component
HT1302ARSZ
Public Made by Adomby adom
HTCSEMI Real Time Clocks, SOP-8-208mil. Datasheet-verified pinout, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownHT1302ARSZ
HTCSEMI · Real Time Clocks · SOP-8-208mil
HT1302ARSZ from HTCSEMI, in a SOP-8-208mil. 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 | VCC2 | power_in | Primary power-supply pin in dual supply configuration; operates from the larger of VCC1 or VCC2 when VCC2 is greater than VCC1 + 0.2V. |
| 2 | X1 | passive | Connection for standard 32.768kHz quartz crystal with specified load capacitance of 6pF; can also be driven by external 32.768kHz oscillator. |
| 3 | X2 | passive | Connection for standard 32.768kHz quartz crystal with specified load capacitance of 6pF; floated when using external oscillator. |
| 4 | GND | power_in | Ground connection. |
| 5 | CE | input | Input; CE signal must be asserted high during a read or write operation; has internal 40kΩ typical pulldown resistor to ground. |
| 6 | I/O | bidirectional | Bidirectional data pin for the 3-wire serial interface; has internal 40kΩ typical pulldown resistor to ground. |
| 7 | SCLK | input | Input; synchronizes data movement on the serial interface; has internal 40kΩ typical pulldown resistor to ground. |
| 8 | VCC1 | power_in | Low-power supply pin for single supply, battery-operated systems, and battery backup operation; rechargeable energy source connected here in trickle-charge systems. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | HTCSEMI |
| Package | SOP-8-208mil |
| Category | Clock/Timing |
| Pins | 8 |
CAD (KiCad official)
- Symbol:
HT1302ARSZ - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOP-8-208mil (KiCad packages3D, STEP)
- 3D model files:
ht1302arsz-etched.step/ht1302arsz-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ht1302arsz.step/ht1302arsz.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: HTCSEMI datasheet (14 pp, sha256
1f255b9dfac92cfc, retrieved 2026-09-18, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-4-6(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).