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docs rs2252xtss16: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 5d ago
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rs2252xtss16-etched.fit.json rs2252xtss16: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 5d ago
rs2252xtss16-etched.glb rs2252xtss16: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 5d ago
rs2252xtss16-etched.step rs2252xtss16: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 5d ago
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rs2252xtss16.step Publish 0.1.0 · Ray 1mo ago

RS2252XTSS16

Jiangsu RUNIC Tech · Analog Switches, Multiplexers · TSSOP-16

RS2252XTSS16 from Jiangsu RUNIC Tech, in a TSSOP-16. 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 Y0 bidirectional Analog switch input/output Y0 of the Y multiplexer. Bidirectional analog signal path; on-channel when ENABLE=0 and address B/A=00.
2 Y2 bidirectional Analog switch input/output Y2 of the Y multiplexer. Bidirectional analog signal path; on-channel when ENABLE=0 and B/A=10.
3 Y bidirectional Common terminal of the Y multiplexer. Connects to the selected Y0..Y3 channel when enabled; input and output are interchangeable.
4 Y3 bidirectional Analog switch input/output Y3 of the Y multiplexer. Bidirectional analog signal path; on-channel when ENABLE=0 and B/A=11.
5 Y1 bidirectional Analog switch input/output Y1 of the Y multiplexer. Bidirectional analog signal path; on-channel when ENABLE=0 and B/A=01.
6 ENABLE input Active-low digital enable input (ENABLE̅). When low the addressed channel is on; when high all switches are off. Threshold V_IH=1.7 V min, V_IL=0.5 V max. Normally connected to GND if unused.
7 NC unconnected No connect. Leave floating or tie to any convenient potential.
8 GND power_in Ground reference for both analog and digital sections. Connect to system digital ground.
9 B input Digital address input B (MSB of channel select). Along with A selects which of X0/Y0..X3/Y3 pairs is on when ENABLE=0. V_IH=1.7 V min, V_IL=0.5 V max.
10 A input Digital address input A (LSB of channel select). Along with B selects which of X0/Y0..X3/Y3 pairs is on when ENABLE=0. V_IH=1.7 V min, V_IL=0.5 V max.
11 X3 bidirectional Analog switch input/output X3 of the X multiplexer. Bidirectional analog signal path; on-channel when ENABLE=0 and B/A=11.
12 X0 bidirectional Analog switch input/output X0 of the X multiplexer. Bidirectional analog signal path; on-channel when ENABLE=0 and B/A=00.
13 X bidirectional Common terminal of the X multiplexer. Connects to the selected X0..X3 channel when enabled; input and output are interchangeable.
14 X1 bidirectional Analog switch input/output X1 of the X multiplexer. Bidirectional analog signal path; on-channel when ENABLE=0 and B/A=01.
15 X2 bidirectional Analog switch input/output X2 of the X multiplexer. Bidirectional analog signal path; on-channel when ENABLE=0 and B/A=10.
16 VCC power_in Positive analog and digital supply. Operating range 2.5 V to 5.5 V, absolute max 6 V (to GND). Typical I_CC ≈ 1 µA at 3.3 V, 2 µA max at 5 V.

Key specifications

Parameter Value
Manufacturer Jiangsu RUNIC Tech
Package TSSOP-16
Category Interface
Pins 16

Ordering variants

Same part, different packaging or reel option.

  • RS2252XTSS16
  • RS2252XTSS16XS16
  • RS2252XTSS16XSS16
  • RS2252XTSS16XTQC16

CAD (KiCad official)

  • Symbol: RS2252XTSS16
  • Footprint: Package_SO:TSSOP-16_4.4x5mm_P0.65mm
  • 3D model: TSSOP-16 (KiCad packages3D, STEP)
  • 3D model files: rs2252xtss16-etched.step / rs2252xtss16-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); rs2252xtss16.step / rs2252xtss16.glb are the bare package body.

3D model downloads

Two STEP files. Same geometry, different body top:

File Size Use it when
rs2252xtss16.step 205 KB You want the bare part, or you mark your own boards.
rs2252xtss16-etched.step 3.2 MB You want the part with RS2252XTSS16 already on it.

The marking in the etched file is real recessed geometry cut into the solid, not a texture or a decal: 757 faces against 255 in the bare model. It survives export, section views, and rendering in any CAD tool, and it drops straight into KiCad or Fusion with no extra setup.

Provenance

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

  • Datasheet: Jiangsu RUNIC Tech datasheet (13 pp, sha256 4973678ce4a281e5, retrieved 2026-08-17, tier: lcsc)
  • 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).

Datasheet PDF