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参数资料
| 型号： | AT45DB021B-TC |
| 厂商： | ATMEL CORP |
| 元件分类： | DRAM |
| 英文描述： | 2-megabit 2.7-volt Only DataFlash?? |
| 中文描述： | 2M X 1 FLASH 2.7V PROM, PDSO28 |
| 封装： | 18 X 13.40 MM, PLASTIC, MO-183, TSOP1-28 |
| 文件页数： | 10/33页 |
| 文件大小： | 261K |
| 代理商： | AT45DB021B-TC |
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10
AT45DB021B
1937F
–
DFLSH
–
10/02
Note:
In Tables 2 and 3, an SCK mode designation of
“
Any
”
denotes any one of the four modes of operation (Inactive Clock Polarity
Low, Inactive Clock Polarity High, SPI Mode 0, or SPI Mode 3).
Table 1.
Read Commands
Command
SCK Mode
Opcode
Continuous Array Read
Inactive Clock Polarity Low or High
68H
SPI Mode 0 or 3
E8H
Main Memory Page Read
Inactive Clock Polarity Low or High
52H
SPI Mode 0 or 3
D2H
Buffer 1 Read
Inactive Clock Polarity Low or High
54H
SPI Mode 0 or 3
D4H
Buffer 2 Read
Inactive Clock Polarity Low or High
56H
SPI Mode 0 or 3
D6H
Status Register Read
Inactive Clock Polarity Low or High
57H
SPI Mode 0 or 3
D7H
Table 2.
Program and Erase Commands
Command
SCK Mode
Opcode
Buffer 1 Write
Any
84H
Buffer 2 Write
Any
87H
Buffer 1 to Main Memory Page Program with Built-in Erase
Any
83H
Buffer 2 to Main Memory Page Program with Built-in Erase
Any
86H
Buffer 1 to Main Memory Page Program without Built-in Erase
Any
88H
Buffer 2 to Main Memory Page Program without Built-in Erase
Any
89H
Page Erase
Any
81H
Block Erase
Any
50H
Main Memory Page Program through Buffer 1
Any
82H
Main Memory Page Program through Buffer 2
Any
85H
Table 3.
Additional Commands
Command
SCK Mode
Opcode
Main Memory Page to Buffer 1 Transfer
Any
53H
Main Memory Page to Buffer 2 Transfer
Any
55H
Main Memory Page to Buffer 1 Compare
Any
60H
Main Memory Page to Buffer 2 Compare
Any
61H
Auto Page Rewrite through Buffer 1
Any
58H
Auto Page Rewrite through Buffer 2
Any
59H
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| AT45DB021D | 2-megabit 2.7-volt DataFlash |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AT45DB021BTI | 制造商:Atmel Corporation 功能描述: |
| AT45DB021B-TI | 功能描述:闪存 2M 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 |
| AT45DB021BTU | 制造商:Atmel Corporation 功能描述: |
| AT45DB021B-TU | 功能描述:闪存 DATAFLASH 2M SERIAL 2.7V IND TEMP GREEN 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 |
| AT45DB021D | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:2-megabit 2.7-volt DataFlash |
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