSSOP-14_4.4x5mm_P0.65mm
  • 3D model: TSSOP-14 (KiCad packages3D, STEP)
  • 3D model files: rs4g125xq-etched.step / rs4g125xq-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); rs4g125xq.step / rs4g125xq.glb are the bare package body.

Provenance

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

  • Datasheet: Jiangsu RUNIC Tech datasheet (11 pp, sha256 5e8a48a04dd1d90a, retrieved 2026-10-17, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-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