W25M02GVSFIG

## Overview

The Winbond W25M02GVSFIG is a 2-Megabyte (16-Megabit) serial NOR Flash memory device that offers high-speed SPI and Quad SPI read capabilities. It is designed for embedded systems that require non-volatile code storage, fast read access, and low-power operation. The device supports standard SPI, dual SPI, and quad SPI modes, enabling high-performance read and program operations while maintaining compatibility with a wide range of microcontrollers and processors.

## Memory Organization

* Total capacity: 2 MB (16 Megabits)
* Organization: 2M × 8 bits
* Page size: 256 bytes per page
* Sector size: 4 KB
* Block size: 32 KB and 64 KB erasable blocks
* Erase types: Sector erase, block erase, and chip erase
* Supports page program operations for 256-byte writes
* Uniform sector architecture with software and hardware protection features

## Interface and Communication

* Interface type: Serial Peripheral Interface (SPI)
* Supported modes: Standard SPI, Dual SPI, Quad SPI
* Maximum SPI clock frequency: 104 MHz in Quad SPI mode, 104 MHz in standard SPI mode
* Commands: Read, Fast Read, Page Program, Sector Erase, Block Erase, Chip Erase, Write Enable/Disable, Read Status Register, Write Status Register
* Dedicated pins: Chip Select (CS#), Write Protect (WP#), Hold (HOLD#)
* Continuous read mode supported for low-latency multi-byte reads

## Performance

* Page program time: Typical 0.7 ms per 256-byte page
* Sector erase time: Typical 50 ms per 4 KB sector
* Block erase time: Typical 1.5 s for 64 KB block
* Chip erase time: Typical 30 s
* Endurance: 100,000 program/erase cycles per sector
* Data retention: 20 years typical at 25°C
* Random read capability optimized for Execute-in-Place (XIP) applications

## Electrical Characteristics

* Supply voltage (VCC): 2.7 V to 3.6 V, nominal 3.3 V
* Active read current: 20 mA typical at 104 MHz Quad SPI
* Program/erase current: 25 mA typical
* Standby current: 5 μA typical
* Input logic voltage levels: CMOS-compatible for 3.3 V logic
* Output logic voltage levels: CMOS-compatible
* Operating temperature range: -40°C to +85°C industrial grade

## Protection and Reliability

* Hardware write protection through WP# pin
* Software-controlled block protection via status register
* Ready/Busy (R/B#) output for operation monitoring
* ESD protection: ±2 kV Human Body Model, ±200 V Machine Model
* Designed for long-term reliability and endurance in industrial and consumer applications

## Packaging and Mechanical

* Package types: 8-pin SOP, WSON/USON for compact PCB layouts
* Lead-free and RoHS-compliant
* Small footprint and low-profile design suitable for space-constrained embedded systems
* Standardized pinout for automated assembly

## Applications

* Embedded system code and data storage
* Configuration and calibration storage in IoT devices
* Non-volatile memory for consumer electronics requiring low power and fast read speeds
* Execute-in-place (XIP) applications
* Industrial and automotive systems requiring reliable non-volatile memory with high endurance

The W25M02GVSFIG combines high-speed SPI/Quad SPI access, low-power operation, long endurance, and compact packaging to deliver a versatile memory solution suitable for a broad range of embedded and industrial applications.