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ATSHA204A-SSHDA-B
Public Made by Adomby adom
Microchip Security Verification / Encryption ICs, SOIC-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+57@@ -0,0 +1,57 @@+# ATSHA204A-SSHDA-B++**Microchip** · Security Verification / Encryption ICs · SOIC-8++ATSHA204A-SSHDA-B from Microchip, in a SOIC-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 | NC | unconnected | No connect. Leave floating or tie to ground; not internally bonded. |+| 2 | NC | unconnected | No connect. Leave floating or tie to ground; not internally bonded. |+| 3 | NC | unconnected | No connect. Leave floating or tie to ground; not internally bonded. |+| 4 | GND | power_in | Ground reference for the device. Connect to the system ground plane. |+| 5 | SDA | bidirectional | I2C serial data, open-drain. Requires an external pull-up resistor to VCC (typically 4.7kΩ-10kΩ). Supports I2C speeds up to 1Mb/s. |+| 6 | SCL | input | I2C serial clock input. Requires an external pull-up resistor to VCC. Supports clock rates up to 1MHz. |+| 7 | NC | unconnected | No connect. Leave floating or tie to ground; not internally bonded. |+| 8 | VCC | power_in | Positive supply voltage, 2.0V to 5.5V. Bypass to GND with a 0.1µF ceramic capacitor placed close to the pin. Communications voltage range is 1.8V-5.5V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Microchip |+| Package | SOIC-8 |+| Category | Interface |+| Pins | 8 |++## Ordering variants++- `ATSHA204A-SSHDA-BSSHDA-B`+- `ATSHA204A-SSHDA-BSSHDA-T`+- `ATSHA204A-SSHDA-BSSHCZ-T`+- `ATSHA204A-SSHDA-BXHDA-T`+- `ATSHA204A-SSHDA-BXHCZ-T`+- `ATSHA204A-SSHDA-BMAHDA-T`+- `ATSHA204A-SSHDA-BMAHCZ-T`+- `ATSHA204A-SSHDA-BMXHDA-T`+- `ATSHA204A-SSHDA-BMXHCZ-T`+- `ATSHA204A-SSHDA-BSTUCZ-T`+- `ATSHA204A-SSHDA-BRBHCZ-T`++## CAD (KiCad official)++- Symbol: `ATSHA204A-SSHDA-B`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOIC-8 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Microchip datasheet](docs/atsha204a-sshda-b-datasheet.pdf) (82 pp, sha256 `3b95573a6323cd85`, retrieved 2026-08-17, tier: manufacturer)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/atsha204a-sshda-b-datasheet.pdf)
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