Circuit Board Chip 3V 64M BIT W25Q64FVSSIG Serial Flash Memory SOP8
GENERAL DESCRIPTIONS
The W25Q64FV (64M-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 space-saving packages. The W25Q64FV
array is organized into 32,768 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 W25Q64FV has 2,048 erasable sectors and 128
erasable blocks respectively. The small 4KB sectors allow for
greater flexibility in applications that require data and parameter
storage.
The W25Q64FV 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 identification, a 64-bit Unique Serial
Number and three 256-bytes Security Registers.
FEATURES
Family of SpiFlash Memories
– W25Q64FV: 64M-bit / 8M-byte (8,388,608)
– 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
Highest Performance Serial Flash
– 104MHz Standard/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 Erase (4K-bytes)
– Uniform Block Erase (32K and 64K-bytes)
– Program 1 to 256 byte per programmable page
– Erase/Program Suspend & Resume
Advanced Security Features
– Software and Hardware Write-Protect
– Top/Bottom, 4KB complement array protection
– Power Supply Lock-Down and OTP 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
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