AT25SF081B-SSHD-T

@@ -0,0 +1,56 @@+# AT25SF081B-SSHD-T++**Dialog Semiconductor Adesto Adesto Technologies** · NOR FLASH · SOP-8++AT25SF081B-SSHD-T from Dialog Semiconductor Adesto Adesto Technologies, in a SOP-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 | CS# | input | Chip Select (active low). Asserting CS# selects the device; deasserting it places the device in standby. A high-to-low transition starts an operation; a low-to-high transition ends it. |+| 2 | SO/IO1 | bidirectional | Serial Output in standard SPI mode; data clocked out on falling edge of SCK. Becomes bidirectional IO1 in Dual-Output and Quad-Output/IO modes. High-impedance when CS# is deasserted. |+| 3 | WP#/IO2 | bidirectional | Write Protect (active low) controls the hardware locking feature. Becomes IO2 during Quad-Input Byte/Page Program and Quad-Output Read commands. Internally pulled-high; recommended to tie externally to VCC when Quad mode not used. |+| 4 | GND | power_in | Ground reference for the power supply. Connect to system ground. |+| 5 | SI/IO0 | bidirectional | Serial Input for all commands and address sequences; data latched on rising edge of SCK. Becomes bidirectional IO0 in Dual/Quad-Output Read and Dual/Quad-I/O modes. Ignored when CS# is deasserted. |+| 6 | SCK | input | Serial Clock. Command, address, and input data are latched on the rising edge; output data on SO is clocked out on the falling edge. Supports up to 108 MHz. |+| 7 | HOLD#/IO3 | bidirectional | Hold (active low) temporarily pauses serial communication without deselecting the device; SO goes high-impedance while asserted. Becomes IO3 during Quad-Input Byte/Page Program and Quad-Output Read commands. Internally pulled-high; recommended to tie externally to VCC when Hold not used. |+| 8 | VCC | power_in | Device power supply. AT25SF081B-SSHD variant operates at 2.5 V to 3.6 V (industrial -40 to +85 °C). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Dialog Semiconductor Adesto Adesto Technologies |+| Package | SOP-8 |+| Category | Memory |+| Pins | 8 |++## Ordering variants++- `AT25SF081B-SSHD-TSSHB-B`+- `AT25SF081B-SSHD-TSSHB-T`+- `AT25SF081B-SSHD-TSSHD-B`+- `AT25SF081B-SSHD-T`+- `AT25SF081B-SSHD-TSHB-B`+- `AT25SF081B-SSHD-TSHB-T`+- `AT25SF081B-SSHD-TSHD-B`+- `AT25SF081B-SSHD-TMAHB-T`+- `AT25SF081B-SSHD-TMAHD-T`+- `AT25SF081B-SSHD-TDWF`++## CAD (KiCad official)++- Symbol: `AT25SF081B-SSHD-T`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOP-8 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Dialog Semiconductor Adesto Adesto Technologies datasheet](docs/at25sf081b-sshd-t-datasheet.pdf) (59 pp, sha256 `43b1cef43a64c40c`, 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/at25sf081b-sshd-t-datasheet.pdf)

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