AT45DB081B
Table 4. Detailed Bit-level Addressing Sequence
Address Byte
Address Byte
Address Byte
Additional
Don’t Care
Bytes
Opcode
Opcode
Required
50H
52H
53H
54H
55H
56H
0 1 0 1 0 0 0 0 r
0 1 0 1 0 0 1 0 r
0 1 0 1 0 0 1 1 r
0 1 0 1 0 1 0 0 x
0 1 0 1 0 1 0 1 r
0 1 0 1 0 1 1 0 x
r
r
r
x
r
x
r
r
r
x
r
x
P
P
P
x
P
x
P
P
P
x
P
x
P
P
P
x
P
x
P
P
P
x
P
x
P
P
P
x
P
x
P
P
P
x
P
x
P
P
P
x
P
x
P
P
P
x
P
x
P
P
P
x
P
x
x
P
P
x
P
x
x
P
P
x
P
x
x
P
P
x
P
x
x
B
x
B
x
B
x
B
x
B
x
B
x
B
x
B
x
B
x
B
x
B
x
B
x
B
x
B
x
B
x
B
x
B
x
B
x
B
x
B
x
B
x
B
x
B
x
B
x
B
x
B
x
B
N/A
4 Bytes
N/A
1 Byte
N/A
1 Byte
57H
0 1 0 1 0 1 1 1
N/A
N/A
N/A
N/A
58H
59H
60H
61H
68H
81H
82H
83H
84H
85H
86H
87H
88H
89H
D2H
D4H
D6H
0 1 0 1 1 0 0 0 r
0 1 0 1 1 0 0 1 r
0 1 1 0 0 0 0 0 r
0 1 1 0 0 0 0 1 r
0 1 1 0 1 0 0 0 r
1 0 0 0 0 0 0 1 r
1 0 0 0 0 0 1 0 r
1 0 0 0 0 0 1 1 r
1 0 0 0 0 1 0 0 x
1 0 0 0 0 1 0 1 r
1 0 0 0 0 1 1 0 r
1 0 0 0 0 1 1 1 x
1 0 0 0 1 0 0 0 r
1 0 0 0 1 0 0 1 r
1 1 0 1 0 0 1 0 r
1 1 0 1 0 1 0 0 x
1 1 0 1 0 1 1 0 x
r
r
r
r
r
r
r
r
x
r
r
x
r
r
r
x
x
r
r
r
r
r
r
r
r
x
r
r
x
r
r
r
x
x
P
P
P
P
P
P
P
P
x
P
P
x
P
P
P
x
x
P
P
P
P
P
P
P
P
x
P
P
x
P
P
P
x
x
P
P
P
P
P
P
P
P
x
P
P
x
P
P
P
x
x
P
P
P
P
P
P
P
P
x
P
P
x
P
P
P
x
x
P
P
P
P
P
P
P
P
x
P
P
x
P
P
P
x
x
P
P
P
P
P
P
P
P
x
P
P
x
P
P
P
x
x
P
P
P
P
P
P
P
P
x
P
P
x
P
P
P
x
x
P
P
P
P
P
P
P
P
x
P
P
x
P
P
P
x
x
P
P
P
P
P
P
P
P
x
P
P
x
P
P
P
x
x
P
P
P
P
P
P
P
P
x
P
P
x
P
P
P
x
x
P
P
P
P
P
P
P
P
x
P
P
x
P
P
P
x
x
P
P
P
P
P
P
P
P
x
P
P
x
P
P
P
x
x
x
x
x
x
B
x
B
x
B
B
x
B
x
x
B
B
B
x
x
x
x
B
x
B
x
B
B
x
B
x
x
B
B
B
x
x
x
x
B
x
B
x
B
B
x
B
x
x
B
B
B
x
x
x
x
B
x
B
x
B
B
x
B
x
x
B
B
B
x
x
x
x
B
x
B
x
B
B
x
B
x
x
B
B
B
x
x
x
x
B
x
B
x
B
B
x
B
x
x
B
B
B
x
x
x
x
B
x
B
x
B
B
x
B
x
x
B
B
B
x
x
x
x
B
x
B
x
B
B
x
B
x
x
B
B
B
x
x
x
x
B
x
B
x
B
B
x
B
x
x
B
B
B
N/A
N/A
N/A
N/A
4 Bytes
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
4 Bytes
1 Byte
1 Byte
D7H
1 1 0 1 0 1 1 1
N/A
N/A
N/A
N/A
E8H
1 1 1 0 1 0 0 0 r
r
r
P
P
P
P
P
P
P
P
P
P
P
P
B
B
B
B
B
B
B
B
B
4 Bytes
Note:
r = Reserved Bit
P = Page Address Bit
B = Byte/Buffer Address Bit
x = Don’t Care
11
2225J–DFLSH–2/08
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相关代理商/技术参数
AT45DB081B-TI-2.5 功能描述:闪存 8M SERIAL 2.7V - 2.5V IND TEMP 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
AT45DB081B-TU 功能描述:闪存 8M 28 I/O Pins SPI 264B 2.7V 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
AT45DB081D 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:8-megabit 2.5-volt or 2.7-volt DataFlash
AT45DB081D_07 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:8-megabit 2.5-volt or 2.7-volt DataFlash
AT45DB081D_08 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:8-megabit 2.5-volt or 2.7-volt DataFlash
AT45DB081D_09 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:8-megabit 2.5-volt or 2.7-volt DataFlash
AT45DB081D_13 制造商:AD 制造商全称:Analog Devices 功能描述:8-megabit 2.5V or 2.7V DataFlash
AT45DB081D-DWF 制造商:Adesto Technologies Corporation 功能描述:WHOLE WAFER, NO BACKGRIND - Gel-pak, waffle pack, wafer, diced wafer on film