W25X64VSFIG

Introduction to W25X64VSFIG
- Type: Winbond 64-Mbit serial NOR flash memory (SPI interface), used to store firmware/data in embedded systems.
- Capacity: 64 Mbit (8 MB); memory organized for page/sector/block erase and program operations.
- Interface: Serial SPI (standard read, fast read modes available); supports common SPI signaling.
- Supply: Typically 2.7–3.6 V operation (industrial/commercial variants exist).
- Organization and operations: 256-byte pages; erase units include 4 KB sectors and larger blocks (32/64 KB); supports page program, sector/block/chip erase, Write Enable/Disable, and status/protection registers.
- Features: Non-volatile storage with fast random read/write access suitable for firmware storage; hardware write protection via status register.
- Applications: Storing microcontroller firmware, boot ROM, code/data storage in embedded systems.
- Package/variant: The suffix “VSFIG” identifies packaging, voltage range, and temperature grade; consult the datasheet for exact packaging and spec details.

Equivalents (64Mbit, SPI flash, 3.0V, 8-SOIC):
- ST M25P64
- Macronix MX25L64x (e.g., MX25L6406E)
- Spansion/Cypress S25FL064P (K) / S25FL064K
- Gigadevice GD25Q64B (or GD25Q64C)
- ISSI IS25LP064A
- Puya P25Q64H
- Winbond W25Q64FV / W25Q64F (same 64Mbit family)

Key features of Winbond W25X64VSFIG (64-Mbit SPI serial flash):
- Density: 64 Mbit (8 MB) of non-volatile flash memory
- Interface: Serial SPI (single I/O); fast read up to ~104 MHz
- Voltage: 2.7–3.6 V (3.3 V nominal)
- Package: 8-pin SOP (SOP-8) style (FIG suffix denotes packaging/grade)
- Memory organization: 4 KB sectors; 32 KB and 64 KB blocks; 256-byte page programming
- Erase/Write: Page program, sector/block/chip erase; write enable/disable with status register
- Power: Deep power-down mode; wake-up with low quiescent current
- Endurance/Retention: ~100k P/E cycles per sector; data retention typically 20 years
- Protection: Hardware write protect (WP#) and hold/reset options; status register with block protection
- Temp range: Industrial grade typically -40 to 85 °C
Usage: boot/code storage and data logging in embedded systems requiring small-footprint SPI flash.

- Pin count: 8 pins (8-pin serial SPI Flash package)
- Function: W25X64VSFIG is a Winbond 64-Mbit serial SPI flash memory. It uses CS, CLK, DI (MOSI), DO (MISO) plus WP# and HOLD# pins, plus VCC and GND. It supports standard SPI operations (read/fast read, page program, sector/block erase, write enable, status register) for firmware/data storage.

- Manufacturer: Winbond Electronics Corporation.
- What kind of company: A Taiwanese semiconductor company that designs and manufactures memory integrated circuits (notably NOR flash and DRAM) used in electronics and embedded systems.

8-pin SOP (SOIC) package.