component
DS1307M
Public Made by Adomby adom
HGSEMI Real Time Clocks, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+45@@ -0,0 +1,45 @@+# DS1307M++**HGSEMI** · Real Time Clocks · SOP-8++DS1307M from HGSEMI, in a SOP-8. 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 | X1 | passive | 32.768 kHz crystal connection pin with 12.5 pF specified load capacitance, or external oscillator input |+| 2 | X2 | passive | 32.768 kHz crystal connection pin; leave floating when external oscillator is connected to X1 |+| 3 | VBAT | power_in | Battery backup power supply input; operating voltage 2.0 V to 3.5 V |+| 4 | GND | power_in | Ground reference potential |+| 5 | SDA | bidirectional | I2C serial data input/output; open-drain pin requires external pull-up resistor |+| 6 | SCL | bidirectional | I2C serial clock input; open-drain pin requires external pull-up resistor and supports 0 to 100 kHz frequency |+| 7 | SQW/OUT | tri_state | Programmable square wave output or fixed logic level; selectable frequencies 1 Hz/4.096 kHz/8.192 kHz/32.768 kHz; open-drain requires external pull-up resistor |+| 8 | VCC | power_in | Power supply input; operating voltage range 4.5 V to 5.5 V with typical 5.0 V |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | HGSEMI |+| Package | SOP-8 |+| Category | Clock/Timing |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `DS1307M`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOP-8 (KiCad packages3D, STEP)+- 3D model files: `ds1307m-etched.step` / `ds1307m-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ds1307m.step` / `ds1307m.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [HGSEMI datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756372549431508992) (14 pp, sha256 `99d95856b4d3f840`, retrieved 2026-09-17, 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 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-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).++[Datasheet PDF](docs/ds1307m-datasheet.pdf)
page.jsonadded+141@@ -0,0 +1,141 @@+{+ "slug": "ds1307m",+ "version": "0.1.0",+ "type": "component",+ "description": "HGSEMI Real Time Clocks, SOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "clock-timing",+ "ds1307m",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "ds1307m.kicad_sym",+ "ds1307m.kicad_mod",+ "ds1307m.glb",+ "ds1307m.step",+ "ds1307m.lbr",+ "docs/hero.png",+ "docs/ds1307m-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "DS1307M",+ "manufacturer": "HGSEMI",+ "package": "SOP-8",+ "pin_count": 8,+ "category": "Clock/Timing",+ "subcategory": "Real Time Clocks",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756372549431508992",+ "parts": {+ "symbol": "ds1307m.kicad_sym",+ "footprint": "ds1307m.kicad_mod",+ "model_3d": "ds1307m-etched.glb",+ "model_3d_plain": "ds1307m.glb",+ "model_3d_step": "ds1307m-etched.step",+ "model_3d_step_plain": "ds1307m.step",+ "lbr": "ds1307m.lbr"+ },+ "distributor_links": {+ "lcsc": "C356706"+ },+ "pins": [+ {+ "number": "1",+ "name": "X1",+ "type": "passive",+ "description": "32.768 kHz crystal connection pin with 12.5 pF specified load capacitance, or external oscillator input"+ },+ {+ "number": "2",+ "name": "X2",+ "type": "passive",+ "description": "32.768 kHz crystal connection pin; leave floating when external oscillator is connected to X1"+ },+ {+ "number": "3",+ "name": "VBAT",+ "type": "power_in",+ "description": "Battery backup power supply input; operating voltage 2.0 V to 3.5 V"+ },+ {+ "number": "4",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference potential"+ },+ {+ "number": "5",+ "name": "SDA",+ "type": "bidirectional",+ "description": "I2C serial data input/output; open-drain pin requires external pull-up resistor"+ },+ {+ "number": "6",+ "name": "SCL",+ "type": "bidirectional",+ "description": "I2C serial clock input; open-drain pin requires external pull-up resistor and supports 0 to 100 kHz frequency"+ },+ {+ "number": "7",+ "name": "SQW/OUT",+ "type": "tri_state",+ "description": "Programmable square wave output or fixed logic level; selectable frequencies 1 Hz/4.096 kHz/8.192 kHz/32.768 kHz; open-drain requires external pull-up resistor"+ },+ {+ "number": "8",+ "name": "VCC",+ "type": "power_in",+ "description": "Power supply input; operating voltage range 4.5 V to 5.5 V with typical 5.0 V"+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.2",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.2",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-4-6",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [],+ "pages_sent": 14,+ "cost_usd": 0.2126,+ "at": "2026-09-17T22:53:56"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756372549431508992",+ "pages": 14,+ "sha256": "99d95856b4d3f840",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 8,+ "described": 8,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}