参数资料
型号: AT45DB081B-TU
厂商: Atmel
文件页数: 11/33页
文件大小: 0K
描述: IC FLASH 8MBIT 20MHZ 28TSOP
标准包装: 234
格式 - 存储器: 闪存
存储器类型: DataFLASH
存储容量: 8M(4096 页 x 264 字节)
速度: 20MHz
接口: SPI 3 线串行
电源电压: 2.7 V ~ 3.6 V
工作温度: -40°C ~ 85°C
封装/外壳: 28-TSSOP(0.465",11.8mm 宽)
供应商设备封装: 28-TSOP
包装: 托盘
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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