BY25D80ASTIG

@@ -0,0 +1,58 @@+# BY25D80ASTIG++**BOYAMICRO BY25D80ASTIG R** · NOR FLASH · SOP-8++BY25D80ASTIG from BOYAMICRO BY25D80ASTIG R, 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). Enables the device when driven low; when high the device is deselected, drives SO to high-impedance, and enters Standby Power mode. Should be pulled high to VCC during power-up. |+| 2 | SO/IO1 | bidirectional | Serial Data Output in Standard SPI mode; shifts data out on the falling edge of SCLK. Becomes bidirectional I/O1 during Dual Output Fast Read (3BH) operations. |+| 3 | /WP | input | Write Protect (active low). Together with the Status Register SRP bit places the device in Hardware Protected mode, making the non-volatile Status Register bits read-only. Only used in single-bit SPI mode. |+| 4 | VSS | power_in | Ground reference for the core and I/O. |+| 5 | SI/IO0 | bidirectional | Serial Data Input in Standard SPI mode; data is latched on the rising edge of SCLK. Becomes bidirectional I/O0 during Dual Output Fast Read (3BH) operations. |+| 6 | SCLK | input | Serial Clock. Provides the timing reference for SPI transfers; supports SPI modes 0 and 3. Up to 55 MHz for Normal Read, 108 MHz for Fast/Dual Read. |+| 7 | NC | unconnected | No internal connection. May be left floating or tied to ground; do not use for signal routing. |+| 8 | VCC | power_in | Core and I/O power supply, 2.7 V to 3.6 V. Decouple with 10 nF to 100 nF close to the VCC/VSS pins. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | BOYAMICRO BY25D80ASTIG R |+| Package | SOP-8 |+| Category | Memory |+| Pins | 8 |++## Ordering variants++- `BY25D80ASTIG`+- `BY25D80ASTIGBY25D80ASTCG`+- `BY25D80ASTIGBY25D80ASSIG`+- `BY25D80ASTIGBY25D80ASSCG`+- `BY25D80ASTIGBY25D80ASOIG`+- `BY25D80ASTIGBY25D80ASOCG`+- `BY25D80ASTIGBY25D80ASNIG`+- `BY25D80ASTIGBY25D80ASNCG`+- `BY25D80ASTIGBY25D80ASMIG`+- `BY25D80ASTIGBY25D80ASMCG`+- `BY25D80ASTIGBY25D80ASPIG`+- `BY25D80ASTIGBY25D80ASPCG`++## CAD (KiCad official)++- Symbol: `BY25D80ASTIG`+- 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:** [BOYAMICRO BY25D80ASTIG R datasheet](docs/by25d80astig-datasheet.pdf) (44 pp, sha256 `adc2654280e90880`, 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/by25d80astig-datasheet.pdf)

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