component

HT1307ANZ

Public Made by Adom

by adom

HTCSEMI Real Time Clocks, DIP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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HT1307ANZ

HTCSEMI · Real Time Clocks · DIP-8

HT1307ANZ from HTCSEMI, in a DIP-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 X1 input Connection pin for the quartz resonator (32.768 kHz crystal, with load capacitance CLX of 12.5 pF per the datasheet timing table).
2 X2 input Connection pin for the quartz resonator, paired with X1 (load capacitance CLX of 12.5 pF per the datasheet timing table).
3 VBAT power_in Battery input pin; the stated normal battery voltage range is 2.0 V to 3.5 V, with an absolute limit of -0.5 V to 7.0 V.
4 GND power_in Ground pin; all datasheet voltages are referenced to ground.
5 SDA bidirectional Serial data input/output for the two-wire bus; low-level output voltage is at most 0.4 V at 5 mA, and I/O capacitance is 10 pF max.
6 SCL input Input for the serial bus clock; bus clock frequency is 0 to 100 kHz (normal mode only), and input leakage is limited to 1 µA.
7 SQW/OUT output Programmable rectangular-wave output selectable as 1 Hz, 4.096 kHz, 8.192 kHz or 32.768 kHz via the RS bits, with output-low voltage of at most 0.4 V.
8 VCC power_in Main power supply pin; the normal operating supply range is 4.5 V to 5.5 V, with an absolute limit of -0.5 V to 7.0 V.

Key specifications

Parameter Value
Manufacturer HTCSEMI
Package DIP-8
Category Clock/Timing
Pins 8

CAD (KiCad official)

  • Symbol: HT1307ANZ
  • Footprint: Package_DIP:DIP-8_W7.62mm
  • 3D model: DIP-8 (KiCad packages3D, STEP)
  • 3D model files: ht1307anz-etched.step / ht1307anz-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ht1307anz.step / ht1307anz.glb are the bare package body.

Provenance

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

  • Datasheet: HTCSEMI datasheet (10 pp, sha256 acb496f98c622179, retrieved 2026-10-13, 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