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TLC1543CDWR
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Texas Instruments Analog To Digital Converters (ADCs), SOIC-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+56@@ -0,0 +1,56 @@+# TLC1543CDWR++**Texas Instruments** · Analog To Digital Converters (ADCs) · SOIC-20-300mil++TLC1543CDWR from Texas Instruments, in a SOIC-20-300mil. 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 | A0 | input | Analog signal input, internally multiplexed; the driving source impedance should be less than or equal to 1 kΩ. |+| 2 | A1 | input | Analog signal input, internally multiplexed; the driving source impedance should be less than or equal to 1 kΩ. |+| 3 | A2 | input | Analog signal input, internally multiplexed; the driving source impedance should be less than or equal to 1 kΩ. |+| 4 | A3 | input | Analog signal input, internally multiplexed; the driving source impedance should be less than or equal to 1 kΩ. |+| 5 | A4 | input | Analog signal input, internally multiplexed; the driving source impedance should be less than or equal to 1 kΩ. |+| 6 | A5 | input | Analog signal input, internally multiplexed; the driving source impedance should be less than or equal to 1 kΩ. |+| 7 | A6 | input | Analog signal input, internally multiplexed; the driving source impedance should be less than or equal to 1 kΩ. |+| 8 | A7 | input | Analog signal input, internally multiplexed; the driving source impedance should be less than or equal to 1 kΩ. |+| 9 | A8 | input | Analog signal input, internally multiplexed; the driving source impedance should be less than or equal to 1 kΩ. |+| 10 | GND | power_in | Ground return terminal for the internal circuitry; all voltage measurements are referenced to this terminal. |+| 11 | A9 | input | Analog signal input, internally multiplexed; the driving source impedance should be less than or equal to 1 kΩ. |+| 12 | A10 | input | Analog signal input, internally multiplexed; the driving source impedance should be less than or equal to 1 kΩ. |+| 13 | REF- | input | Lower reference voltage, nominally ground, applied to this terminal. |+| 14 | REF+ | input | Upper reference voltage, nominally VCC; the maximum input voltage range is the difference between REF+ and REF-. |+| 15 | CS | input | Chip select; a high-to-low transition resets the internal counters and enables DATA OUT, ADDRESS and I/O CLOCK, and a low-to-high transition disables ADDRESS and I/O CLOCK within a setup time plus two falling edges of the internal system clock. |+| 16 | DATA OUT | tri_state | 3-state serial output of the A/D result, high-impedance when CS is high, MSB first, with the LSB on the ninth falling edge of I/O CLOCK and driven low on the tenth falling edge. |+| 17 | ADDRESS | input | Serial 4-bit address input, MSB first, shifted in on the first four rising edges of I/O CLOCK and ignored for the remainder of the conversion period. |+| 18 | I/O CLOCK | input | Serial input/output clock that loads the address on the first four rising edges, shifts data out on DATA OUT, and transfers conversion control to the internal controller on the tenth falling edge. |+| 19 | EOC | output | End-of-conversion output that goes low on the trailing edge of the tenth I/O CLOCK and returns high when the conversion is complete and data are ready for transfer. |+| 20 | VCC | power_in | Positive supply voltage. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-20-300mil |+| Category | ADC/DAC/Data Conversion |+| Pins | 20 |++## CAD (KiCad official)++- Symbol: `TLC1543CDWR`+- Footprint: `Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm`+- 3D model: SOIC-20-300mil (KiCad packages3D, STEP)+- 3D model files: `tlc1543cdwr-etched.step` / `tlc1543cdwr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tlc1543cdwr.step` / `tlc1543cdwr.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/tlc1543) (37 pp, sha256 `21179f2795a4475c`, retrieved 2026-10-08, 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](docs/tlc1543cdwr-datasheet.pdf)
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the driving source impedance should be less than or equal to 1 kΩ."+ },+ {+ "number": "2",+ "name": "A1",+ "type": "input",+ "description": "Analog signal input, internally multiplexed; the driving source impedance should be less than or equal to 1 kΩ."+ },+ {+ "number": "3",+ "name": "A2",+ "type": "input",+ "description": "Analog signal input, internally multiplexed; the driving source impedance should be less than or equal to 1 kΩ."+ },+ {+ "number": "4",+ "name": "A3",+ "type": "input",+ "description": "Analog signal input, internally multiplexed; the driving source impedance should be less than or equal to 1 kΩ."+ },+ {+ "number": "5",+ "name": "A4",+ "type": "input",+ "description": "Analog signal input, internally multiplexed; the driving source impedance should be less than or equal to 1 kΩ."+ },+ {+ "number": "6",+ "name": "A5",+ "type": "input",+ "description": "Analog signal input, internally multiplexed; the driving source impedance should be less than or equal to 1 kΩ."+ },+ {+ "number": "7",+ "name": "A6",+ "type": "input",+ "description": "Analog signal input, internally multiplexed; 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the maximum input voltage range is the difference between REF+ and REF-."+ },+ {+ "number": "15",+ "name": "CS",+ "type": "input",+ "description": "Chip select; a high-to-low transition resets the internal counters and enables DATA OUT, ADDRESS and I/O CLOCK, and a low-to-high transition disables ADDRESS and I/O CLOCK within a setup time plus two falling edges of the internal system clock."+ },+ {+ "number": "16",+ "name": "DATA OUT",+ "type": "tri_state",+ "description": "3-state serial output of the A/D result, high-impedance when CS is high, MSB first, with the LSB on the ninth falling edge of I/O CLOCK and driven low on the tenth falling edge."+ },+ {+ "number": "17",+ "name": "ADDRESS",+ "type": "input",+ "description": "Serial 4-bit address input, MSB first, shifted in on the first four rising edges of I/O CLOCK and ignored for the remainder of the conversion period."+ },+ {+ "number": "18",+ "name": "I/O CLOCK",+ "type": "input",+ "description": "Serial input/output clock that loads the address on the first four rising edges, shifts data out on DATA OUT, and transfers conversion control to the internal controller on the tenth falling edge."+ },+ {+ "number": "19",+ "name": "EOC",+ "type": "output",+ "description": "End-of-conversion output that goes low on the trailing edge of the tenth I/O CLOCK and returns high when the conversion is complete and data are ready for transfer."+ },+ {+ "number": "20",+ "name": "VCC",+ "type": "power_in",+ "description": "Positive supply voltage."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-haiku-5-5",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: Pin 11 = A9 and pin 12 = A10 are inferred from the DB/DW/J/N top-view label order (which runs from p; Package-level note: the excerpt gives the DW pinout only via the combined DB/DW/J/N top view and the"+ ],+ "pages_sent": 9,+ "cost_usd": 0.0827,+ "at": "2026-10-08T18:57:46"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/tlc1543",+ "pages": 37,+ "sha256": "21179f2795a4475c",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 20,+ "described": 20,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "tlc1543cdwr.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 10.3,+ 12.8,+ 2.75+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "59a10b341e6972b31d81802a048060326da627d8b92dcf4263064f4f62ec808e",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "tlc1543cdwr-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 10.3,+ 12.8,+ 2.75+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "dfe4d9f2e7cd21eb78dc3e53acbe29f7b179144ac1ed3e432db13cd517e1c47a",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}