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W25X16BV Datasheet(PDF) 4 Page - Winbond |
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W25X16BV Datasheet(HTML) 4 Page - Winbond |
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4 / 47 page  W25X16BV - 4 - 1. GENERAL DESCRIPTION The W25X16BV (16M-bit) Serial Flash memory provides 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 4mA active and 1µA for power-down. All devices are offered in space-saving packages. The W25X16BV array is organized into 8,192 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 128 (32KB block erase), groups of 256 (block erase) or the entire chip (chip erase). The W25X16BV has 512 erasable sectors and 32 erasable blocks respectively. The small 4KB sectors allow for greater flexibility in applications that require data and parameter storage. (See figure 2.) The W25X16BV 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 104MHz are supported allowing equivalent clock rates of 208MHz 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 – W25X16BV: 16M-bit / 2M-byte (2,097,152) – 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 208M-bits / second – Clock operation to 104MHz – Fast Read Dual Output instruction – Auto-increment Read capability Software and Hardware Write Protection – Write-Protect all or portion of memory – Enable/Disable protection with /WP pin – Top or bottom array protection Flexible Architecture with 4KB sectors – Sector Erase (4K-bytes) – Block Erase (32K and 64K-byte) – Page program up to 256 bytes <1ms – More than 100,000 erase/write cycles – More than 20-year retention Low Power Consumption, Wide Temperature Range – Single 2.7 to 3.6V supply – 4mA active current, 1µA Power-down (typ) – -40° to +85°C operating range Space Efficient Packaging – 8-pin SOIC 150-mil (2) – 8-pin SOIC 208-mil – 8-pad WSON 6x5-mm – 8-pin PDIP 300-mil – 16-pin SOIC 300-mil Note 1: Package type SN (SOIC8 150mil) is a special order package, please contact Winbond for ordering information. |
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