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Contents

README

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1XSR038400AR5

KDS Daishinku · Temperature Compensated Crystal Oscillators (TCXOs) · SMD3225-4P

1XSR038400AR5 from KDS Daishinku, in a SMD3225-4P. 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 OE input Output enable input: open or H (VIH min VCC0.8) enables the output, L (VIL max VCC0.2) disables the output to high-Z with standby current max 0.01 mA.
2 GND power_in Ground connection.
3 OUT output Oscillation output at 38.400MHz, drives up to 15 pF load, high-Z when OE is L.
4 VCC power_in Supply voltage, +3.0 to +3.6 V recommended (typ. 3.3 V), absolute maximum -0.5 to +5.0 V.

Key specifications

Parameter Value
Manufacturer KDS Daishinku
Package SMD3225-4P
Category Crystals/Oscillators/Resonators
Pins 4

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Frequency Stability ftol -20 20 ppm VCC=+3.3V +/-0.3V, Ta=-10 to +70 deg.C 1
Supply Current ICC 2.5 mA at No Load, #1pin:"H" or open 1
Standby Current I-std 0.01 mA #1pin:"L" 1
Symmetry SYM 45 50 55 % 0.5VCC level, 15pF 1
Rise Time tr 5 ns 0.1VCC to 0.9VCC, 15pF 1
Fall Time tf 5 ns 0.9VCC to 0.1VCC, 15pF 1
Output disable time tplz 150 ns 1
Output enable time tpzl 1 ms 1
Supply Voltage VCC 3 3.3 3.6 V 1
Operating Temperature Range Topr -10 70 deg.C 1
Output Load 15 pF 1
Supply Voltage VCC -0.5 5 V 1
Storage Temperature Range Tstg -40 85 deg.C 1
Nominal Frequency 38.4 MHz Frequency 38.400MHz 1

CAD (KiCad official)

  • Symbol: 1XSR038400AR5
  • Footprint: Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm
  • 3D model: SMD3225-4P (KiCad packages3D, STEP)
  • 3D model files: 1xsr038400ar5-etched.step / 1xsr038400ar5-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 1xsr038400ar5.step / 1xsr038400ar5.glb are the bare package body.

Provenance

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

  • Datasheet: KDS Daishinku datasheet (2 pp, sha256 f63e882809cf95e0, retrieved 2026-10-22, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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