W25Q80JVSNIQ

W25Q80JVSNIQ is Winbond’s 8-Mbit serial NOR flash memory (W25Q family). It provides a SPI-compatible interface (standard SPI plus optional Dual/Quad I/O modes) for high-speed data transfer and firmware storage in embedded systems.
Key points:
- Capacity: 8 Mbit (1 MB)
- Interface: SPI-compatible; supports standard, dual, and quad I/O reads
- Voltage: 2.7–3.6 V
- Organization: 1,048,576 bytes with 256-byte pages; erase units include small sectors (4 KB) and larger blocks (64 KB)
- Speed: read clocks up to about 104 MHz (Quad I/O modes offer higher throughput)
- Features: status register with busy flag, write protection, and deep-power-down mode
- Applications: boot ROMs, firmware storage, data logging, and SPI-based storage for microcontrollers
- Package: compact 8-pin package (RoHS)
Note: for exact timing, electrical specs, and pinout, consult the official Winbond W25Q80JVSNIQ datasheet.

Equivalent products (8 Mbit SPI NOR flash, 3V3, similar timing) from other vendors:
- Macronix MX25L8006E / MX25L8006F
- Gigadevice GD25Q80C / GD25Q80B
- Spansion/Cypress S25FL080P
- ISSI IS25LP080D
- Puya P25Q80U
These are common drop-in alternatives to Winbond W25Q80JVSNIQ for SPI flash needs.

W25Q80JVSNIQ features:
- 8 Mbit (1 Mbyte) serial flash memory
- 2.7–3.6 V operation; 8-pin package; industrial temp variant (-40 to 85°C)
- SPI interface with Standard SPI, Dual I/O, and Quad I/O read modes
- 24-bit addressing; 256-byte page programming; 256-byte page buffer
- Erase options: 4 KB sectors; 32 KB and 64 KB blocks; chip erase
- Uniform memory organization: 1,048,576 bytes total
- Fast/high-speed read via Dual/Quad I/O modes
- Low power modes: Deep Power-Down and standby
- Data protection features: block protection, WP# and related protection mechanisms
- Ready/Busy and reliable operation for embedded applications

- Pin count: 8 pins (SOIC/SOP-8 package).
- Function: Winbond W25Q80JVSNQI is an 8‑Mbit serial NOR flash memory with an SPI interface used for non-volatile storage. It supports standard SPI read/write/erase operations (e.g., Read, Fast Read, Page Program, Block Erase). Typical pins include VCC, GND, CS, SCK, SI (MOSI), SO (MISO), WP#, and HOLD#.

- Manufacturer: Winbond Electronics Corp. (Winbond)
- What kind of company: A Taiwan-based semiconductor company that designs and manufactures memory ICs (notably NOR flash and DRAM) for embedded systems and consumer electronics; a leading global flash memory supplier.

W25Q80JVSNIQ is an 8 Mbit SPI NOR flash memory. Typical applications include:
- Firmware storage, boot loaders, and code shadow for microcontrollers/SoCs
- External program/data storage for embedded systems and consumer electronics (routers, set-top boxes, printers, cameras, media players)
- Configuration, calibration data, and small lookup tables for automotive, industrial, and IoT devices
- Firmware update storage and secure boot support, with parameter blocks and logs
- Storage of graphics assets, fonts, and lightweight file data for displays and HMI interfaces
These uses leverage its small footprint, SPI interface, and non-volatile storage.

8-pin SOP (SOIC) package.