W25Q256JVFIQ

@@ -0,0 +1,62 @@+# W25Q256JVFIQ++**Winbond Elec** · NOR FLASH · SOIC-16-300mil++W25Q256JVFIQ from Winbond Elec, in a SOIC-16-300mil. 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 | /HOLD or /RESET (IO3) | bidirectional | Multi-function pin. In Standard/Dual SPI acts as active-low /HOLD (pauses device while /CS is low; DO goes hi-Z and DI/CLK ignored). In Quad SPI (QE=1) becomes bidirectional data line IO3. On -IQ ordering variants (this MPN) /HOLD is disabled and QE=1 is fixed. |+| 2 | VCC | power_in | Power supply pin. Operating range 2.7 V to 3.6 V. /CS input must track VCC at power-up and power-down. |+| 3 | /RESET | input | Dedicated active-low hardware reset input. Driving it low for a minimum of ~1 µs terminates any external or internal operation and returns the device to its power-on state. If unused, can be left floating or tied to VCC. |+| 4 | NC | unconnected | No connect. Leave floating. |+| 5 | NC | unconnected | No connect. Leave floating. |+| 6 | NC | unconnected | No connect. Leave floating. |+| 7 | /CS | input | Active-low SPI chip select input. When high, device is deselected and DO/IOx are high impedance (standby). Driving low selects the device for instructions. Must transition high-to-low before each new instruction and track VCC at power-up/down; an external pull-up is recommended. |+| 8 | DO (IO1) | bidirectional | Serial Data Output in Standard SPI (unidirectional, updated on falling edge of CLK). In Dual/Quad SPI becomes bidirectional data line IO1. |+| 9 | /WP (IO2) | bidirectional | Active-low Write Protect input in Standard/Dual SPI; when used with the CMP, SEC, TB, BP0-BP2 and SRP bits, prevents Status Register or memory-array writes. In Quad SPI (QE=1) becomes bidirectional data line IO2. |+| 10 | GND | power_in | Device ground return. |+| 11 | NC | unconnected | No connect. Leave floating. |+| 12 | NC | unconnected | No connect. Leave floating. |+| 13 | NC | unconnected | No connect. Leave floating. |+| 14 | NC | unconnected | No connect. Leave floating. |+| 15 | DI (IO0) | bidirectional | Serial Data Input in Standard SPI (unidirectional, sampled on rising edge of CLK for instructions, addresses, and program data). In Dual/Quad SPI becomes bidirectional data line IO0. |+| 16 | CLK | input | SPI Serial Clock input providing timing for serial input and output operations. Supports up to 133 MHz. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Winbond Elec |+| Package | SOIC-16-300mil |+| Category | Memory |+| Pins | 16 |++## Ordering variants++- `W25Q256JVFIQFIQ`+- `W25Q256JVFIQFIM`+- `W25Q256JVFIQEIQ`+- `W25Q256JVFIQEIM`+- `W25Q256JVFIQBIQ`+- `W25Q256JVFIQBIM`+- `W25Q256JVFIQCIQ`+- `W25Q256JVFIQCIM`++## CAD (KiCad official)++- Symbol: `W25Q256JVFIQ`+- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`+- 3D model: SOIC-16-300mil (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Winbond Elec datasheet](docs/w25q256jvfiq-datasheet.pdf) (92 pp, sha256 `0f18a76476aee735`, 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/w25q256jvfiq-datasheet.pdf)

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