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参数资料
| 型号： | W25Q64BVSFIG |
| 厂商： | Winbond Electronics |
| 文件页数： | 13/61页 |
| 文件大小： | 0K |
| 描述： | IC SPI FLASH 64MBIT 16SOIC |
| 标准包装： | 44 |
| 系列： | SpiFlash® |
| 格式 - 存储器： | 闪存 |
| 存储器类型： | FLASH |
| 存储容量： | 64M（8M x 8） |
| 速度： | 80MHz |
| 接口： | SPI 串行 |
| 电源电压： | 2.7 V ~ 3.6 V |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 16-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 16-SOIC |
| 包装： | 管件 |
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W25Q64BV
11.
CONTROL AND STATUS REGISTERS
The Read Status Register-1 and Status Register-2 instructions can be used to provide status on the
availability of the Flash memory array, if the device is write enabled or disabled, the state of write
protection and the Quad SPI setting. The Write Status Register instruction can be used to configure the
devices write protection features and Quad SPI setting. Write access to the Status Register is controlled by
the state of the non-volatile Status Register Protect bits (SRP0, SRP1), the Write Enable instruction, and
in some cases the /WP pin.
11.1 STATUS REGISTER
11.1.1 BUSY
BUSY is a read only bit in the status register (S0) that is set to a 1 state when the device is executing a
Page Program, Sector Erase, Block Erase, Chip Erase or Write Status Register instruction. During this
time the device will ignore further instructions except for the Read Status Register and Erase Suspend
instruction (see t W , t PP , t SE , t BE , and t CE in AC Characteristics). When the program, erase or write status
register instruction has completed, the BUSY bit will be cleared to a 0 state indicating the device is ready
for further instructions.
11.1.2 Write Enable Latch (WEL)
Write Enable Latch (WEL) is a read only bit in the status register (S1) that is set to a 1 after executing a
Write Enable Instruction. The WEL status bit is cleared to a 0 when the device is write disabled. A write
disable state occurs upon power-up or after any of the following instructions: Write Disable, Page
Program, Sector Erase, Block Erase, Chip Erase and Write Status Register.
11.1.3 Block Protect Bits (BP2, BP1, BP0)
The Block Protect Bits (BP2, BP1, BP0) are non-volatile read/write bits in the status register (S4, S3, and
S2) that provide Write Protection control and status. Block Protect bits can be set using the Write Status
Register Instruction (see t W in AC characteristics). All, none or a portion of the memory array can be
protected from Program and Erase instructions (see Status Register Memory Protection table). The
factory default setting for the Block Protection Bits is 0, none of the array protected.
11.1.4 Top/Bottom Block Protect (TB)
The non-volatile Top/Bottom bit (TB) controls if the Block Protect Bits (BP2, BP1, BP0) protect from the
Top (TB=0) or the Bottom (TB=1) of the array as shown in the Status Register Memory Protection table.
The factory default setting is TB=0. The TB bit can be set with the Write Status Register Instruction
depending on the state of the SRP0, SRP1 and WEL bits.
11.1.5 Sector/Block Protect (SEC)
The non-volatile Sector protect bit (SEC) controls if the Block Protect Bits (BP2, BP1, BP0) protect 4KB
Sectors (SEC=1) or 64KB Blocks (SEC=0) in the Top (TB=0) or the Bottom (TB=1) of the array as shown
in the Status Register Memory Protection table. The default setting is SEC=0.
Publication Release Date: July 08, 2010
- 13 -
Revision E
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相关代理商/技术参数 |
参数描述 |
|---|---|
| W25Q64BVSFIP | 制造商:WINBOND 制造商全称:Winbond 功能描述:64M-BIT SERIAL FLASH MEMORY WITH DUAL AND QUAD SPI |
| W25Q64BVSSIG | 功能描述:SPI FLASH 64MBIT 8-SOIC RoHS:是 类别:集成电路 (IC) >> 存储器 系列:SpiFlash® 标准包装:150 系列:- 格式 - 存储器:EEPROMs - 串行 存储器类型:EEPROM 存储容量:4K (2 x 256 x 8) 速度:400kHz 接口:I²C，2 线串口 电源电压:2.5 V ~ 5.5 V 工作温度:-40°C ~ 85°C 封装/外壳:8-VFDFN 裸露焊盘 供应商设备封装:8-DFN（2x3） 包装:管件 产品目录页面:1445 (CN2011-ZH PDF) |
| W25Q64BVSSIGTR | 制造商:Winbond Electronics Corp 功能描述:SPIFLASH, 64M-BIT, 4KB UNIFORM |
| W25Q64BVSSIP | 制造商:WINBOND 制造商全称:Winbond 功能描述:64M-BIT SERIAL FLASH MEMORY WITH DUAL AND QUAD SPI |
| W25Q64BVZEIG | 功能描述:IC SPI FLASH 64MBIT 8WSON RoHS:是 类别:集成电路 (IC) >> 存储器 系列:SpiFlash® 标准包装:1,000 系列:- 格式 - 存储器:EEPROMs - 串行 存储器类型:EEPROM 存储容量:4K (512 x 8) 速度:400kHz 接口:I²C，2 线串口 电源电压:2.7 V ~ 5.5 V 工作温度:-40°C ~ 85°C 封装/外壳:8-SOIC（0.173"，4.40mm 宽） 供应商设备封装:8-MFP 包装:带卷 (TR) |
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