参数资料
型号: 25AA010A-I/SN
厂商: Microchip Technology
文件页数: 9/38页
文件大小: 0K
描述: IC EEPROM 1KBIT 10MHZ 8SOIC
标准包装: 100
格式 - 存储器: EEPROMs - 串行
存储器类型: EEPROM
存储容量: 1K (128 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-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOICN
包装: 管件
产品目录页面: 1448 (CN2011-ZH PDF)
25AA010A/25LC010A
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 25XX010A 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.
?
?
?
?
?
Power-up
WRDI instruction successfully executed
WRSR instruction successfully executed
WRITE instruction successfully executed
WP pin is brought low
FIGURE 2-4:
WRITE ENABLE SEQUENCE ( WREN )
CS
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
? 2003-2011 Microchip Technology Inc.
DS21832G-page 9
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