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W25X16 Datasheet(PDF) 4 Page - Winbond

Part No. W25X16
Description  16M-BIT, 32M-BIT, AND 64M-BIT SERIAL FLASH MEMORY WITH 4KB SECTORS AND DUAL OUTPUT SPI
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Maker  WINBOND [Winbond]
Homepage  http://www.winbond.com
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W25X16 Datasheet(HTML) 4 Page - Winbond

 
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W25X16, W25X32, W25X64
- 4 -
1. GENERAL DESCRIPTION
The W25X16 (16M-bit), W25X32 (32M-bit), and W25X64 (64M-bit) Serial Flash memories provide a
storage solution for systems with limited space, pins and power. The 25X series offers flexibility and
performance well beyond ordinary Serial Flash devices. They are ideal for code download applications
as well as storing voice, text and data. The devices operate on a single 2.7V to 3.6V power supply
with current consumption as low as 5mA active and 1µA for power-down. All devices are offered in
space-saving packages.
The W25X16/32/64 array is organized into 8,192/16,384/32,768 programmable pages of 256-bytes
each. Up to 256 bytes can be programmed at a time using the Page Program instruction. Pages can
be erased in groups of 16 (sector erase), groups of 256 (block erase) or the entire chip (chip erase).
The W25X16/32/64 has 512/1024/2048 erasable sectors and 32/64/128 erasable blocks respectively.
The small 4KB sectors allow for greater flexibility in applications that require data and parameter
storage. (See figure 2.)
The W25X16/32/64 supports the standard Serial Peripheral Interface (SPI), and a high performance
dual output SPI using four pins: Serial Clock, Chip Select, Serial Data I/O and Serial Data Out. SPI
clock frequencies of up to 75MHz are supported allowing equivalent clock rates of 150MHz when
using the Fast Read Dual Output instruction. These transfer rates are comparable to those of 8 and
16-bit Parallel Flash memories.
A Hold pin, Write Protect pin and programmable write protect, with top or bottom array control
features, provide further control flexibility. Additionally, the device supports JEDEC standard
manufacturer and device identification.
2. FEATURES
• Family of Serial Flash Memories
– W25X16: 16M-bit / 2M-byte (2,097,152)
– W25X32: 32M-bit / 4M-byte (4,194,304)
– W25X64: 64M-bit / 8M-byte (8,388,608)
– 256-bytes per programmable page
– Uniform 4K-byte Sectors / 64K-byte Blocks
• SPI with Single or Dual Outputs
– Clock, Chip Select, Data I/O, Data Out
– Optional Hold function for SPI flexibility
• Data Transfer up to 150M-bits / second
– Clock operation to 75MHz
– Fast Read Dual Output instruction
– Auto-increment Read capability
• Flexible Architecture with 4KB sectors
– Sector Erase (4K-bytes)
– Block Erase (64K-byte)
– Page program up to 256 bytes <2ms
– Up to 100,000 erase/write cycles
– 20-year retention
• Low Power Consumption, Wide
Temperature Range
– Single 2.7 to 3.6V supply
– 5mA active current, 1µA Power-down (typ)
– -40° to +85°C operating range
• Software and Hardware Write Protection
– Write-Protect all or portion of memory
– Enable/Disable protection with /WP pin
– Top or bottom array protection
• Space Efficient Packaging
– 8-pin SOIC 208-mil (W25X16, X32)
– 8-pin PDIP 300-mil (W25X16, X32, X64)
– 16-pin SOIC 300-mil (W25X16, X32, X64)
– 8-pad WSON 6x5-mm (W25X16)
– 8-pad WSON 8x6-mm (W25X32, X64)


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