W25Q32BVSSBG

The W25Q32BVSSBG is Winbond’s 32‑Mbit serial flash memory (4 MB) in an 8‑pin SOP package (SS) with RoHS lead‑free option (BG). It provides non‑volatile storage for embedded systems and is SPI‑bus compatible.
Key points:
- Capacity and interface: 32 Mbit, SPI-compatible with options for fast/dual/quad I/O modes.
- Voltage: typically 2.7–3.6 V.
- Addressing: uses 3‑byte addressing to access the 32‑Mbit space.
- Performance and access: fast read, page program, and erase operations; supports sector/block/chip erase.
- Features: standard security and protection mechanisms, power-down mode, and reset/suspend capabilities on some variants.
- Package: 8‑pin SOP (SS) with RoHS/lead‑free variant (BG).
Common use cases:
- Firmware/code storage and boot memory for microcontrollers.
- Data logging, look‑up tables, and other embedded storage needs.
Note: exact timing, supported modes, and erase sector/block sizes are specified in the datasheet; verify for your specific application.

Equivalent 32M-bit SPI flash parts from other vendors:
- Macronix MX25L3206E
- Micron N25Q032
- GigaDevice GD25Q32B
- Spansion S25FL032P
- ISSI IS25LP032D
These share comparable density, SPI interface, and voltage ranges with the Winbond W25Q32BVSSBG.

W25Q32BVSSBG features (concise):
- 32‑Mbit (4 MB) serial flash memory.
- SPI interface options: Standard SPI, Dual SPI, Quad I/O; Quad enabled via QE bit.
- Clock up to 104 MHz (Standard SPI).
- 3.0–3.6 V single-supply operation (typical 3.3 V); I/O tolerant.
- Memory organization: 256-byte page size; 4 KB sectors; 64 KB blocks; chip erase option.
- 4‑byte addressing mode available for larger addresses.
- Low-power: Deep power-down mode.
- Endurance/data retention: ~100,000 P/E cycles; around 20-year data retention.
- Operating temperature: −40 to 85 °C.
- Packaging: 8‑pin SOP (W25Q32BVSSBG); includes WP/BP protection via status registers.
- Security features: Block-protection (BP bits) and standard status register protections.

- Pin count: 8 pins (SOP-8/SOIC-8, “SS” package variant)
- Function: 32 Mbit serial NOR flash memory with SPI interface (stores firmware/data). Pins include CS, SCK, SI (MOSI), SO (MISO), WP#, HOLD#, VCC, and VSS (GND).

- Manufacturer: Winbond Electronics Corp.
- What kind of company: A Taiwan-based semiconductor company that designs and manufactures memory integrated circuits, especially NOR flash memory, serving global consumer electronics, industrial, and automotive markets. It is a publicly traded, global memory supplier.

W25Q32BVSSBG is a 32M-bit serial flash memory. Common application areas include:
- Firmware storage and boot code for microcontrollers/SoCs
- Firmware updates and recovery storage (OTA and field upgrades)
- Nonvolatile data storage: logs, calibration data, configuration parameters
- Embedded consumer electronics and IoT devices (set-top boxes, cameras, wearables, appliances)
- Industrial, automotive, and smart devices requiring reliable nonvolatile memory for software and data
It uses SPI (and supports dual/quad I/O) for higher throughput in these applications.

An 8-pin SOP (SOIC-8) package, RoHS-compliant.