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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README.md+14@@ -37,6 +37,20 @@ JSM1302Z from JSMSEMI, in a SOP-8. Pinout and pin descriptions extracted from th - Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm` - 3D model: SOP-8 (KiCad packages3D, STEP) +## 3D model downloads++Two STEP files. Same geometry, different body top:++| File | Size | Use it when |+|---|---|---|+| [`jsm1302z.step`](jsm1302z.step) | 122 KB | You want the bare part, or you mark your own boards. |+| [`jsm1302z-etched.step`](jsm1302z-etched.step) | 1.9 MB | You want the part with `JSM1302Z` already on it. |++The marking in the etched file is real recessed geometry cut into the solid, not a+texture or a decal: 459 faces against 147 in the bare model. It+survives export, section views, and rendering in any CAD tool, and it drops straight+into KiCad or Fusion with no extra setup.+ ## Provenance Data extracted from the manufacturer datasheet, not a distributor listing:
package.json+1−1@@ -1,6 +1,6 @@ { "slug": "jsm1302z",- "version": "0.1.0",+ "version": "0.2.0", "type": "component", "description": "JSMSEMI Real-time Clocks (RTC), SOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "tags": [
page.json+7−7@@ -4,7 +4,7 @@ "slug": "jsm1302z", "title": "JSM1302Z", "brief": "JSMSEMI Real-time Clocks (RTC), SOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",- "version": "0.1.0",+ "version": "0.2.0", "license": "CC-BY-SA-4.0", "tags": [ "component",@@ -58,13 +58,13 @@ "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)."+ "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 ≥ 2.0 V, VIL ≤ +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."+ "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 µA." }, { "number": "7",@@ -150,9 +150,9 @@ "docs/hero.png", "docs/jsm1302z-datasheet.pdf", "viewers/symbol.html",- "viewers/footprint.html"+ "viewers/footprint.html",+ "pads.json" ],- "visibility": {- "public": true- }+ "visibility": "public",+ "description": "JSMSEMI Real-time Clocks (RTC), SOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D." }