参数资料
型号: 25AA640AT-I/MS
厂商: Microchip Technology
文件页数: 9/36页
文件大小: 0K
描述: IC EEPROM 64KBIT 10MHZ 8MSOP
标准包装: 1
格式 - 存储器: EEPROMs - 串行
存储器类型: EEPROM
存储容量: 64K (8K x 8)
速度: 10MHz
接口: SPI 3 线串行
电源电压: 1.8 V ~ 5.5 V
工作温度: -40°C ~ 85°C
封装/外壳: 8-TSSOP,8-MSOP(0.118",3.00mm 宽)
供应商设备封装: 8-MSOP
包装: 标准包装
产品目录页面: 1449 (CN2011-ZH PDF)
其它名称: 25AA640AT-I/MSDKR
25AA640A/25LC640A
2.4
Write Enable ( WREN ) and Write
Disable ( WRDI )
The following is a list of conditions under which the
write enable latch will be reset:
The 25XX640A contains a write enable latch. See
Table 2-4 for the Write-Protect Functionality Matrix.
This latch must be set before any write operation will be
completed internally. The WREN instruction will set the
latch and the WRDI will reset the latch.
FIGURE 2-4:
WRITE ENABLE SEQUENCE ( WREN )
CS
?
?
?
?
Power-up
WRDI instruction successfully executed
WRSR instruction successfully executed
WRITE instruction successfully executed
0
1
2
3
4
5
6
7
SCK
SI
0
0
0
0
0
1
1
0
SO
High-Impedance
FIGURE 2-5:
WRITE DISABLE SEQUENCE ( WRDI )
CS
0
1
2
3
4
5
6
7
SCK
SI
0
0
0
0
0
1
0
0
High-Impedance
SO
? 2003-2012 Microchip Technology Inc.
DS21830E-page 9
相关PDF资料
PDF描述
24LC128T-I/MNY IC EEPROM 128KBIT KHZ 8TDFN
24AA128T-I/MNY IC EEPROM 128KBIT KHZ 8TDFN
HSC50DRTS-S93 CONN EDGECARD 100PS DIP .100 SLD
HSC50DRES-S93 CONN EDGECARD 100POS .100 EYELET
EMC43DRAI-S734 CONN EDGECARD 86POS .100 R/A PCB
相关代理商/技术参数
参数描述
25AA640AX 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:64K SPI Bus Serial EEPROM
25AA640AX-E/MF 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:64K SPI Bus Serial EEPROM
25AA640AX-E/MNY 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:64K SPI Bus Serial EEPROM
25AA640AX-E/MS 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:64K SPI Bus Serial EEPROM
25AA640AX-E/P 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:64K SPI Bus Serial EEPROM