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Contents

README

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TXS02324RUKR

Texas Instruments · Interface - Specialized · QFN-20-EP(3x3)

TXS02324RUKR from Texas Instruments, in a QFN-20-EP(3x3). 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 SIM2RST output SIM2 reset output signal referenced to VSIM2 supply voltage
2 VSIM2 power_out LDO output supply voltage for SIM2 card, selectable to 1.8 V or 2.95 V with maximum 50 mA output current
3 VBAT power_in Battery power supply input with voltage range from 2.3 V to 5.5 V
4 GND power_in Ground connection for the device
5 VSIM1 power_out LDO output supply voltage for SIM1 card, selectable to 1.8 V or 2.95 V with maximum 50 mA output current
6 SIM1RST output SIM1 reset output signal referenced to VSIM1 supply voltage
7 SIM1IO bidirectional SIM1 data I/O signal referenced to VSIM1 voltage domain with open-drain output topology
8 SIM1CLK output SIM1 clock output signal referenced to VSIM1 supply voltage with push-pull output topology
9 SIMRST input UICC/SIM reset input signal from baseband processor, referenced to VDDIO
10 SIMCLK input UICC/SIM clock input signal from baseband processor, referenced to VDDIO
11 SIMIO bidirectional UICC/SIM data I/O signal between baseband and selected SIM card, referenced to VDDIO with open-drain output topology
12 VDDIO power_in Power supply for device logic and I/O buffers toward baseband, range 1.7 V to 3.3 V
13 SCL input I2C serial clock input referenced to VDDIO
14 SDA bidirectional I2C serial data I/O line referenced to VDDIO
15 IRQ bidirectional Interrupt signal to baseband referenced to VDDIO, used to set the I2C slave address
16 RSTX input Active-low asynchronous reset input from baseband processor, referenced to VDDIO
17 DNU unconnected Do not use; should not be electrically connected
18 GND power_in Ground connection for the device
19 SIM2CLK output SIM2 clock output signal referenced to VSIM2 supply voltage with push-pull output topology
20 SIM2IO bidirectional SIM2 data I/O signal referenced to VSIM2 voltage domain with open-drain output topology
21 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package QFN-20-EP(3x3)
Category Interface
Pins 21

CAD (KiCad official)

  • Symbol: TXS02324RUKR
  • Footprint: Package_DFN_QFN:UQFN-20-1EP_3x3mm_P0.4mm_EP1.85x1.85mm
  • 3D model: QFN-20-EP(3x3) (KiCad packages3D, STEP)
  • 3D model files: txs02324rukr-etched.step / txs02324rukr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); txs02324rukr.step / txs02324rukr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (25 pp, sha256 6d619ad6525c013d, retrieved 2026-10-03, 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-haiku-4-5-20251001 (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