component
DS1302N
Public Made by Adomby adom
XBLW Real Time Clocks, DIP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
← Commit history
README.mdadded+44@@ -0,0 +1,44 @@+# DS1302N++**XBLW** · Real Time Clocks · DIP-8++DS1302N from XBLW, in a DIP-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 | VCC2 | power_in | Primary power-supply pin in dual-supply configuration; powers the DS1302 when VCC2 > VCC1 + 0.2V; otherwise VCC1 powers the device; operates from 2.0V to 5.5V. |+| 2 | X1 | passive | Crystal input connection for standard 32.768kHz quartz crystal with 6pF specified load capacitance; receives external oscillator signal when an external 32.768kHz oscillator is used (X2 floated in that configuration). |+| 3 | X2 | passive | Crystal output connection for standard 32.768kHz quartz crystal with 6pF specified load capacitance; floated when an external oscillator drives X1. |+| 4 | GND | power_in | Ground reference; all pin voltages referenced to ground. |+| 5 | CE | input | Chip enable input; must be asserted high during a read or write; has an internal 40kΩ (typ) pulldown resistor to ground; formerly named RST with no functional change. |+| 6 | I/O | bidirectional | Bidirectional serial data pin for the 3-wire interface; transfers data to and from the DS1302 in single-byte or burst mode; has an internal 40kΩ (typ) pulldown resistor to ground. |+| 7 | SCLK | input | Serial clock input used to synchronize data movement on the 3-wire serial interface; has an internal 40kΩ (typ) pulldown resistor to ground. |+| 8 | VCC1 | power_in | Low-power backup supply pin; rechargeable energy source connected here when trickle charger is used; UL recognized to prevent reverse charging current when used with a lithium battery; powers DS1302 when VCC1 > VCC2; operates from 2.0V to 5.5V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | XBLW |+| Package | DIP-8 |+| Category | Clock/Timing |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `DS1302N`+- Footprint: `Package_DIP:DIP-8_W7.62mm`+- 3D model: DIP-8 (KiCad packages3D, STEP)+- 3D model files: `ds1302n-etched.step` / `ds1302n-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ds1302n.step` / `ds1302n.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [XBLW datasheet](docs/ds1302n-datasheet.pdf) (16 pp, sha256 `4dffa2998571d25e`, retrieved 2026-09-22, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-sonnet-4-6` (vision), consensus `claude-opus-4-7` (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/ds1302n-datasheet.pdf)
page.jsonadded+143@@ -0,0 +1,143 @@+{+ "slug": "ds1302n",+ "version": "0.1.0",+ "type": "component",+ "description": "XBLW Real Time Clocks, DIP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "clock-timing",+ "ds1302n",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "ds1302n.kicad_sym",+ "ds1302n.kicad_mod",+ "ds1302n.glb",+ "ds1302n.step",+ "ds1302n.lbr",+ "docs/hero.png",+ "docs/ds1302n-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "DS1302N",+ "manufacturer": "XBLW",+ "package": "DIP-8",+ "pin_count": 8,+ "category": "Clock/Timing",+ "subcategory": "Real Time Clocks",+ "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/1f7d5a21c3fdba48e064a41f8443555b.pdf",+ "parts": {+ "symbol": "ds1302n.kicad_sym",+ "footprint": "ds1302n.kicad_mod",+ "model_3d": "ds1302n-etched.glb",+ "model_3d_plain": "ds1302n.glb",+ "model_3d_step": "ds1302n-etched.step",+ "model_3d_step_plain": "ds1302n.step",+ "lbr": "ds1302n.lbr"+ },+ "distributor_links": {+ "lcsc": "C42395632"+ },+ "pins": [+ {+ "number": "1",+ "name": "VCC2",+ "type": "power_in",+ "description": "Primary power-supply pin in dual-supply configuration; powers the DS1302 when VCC2 > VCC1 + 0.2V; otherwise VCC1 powers the device; operates from 2.0V to 5.5V."+ },+ {+ "number": "2",+ "name": "X1",+ "type": "passive",+ "description": "Crystal input connection for standard 32.768kHz quartz crystal with 6pF specified load capacitance; receives external oscillator signal when an external 32.768kHz oscillator is used (X2 floated in that configuration)."+ },+ {+ "number": "3",+ "name": "X2",+ "type": "passive",+ "description": "Crystal output connection for standard 32.768kHz quartz crystal with 6pF specified load capacitance; floated when an external oscillator drives X1."+ },+ {+ "number": "4",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference; all pin voltages referenced to ground."+ },+ {+ "number": "5",+ "name": "CE",+ "type": "input",+ "description": "Chip enable input; must be asserted high during a read or write; has an internal 40kΩ (typ) pulldown resistor to ground; formerly named RST with no functional change."+ },+ {+ "number": "6",+ "name": "I/O",+ "type": "bidirectional",+ "description": "Bidirectional serial data pin for the 3-wire interface; transfers data to and from the DS1302 in single-byte or burst mode; has an internal 40kΩ (typ) pulldown resistor to ground."+ },+ {+ "number": "7",+ "name": "SCLK",+ "type": "input",+ "description": "Serial clock input used to synchronize data movement on the 3-wire serial interface; has an internal 40kΩ (typ) pulldown resistor to ground."+ },+ {+ "number": "8",+ "name": "VCC1",+ "type": "power_in",+ "description": "Low-power backup supply pin; rechargeable energy source connected here when trickle charger is used; UL recognized to prevent reverse charging current when used with a lithium battery; powers DS1302 when VCC1 > VCC2; operates from 2.0V to 5.5V."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.2",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.2",+ "primary_model": "claude-sonnet-4-6",+ "primary_mode": "vision",+ "consensus_model": "claude-opus-4-7",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "vision extraction: provenance cannot be text-verified; needs consensus"+ ],+ "pages_sent": 12,+ "cost_usd": 0.1966,+ "at": "2026-09-22T10:55:38"+ },+ "datasheet": {+ "url": "https://datasheet.lcsc.com/datasheet/pdf/1f7d5a21c3fdba48e064a41f8443555b.pdf",+ "pages": 16,+ "sha256": "4dffa2998571d25e",+ "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]"+ }+}