参数资料
型号: SST25VF512-20-4C-SAE
厂商: Microchip Technology
文件页数: 15/29页
文件大小: 0K
描述: IC FLASH SER 512K 20MHZ 8SOIC
特色产品: SST Serial and Parallel Flash Memory
标准包装: 100
系列: SST25
格式 - 存储器: 闪存
存储器类型: FLASH
存储容量: 512K (64K x 8)
速度: 20MHz
接口: SPI 串行
电源电压: 2.7 V ~ 3.6 V
工作温度: 0°C ~ 70°C
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOIC
包装: 管件
产品目录页面: 1452 (CN2011-ZH PDF)
512 Kbit SPI Serial Flash
A Microchip Technology Company
SST25VF512
Data Sheet
Read-Status-Register (RDSR)
The Read-Status-Register (RDSR) instruction allows reading of the status register. The status register
may be read at any time even during a Write (Program/Erase) operation. When a Write operation is in
progress, the Busy bit may be checked before sending any new commands to assure that the new
commands are properly received by the device. CE# must be driven low before the RDSR instruction is
entered and remain low until the status data is read. Read-Status-Register is continuous with ongoing
clock cycles until it is terminated by a low to high transition of the CE#. See Figure 10 for the RDSR
instruction sequence.
CE#
MODE 3
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
SCK
SI
MODE 0
MSB
05
SO
HIGH IMPEDANCE
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
MSB
Status
Register Out
1192 F37.7
Figure 10: Read-Status-Register (RDSR) Sequence
Write-Enable (WREN)
The Write-Enable (WREN) instruction sets the Write-Enable-Latch bit to 1 allowing Write operations to
occur. The WREN instruction must be executed prior to any Write (Program/Erase) operation. CE#
must be driven high before the WREN instruction is executed.
CE#
MODE 3
0 1 2 3 4 5 6 7
SCK
SI
SO
MODE 0
06
MSB
HIGH IMPEDANCE
1192 F35.6
Figure 11: Write Enable (WREN) Sequence
?2011 Silicon Storage Technology, Inc.
15
DS25076A
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SST25VF512-20-4C-SAE_ 制造商:Microchip Technology Inc 功能描述:
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SST25VF512A 制造商:SST 制造商全称:Silicon Storage Technology, Inc 功能描述:512 Kbit SPI Serial Flash
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SST25VF512A-33-4C-QAE-T 功能描述:闪存 2.7V to 3.6V 512Kbit SPI Serial 闪存 RoHS:否 制造商:ON Semiconductor 数据总线宽度:1 bit 存储类型:Flash 存储容量:2 MB 结构:256 K x 8 定时类型: 接口类型:SPI 访问时间: 电源电压-最大:3.6 V 电源电压-最小:2.3 V 最大工作电流:15 mA 工作温度:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体: 封装:Reel