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S3225SMD24MOSC

SST · Crystal Oscillators · SMD3225-4P

S3225SMD24MOSC from SST, 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 INHB input Output state control (tri-state enable): H or open selects normal oscillator output, L (low) puts the output in tri-state (high impedance), and the pin must not be grounded or the oscillator output goes high impedance.
2 Vss power_in Ground (GND) reference pin for the oscillator.
3 QOUT output Oscillator clock output; normal output when enabled, high impedance when INHB is pulled low. Specified as 15pF/HCMOS/TTL compatible load.
4 VDD power_in Supply voltage pin; the datasheet gives an operating voltage of 3.3V±10% (and 1.8V±10% listed as an option).

Key specifications

Parameter Value
Manufacturer SST
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 -20 20 ppm 2
Aging per year (年老化) -5 5 ppm 2
Supply voltage tolerance VDD -10 10 % nominal 3.3 V 2
Input current 10 mA 2
Duty cycle 40 60 % 2
Rise/fall time 8 ns 2
Output low level 0.4 V TTL 2
Output low level 10 %VDD HCMOS 2
Output high level 2.4 V TTL 2
Output high level 90 %VDD HCMOS 2
Startup time (起振时间) 5 ns 2
Storage temperature -40 85 °C 2
Operating temperature -40 85 °C 2
Room-temp frequency change after vibration -10 10 ×10^-6 Vibration 10-55 Hz, 1.5 mm p-p, 30 min in each of 3 perpendicular directions 5
Room-temp frequency change after climatic sequence -10 10 ×10^-6 Climatic sequence: dry heat 100°C, cyclic damp heat, low temp -65°C 5
Room-temp frequency change after steady-state damp heat -10 10 ×10^-6 40°C, 90-95% RH, 10 d 5
Room-temp frequency change after aging -10 10 ×10^-6 85°C ±3°C, 30 d 5
Room-temp frequency change after drop -10 10 ×10^-6 Drop from 50 cm onto 30 mm hardboard, 3 times 5
Nominal frequency 24 MHz 2

CAD (KiCad official)

  • Symbol: S3225SMD24MOSC
  • Footprint: Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm
  • 3D model: SMD3225-4P (KiCad packages3D, STEP)
  • 3D model files: s3225smd24mosc-etched.step / s3225smd24mosc-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); s3225smd24mosc.step / s3225smd24mosc.glb are the bare package body.

Provenance

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

  • Datasheet: SST datasheet (5 pp, sha256 96491e4f2639c9d6, retrieved 2026-10-14, 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