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AT45DB021E-SSHN-T
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Dialog Semiconductor Adesto Adesto Technologies NOR FLASH, SOIC-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+53@@ -0,0 +1,53 @@+# AT45DB021E-SSHN-T++**Dialog Semiconductor Adesto Adesto Technologies** · NOR FLASH · SOIC-8++AT45DB021E-SSHN-T from Dialog Semiconductor Adesto Adesto Technologies, 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 | SI | input | Serial Input (MOSI). Shifts command, address, and data into the device; latched on the rising edge of SCK. Ignored when CS is deasserted (high). |+| 2 | SCK | input | Serial Clock. Provides the clock reference for the SPI interface; SI is latched on the rising edge and SO changes on the falling edge. |+| 3 | ~RESET~ | input | Reset (active low). A low state terminates the operation in progress and resets the internal state machine to idle. Recommended to be driven high externally if unused. |+| 4 | ~CS~ | input | Chip Select (active low). Asserting CS enables the device; deasserting places the device in standby mode and tri-states the SO output. |+| 5 | ~WP~ | input | Write Protect (active low). When asserted, sectors specified for protection by the Sector Protection Register are protected against program/erase. Internally pulled high; recommended to tie to VCC when unused. |+| 6 | VCC | power_in | Device power supply. Operating range 1.65V to 3.6V. |+| 7 | GND | power_in | Ground reference for the power supply. Connect to system ground. |+| 8 | SO | output | Serial Output (MISO). Data is clocked out on the falling edge of SCK. High-impedance when CS is deasserted. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Dialog Semiconductor Adesto Adesto Technologies |+| Package | SOIC-8 |+| Category | Memory |+| Pins | 8 |++## Ordering variants++- `AT45DB021E-SSHN-TSSH`+- `AT45DB021E-SSHN-TSSHN`+- `AT45DB021E-SSHN-TSSHN-T`+- `AT45DB021E-SSHN-TSSHN-B`+- `AT45DB021E-SSHN-TSH`+- `AT45DB021E-SSHN-TMH`+- `AT45DB021E-SSHN-TCN`++## CAD (KiCad official)++- Symbol: `AT45DB021E-SSHN-T`+- 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:** [Dialog Semiconductor Adesto Adesto Technologies datasheet](docs/at45db021e-sshn-t-datasheet.pdf) (68 pp, sha256 `db6fabc37825965c`, retrieved 2026-08-17, tier: lcsc)+- **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/at45db021e-sshn-t-datasheet.pdf)
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