1. GENERAL DESCRIPTIONS
The W25Q128FV (128M-bit) Serial Flash memory provides a storage solution for systems with limited
space, pins and power. The 25Q series offers flexibility and performance well beyond ordinary Serial
Flash devices. They are ideal for code shadowing to RAM, executing code directly from Dual/Quad SPI
(XIP) and storing voice, text and data. The device operates on a single 2.7V to 3.6V power supply with
current consumption as low as 4mA active and 1µA for power-down. All devices are offered in spacesaving packages.
The W25Q128FV array is organized into 65,536 programmable pages of 256-bytes each. Up to 256
bytes can be programmed at a time. Pages can be erased in groups of 16 (4KB sector erase), groups of
128 (32KB block erase), groups of 256 (64KB block erase) or the entire chip (chip erase). The
W25Q128FV has 4,096 erasable sectors and 256 erasable blocks respectively. The small 4KB sectors
allow for greater flexibility in applications that require data and parameter storage. (See Figure 2.)
The W25Q128FV support the standard Serial Peripheral Interface (SPI), Dual/Quad I/O SPI as well as
2-clocks instruction cycle Quad Peripheral Interface (QPI): Serial Clock, Chip Select, Serial Data I/O0
(DI), I/O1 (DO), I/O2 (/WP), and I/O3 (/HOLD). SPI clock frequencies of up to 104MHz are supported
allowing equivalent clock rates of 208MHz (104MHz x 2) for Dual I/O and 416MHz (104MHz x 4) for
Quad I/O when using the Fast Read Dual/Quad I/O and QPI instructions. These transfer rates can
outperform standard Asynchronous 8 and 16-bit Parallel Flash memories. The Continuous Read Mode
allows for efficient memory access with as few as 8-clocks of instruction-overhead to read a 24-bit
address, allowing true XIP (execute in place) operation.
A Hold pin, Write Protect pin and programmable write protection, with top or bottom array control,
provide further control flexibility. Additionally, the device supports JEDEC standard manufacturer and
device ID and SFDP Register, a 64-bit Unique Serial Number and three 256-bytes Security Registers.

2. FEATURES
 New Family of SpiFlash Memories
– W25Q128FV: 128M-bit / 16M-byte
– Standard SPI: CLK, /CS, DI, DO, /WP, /Hold
– Dual SPI: CLK, /CS, IO0, IO1, /WP, /Hold
– Quad SPI: CLK, /CS, IO0, IO1, IO2, IO3
– QPI: CLK, /CS, IO0, IO1, IO2, IO3
– Software & Hardware Reset
Highest Performance Serial Flash
– 104MHz Single, Dual/Quad SPI clocks
– 208/416MHz equivalent Dual/Quad SPI
– 50MB/S continuous data transfer rate
– More than 100,000 erase/program cycles
– More than 20-year data retention
 Efficient “Continuous Read” and QPI Mode
– Continuous Read with 8/16/32/64-Byte Wrap
– As few as 8 clocks to address memory
– Quad Peripheral Interface (QPI) reduces
instruction overhead
– Allows true XIP (execute in place) operation
– Outperforms X16 Parallel Flash
 Low Power, Wide Temperature Range
– Single 2.7 to 3.6V supply
– 4mA active current, <1µA Power-down (typ.)
– -40°C to +85°C operating range
 Flexible Architecture with 4KB sectors
– Uniform Sector/Block Erase (4K/32K/64K-Byte)
– Program 1 to 256 byte per programmable page
– Erase/Program Suspend & Resume
 Advanced Security Features
– Software and Hardware Write-Protect
– Power Supply Lock-Down and OTP protection
– Top/Bottom, Complement array protection
– Individual Block/Sector array protection
– 64-Bit Unique ID for each device
– Discoverable Parameters (SFDP) Register
– 3X256-Bytes Security Registers with OTP locks
– Volatile & Non-volatile Status Register Bits
Space Efficient Packaging
– 8-pin SOIC / VSOP 208-mil
– 8-pin PDIP 300-mil
– 8-pad WSON 6x5-mm / 8x6-mm
– 16-pin SOIC 300-mil (additional /RESET pin)
– 24-ball TFBGA 8x6-mm
– Contact Winbond for KGD and other options