component
JSM1302Z
Public Made by Adomby adom
JSMSEMI Real-time Clocks (RTC), SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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page.json+116−8@@ -1,13 +1,126 @@ {+ "schema_version": 1,+ "type": "component", "slug": "jsm1302z",+ "title": "JSM1302Z",+ "brief": "JSMSEMI Real-time Clocks (RTC), SOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "version": "0.1.0",- "type": "component",- "description": "JSMSEMI Real-time Clocks (RTC), SOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "license": "CC-BY-SA-4.0", "tags": [ "component", "rtc", "jsm1302z" ],+ "component": {+ "mpn": "JSM1302Z",+ "manufacturer": "JSMSEMI",+ "package": "SOP-8",+ "pin_count": 8,+ "category": "RTC",+ "subcategory": "Real-time Clocks (RTC)",+ "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2401051656_JSMSEMI-JSM1302Z_C2997447.pdf",+ "parts": {+ "symbol": "jsm1302z.kicad_sym",+ "footprint": "jsm1302z.kicad_mod",+ "model_3d": "jsm1302z.glb",+ "model_3d_step": "jsm1302z.step",+ "lbr": "jsm1302z.lbr"+ },+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "VCC2",+ "type": "power_in",+ "description": "Primary power supply input (main Vcc). Recommended operating voltage 2.0 V to 5.5 V. When VCC2 exceeds VCC1 + 0.2 V, the device is powered from VCC2 and can source trickle-charge current to VCC1."+ },+ {+ "number": "2",+ "name": "X1",+ "type": "passive",+ "description": "32.768 kHz crystal oscillator connection. Connect a 32.768 kHz crystal between X1 and X2; the crystal's specified load capacitance (CL) should be 6 pF."+ },+ {+ "number": "3",+ "name": "X2",+ "type": "passive",+ "description": "32.768 kHz crystal oscillator connection. Connect a 32.768 kHz crystal between X1 and X2; the crystal's specified load capacitance (CL) should be 6 pF."+ },+ {+ "number": "4",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference (0 V) for the device."+ },+ {+ "number": "5",+ "name": "RST",+ "type": "input",+ "description": "Active-low reset / chip-enable input (labeled with overline on datasheet). Must be driven high to initiate any data transfer and held high for the entire transaction; a low level aborts the transfer and forces the I/O pin to high-impedance. TTL-compatible (VIH \u2265 2.0 V, VIL \u2264 +0.8 V at VCC=5 V)."+ },+ {+ "number": "6",+ "name": "I/O",+ "type": "bidirectional",+ "description": "Serial data input/output pin of the 3-wire interface. Data is clocked in on the rising edge of SCLK and clocked out on the falling edge. Pin goes to high-impedance when RST is low. I/O capacitance is 15 pF typical; leakage up to 500 \u00b5A."+ },+ {+ "number": "7",+ "name": "SCLK",+ "type": "input",+ "description": "Serial clock input for the 3-wire interface, driven by the host microcontroller. Synchronizes data transfers on the I/O pin. Maximum clock frequency 0.5 MHz at VCC=2.5 V and 2.0 MHz at VCC=5 V (DC minimum)."+ },+ {+ "number": "8",+ "name": "VCC1",+ "type": "power_in",+ "description": "Backup power supply input (typically a battery or supercapacitor for timekeeping retention). Also acts as the output of the internal programmable trickle charger sourced from VCC2. When VCC2 + 0.2 V < VCC1, the device is powered from VCC1."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2401051656_JSMSEMI-JSM1302Z_C2997447.pdf",+ "pages": 13,+ "sha256": "6953abaf7cde3cb8",+ "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"+ }+ },+ "metadata": {+ "specs": {+ "Manufacturer": "JSMSEMI",+ "Package": "SOP-8",+ "Category": "RTC",+ "Pins": "8"+ }+ },+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "jsm1302z"+ ],+ "discovery_pitch": "JSM1302Z (JSMSEMI) component page with datasheet-verified CAD.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }, "dependencies": {}, "hero": { "type": "image",@@ -25,10 +138,5 @@ "docs/jsm1302z-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ],- "visibility": "public",- "author": {- "name": "Ray",- "email": "[email protected]"- }+ ] }