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AT45DB321E-SHF-T
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Dialog Semiconductor Adesto Adesto Technologies NOR FLASH, SOIC-8-208mil. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+53@@ -0,0 +1,53 @@+# AT45DB321E-SHF-T++**Dialog Semiconductor Adesto Adesto Technologies** · NOR FLASH · SOIC-8-208mil++AT45DB321E-SHF-T from Dialog Semiconductor Adesto Adesto Technologies, in a SOIC-8-208mil. 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 write data into the device on the rising edge of SCK. Ignored while CS is deasserted. |+| 2 | SCK | input | Serial Clock. Provides the clock reference for the SPI interface; input data on SI is latched on the rising edge and output data on SO is clocked out on the falling edge. Supports up to 85MHz (RapidS). |+| 3 | RESET | input | Active-low hardware reset. A low level terminates the operation in progress and holds the internal state machine in idle. Internally supported by a power-on reset; if unused, it is recommended to be driven high externally. |+| 4 | CS | input | Active-low Chip Select. Asserting CS selects the device; deasserting places it in standby (not Deep Power-Down) and tri-states SO. A high-to-low transition begins an operation and low-to-high ends it. |+| 5 | WP | input | Active-low Write Protect. When asserted, sectors specified in the Sector Protection Register are protected from program/erase regardless of software-controlled protection. Internally pulled high; recommended to tie to VCC when unused. |+| 6 | VCC | power_in | Device power supply, 2.3V to 3.6V. Operating outside this range may produce spurious results. |+| 7 | GND | power_in | Ground reference for the power supply and I/O. Connect to the system ground. |+| 8 | SO | output | Serial Output (MISO). Shifts data out on the falling edge of SCK; tri-stated (high impedance) when CS is deasserted. Clock-to-output time (tV) is 6ns maximum. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Dialog Semiconductor Adesto Adesto Technologies |+| Package | SOIC-8-208mil |+| Category | Memory |+| Pins | 8 |++## Ordering variants++- `AT45DB321E-SHF-TSHF-B`+- `AT45DB321E-SHF-TSHF-T`+- `AT45DB321E-SHF-TSHF2B-T`+- `AT45DB321E-SHF-TSHFHA-T`+- `AT45DB321E-SHF-TSHFHC-T`+- `AT45DB321E-SHF-TMHF`+- `AT45DB321E-SHF-TCCF`++## CAD (KiCad official)++- Symbol: `AT45DB321E-SHF-T`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOIC-8-208mil (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Dialog Semiconductor Adesto Adesto Technologies datasheet](docs/at45db321e-shf-t-datasheet.pdf) (71 pp, sha256 `ed47d9dfbf033f54`, 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/at45db321e-shf-t-datasheet.pdf)
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