W25X16VSSIG datasheet(4/50 Pages) WINBOND

Part #	W25X16VSSIG

Description	16M-BIT, 32M-BIT, AND 64M-BIT SERIAL FLASH MEMORY WITH 4KB SECTORS AND DUAL OUTPUT SPI

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Manufacturer	WINBOND [Winbond]

Direct Link	http://www.winbond.com

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W25X16, W25X16A, W25X32, W25X64

- 4 -

1. GENERAL DESCRIPTION

The W25X16/W25X16A (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 W25X16/16A/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 W25X16/16A/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 W25X16/16A/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

– W25X16/16A: 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

– Minimum 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 150-mil (X16A)

– 8-pin SOIC 208-mil (X16/16A, X32)

– 8-pin PDIP 300-mil (X16/16A, X32, X64)

– 16-pin SOIC 300-mil (X16/16A, X32, X64)

– 8-pad WSON 6x5-mm (X16/16A)

– 8-pad WSON 8x6-mm (X32, X64)

* Single 2.3V to 3.6V supply for W25X16AL

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