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YSN8025TS 32.768KHZ

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YXC Crystal Oscillators Real Time Clocks, SOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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YSN8025TS 32.768KHZ

YXC Crystal Oscillators · Real Time Clocks · SOP-14

YSN8025TS 32.768KHZ from YXC Crystal Oscillators, in a SOP-14. 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 T1 input Factory test pin, not to be externally connected in application.
2 SCL input I2C bus serial clock input; logic high requires at least 0.7*VDD and the input must stay within 5.5 V max.
3 FOUT output CMOS 32.768 kHz clock output that is enabled when FOE is high and goes high-impedance (H-Z) when output is stopped.
4 NC unconnected Not connected to any internal IC circuit.
5 TEST input Factory test pin, no external connection required.
6 VDD power_in Positive power supply; interface operating voltage 2.0 V to 5.5 V, timekeeping hold voltage 1.8 V to 5.5 V, with a bypass capacitor of at least 0.1 uF required between VDD and GND.
7 FOE input Controls FOUT output mode: high enables the 32.768 kHz output; logic high requires at least 0.7*VDD and the pin may be left floating or grounded if FOUT is not used.
8 NC unconnected Not connected to any internal IC circuit.
9 NC unconnected Not connected to any internal IC circuit.
10 INT output Open-drain interrupt output for alarm, periodic timer and time-update signals; it is pulled low when active and requires an external pull-up resistor.
11 GND power_in Power supply ground.
12 T2 passive Factory test pin; may be left floating or connected to VDD in application.
13 SDA bidirectional I2C bus data line; N-channel open-drain output that must be connected to a pull-up resistor, with logic high at least 0.7*VDD and maximum 5.5 V.
14 NC unconnected Not connected to any internal IC circuit.

Key specifications

Parameter Value
Manufacturer YXC Crystal Oscillators
Package SOP-14
Category Clock/Timing
Pins 14

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Supply voltage VDD (VDD to GND) VDD -0.3 7 V VDD-GND 7
Input voltage (1), FOE pin Vin1 -0.3 V FOE pin 7
Input voltage (2), SCL and SDA pins Vin2 -0.3 7 V SCL, SDA pins 7
Output voltage (3), FOUT pin Vout1 -0.3 V FOUT pin 7
Output voltage (4), SDA and INT pins Vout2 -0.3 7 V SDA, INT pins 7
Storage temperature T-STG -55 125 ℃ 分散存放，无包装 7
Operating voltage (interface voltage) VDD 2 3 5.5 V 接口电压 7
Temperature compensation voltage V-TEM 2.4 3 5.5 V 温度补偿电压 7
Clock supply voltage V-CLK 1.6 3 5.5 V 7
Operating temperature T-OPR -40 25 85 ℃ 7
Frequency stability Δf/f -3.8 3.8 ppm Ta= 0 to +50℃, VDD=3.0V 7
Frequency stability Δf/f -5 5 ppm Ta= -40 to +85℃, VDD=3.0V 7
Current consumption 1 (Fscl=0 Hz, FOUT off) IDD1 1.8 3.4 uA Fscl=0 Hz; INT=VDD; FOE=GND; VDD=5V 8
Current consumption 2 (Fscl=0 Hz, FOUT off) IDD2 1 2.8 uA Fscl=0 Hz; INT=VDD; FOE=GND; VDD=3V 8
Current consumption 3 (FOUT 32.768 kHz, CL=0 pF) IDD3 4.3 7.5 uA Fscl=0 Hz; INT,FOE=VDD; FOUT 32.768K; CL=0pF; VDD=5V 8
Current consumption 4 (FOUT 32.768 kHz, CL=0 pF) IDD4 2.6 5 uA Fscl=0 Hz; INT,FOE=VDD; FOUT 32.768K; CL=0pF; VDD=3V 8
Current consumption 5 (FOUT 32.768 kHz, CL=30 pF) IDD5 10 22 uA Fscl=0 Hz; INT,FOE=VDD; FOUT 32.768K; CL=30pF; VDD=5V 8
Current consumption 6 (FOUT 32.768 kHz, CL=30 pF) IDD6 7 14 uA Fscl=0 Hz; INT,FOE=VDD; FOUT 32.768K; CL=30pF; VDD=3V 8
High-level input voltage, SCL and SDA pins V_IH2 5.5 V 8
Low-level input voltage, input pins VIL -0.3 V 8
High-level output voltage, FOUT pin VOH1 4.5 5 V VDD=5V, IOH=-1 mA 8
High-level output voltage, FOUT pin VOH2 2.2 3 V VDD=3V, IOH=-1 mA 8
High-level output voltage, FOUT pin VOH3 2.9 3 V VDD=3V, IOH=-100 uA 8
Low-level output voltage, FOUT pin VOL1 0 0.5 V VDD=5V, IOL=1 mA 8
Low-level output voltage, FOUT pin VOL2 0 0.8 V VDD=3V, IOL=1 mA 8
Low-level output voltage, FOUT pin VOL3 0 0.1 V VDD=3V, IOL=100 uA 8
Low-level output voltage, INT pin VOL4 0 0.25 V VDD=5V, IOL=1 mA 8
Low-level output voltage, INT pin VOL5 0 0.4 V VDD=3V, IOL=1 mA 8
Input leakage current, input pins ILK -0.5 0.5 uA VIN = VDD 8
Output leakage current, INT, SDA, FOUT pins IOZ -0.5 0.5 uA VIN=VDD 8
Frequency (nominal) f 32.768 kHz 5

CAD (KiCad official)

  • Symbol: YSN8025TS 32.768KHZ
  • Footprint: Package_SO:SOIC-14_3.9x8.7mm_P1.27mm
  • 3D model: SOP-14 (KiCad packages3D, STEP)
  • 3D model files: ysn8025ts-32-768khz-etched.step / ysn8025ts-32-768khz-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ysn8025ts-32-768khz.step / ysn8025ts-32-768khz.glb are the bare package body.

Provenance

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

  • Datasheet: YXC Crystal Oscillators datasheet (32 pp, sha256 801ea3f55309e99a, retrieved 2026-10-18, tier: lcsc)
  • 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