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CDCS503TPWRQ1

Public Made by Adom

by adom

Texas Instruments Clock Buffers, Drivers, TSSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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CDCS503TPWRQ1

Texas Instruments · Clock Buffers, Drivers · TSSOP-8

CDCS503TPWRQ1 from Texas Instruments, in a TSSOP-8. 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 IN input LVCMOS clock input accepting a 3.3-V LVCMOS signal; input frequency is 8 to 32 MHz with FS = 0 and 8 to 27 MHz with FS = 1, and VIL is at most 0.3 VDD while VIH is at least 0.7 VDD.
2 SSC_SEL 0 input Spread-spectrum selection pin with internal pullup that, together with SSC_SEL 1, selects 0%, ±0.5%, ±1% or ±2% center spread.
3 SSC_SEL 1 input Spread-spectrum selection pin with internal pullup that, together with SSC_SEL 0, selects 0%, ±0.5%, ±1% or ±2% center spread.
4 GND power_in Ground reference for the device.
5 FS input Frequency multiplication selection pin with internal pullup; FS = 0 gives x1 output (fOUT 8 to 32 MHz) and FS = 1 gives x4 output (fOUT 32 to 108 MHz).
6 OUT output LVCMOS clock output that drives 15 pF test load with IOH/IOL of ±12 mA and goes to high-impedance when OE is low.
7 OE input Output enable pin with internal pullup; driving it low places OUT in the high-impedance (tri-state) condition.
8 VDD power_in 3.3-V power supply, operating range 3.0 V to 3.6 V.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package TSSOP-8
Category RTC/Clock Chip
Pins 8

CAD (KiCad official)

  • Symbol: CDCS503TPWRQ1
  • Footprint: Package_SO:TSSOP-8_3x3mm_P0.65mm
  • 3D model: TSSOP-8 (KiCad packages3D, STEP)
  • 3D model files: cdcs503tpwrq1-etched.step / cdcs503tpwrq1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cdcs503tpwrq1.step / cdcs503tpwrq1.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (16 pp, sha256 6e3887bd0be5c41d, retrieved 2026-10-07, 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-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