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AT45DB081B

更新时间： 2024-11-26 21:55:27
品牌 Logo 应用领域
爱特美尔 - ATMEL 闪存
页数 文件大小 规格书
32页 393K
描述
8-megabit 2.5-volt Only or 2.7-volt Only DataFlash

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中文翻译

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AT45DB081B 数据手册

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Features  
• Single 2.5V - 3.6V or 2.7V - 3.6V Supply  
• Serial Peripheral Interface (SPI) Compatible  
• Page Program Operation  
– Single Cycle Reprogram (Erase and Program)  
– 4096 Pages (264 Bytes/Page) Main Memory  
• Supports Page and Block Erase Operations  
• Two 264-byte SRAM Data Buffers – Allows Receiving of Data  
while Reprogramming of Nonvolatile Memory  
• Continuous Read Capability through Entire Array  
– Ideal for Code Shadowing Applications  
• Low Power Dissipation  
8-megabit  
– 4 mA Active Read Current Typical  
2.5-volt Only or  
2.7-volt Only  
DataFlash®  
– 2 µA CMOS Standby Current Typical  
• 20 MHz Max Clock Frequency  
• Hardware Data Protection Feature  
• 100% Compatible to AT45DB081 and AT45DB081A  
• 5.0V-tolerant Inputs: SI, SCK, CS, RESET and WP Pins  
• Commercial and Industrial Temperature Ranges  
Description  
AT45DB081B  
The AT45DB081B is a 2.5-volt or 2.7-volt only, serial interface Flash memory ideally  
suited for a wide variety of digital voice-, image-, program code- and data-storage  
applications. Its 8,650,752 bits of memory are organized as 4096 pages of 264 bytes  
each. In addition to the main memory, the AT45DB081B also contains two SRAM  
data buffers of 264 bytes each. The buffers allow receiving of data while a page in the  
main memory is being reprogrammed, as well as reading or writing a continuous data  
(continued)  
TSOP Top View  
Pin Configurations  
Type 1  
Pin Name  
Function  
RDY/BUSY  
RESET  
WP  
1
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
NC  
NC  
NC  
NC  
NC  
NC  
NC  
NC  
NC  
NC  
NC  
NC  
NC  
NC  
2
CS  
Chip Select  
Serial Clock  
Serial Input  
Serial Output  
3
NC  
4
SCK  
SI  
NC  
5
VCC  
GND  
NC  
6
7
8
NC  
9
SO  
NC  
10  
11  
12  
13  
14  
CS  
SCK  
SI  
WP  
Hardware Page Write  
Protect Pin  
SO  
RESET  
Chip Reset  
Ready/Busy  
RDY/BUSY  
SOIC  
CBGA Top View  
through Package  
GND  
NC  
NC  
CS  
SCK  
SI  
1
2
3
4
5
6
7
8
9
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
VCC  
NC  
1
2
3
NC  
WP  
A
B
C
D
E
RESET  
RDY/BUSY  
NC  
NC  
NC  
SO  
NC  
NC  
NC  
NC  
NC  
NC  
NC  
SCK  
GND  
VCC  
NC  
NC  
CS RDY/BSY WP  
10  
11  
12  
13  
14  
NC  
SO  
NC  
SI  
RESET  
NC  
NC  
NC  
NC  
NC  
NC  
Rev. 2225C–12/01  
1234567...32

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与AT45DB081B相关器件

型号 品牌 获取价格 描述 数据表
AT-45DB081B ATMEL

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 		AT-45DB081B DATA FLASH RELIABILITY DATA
AT45DB081B_05 ATMEL

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 		8-megabit 2.5-volt Only or 2.7-volt Only DataFlash
AT45DB081B-CC ATMEL

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 		8-megabit 2.5-volt Only or 2.7-volt Only DataFlash
AT45DB081B-CC-2.5 ATMEL

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 		SERIAL EEPROM|FLASH|4KX264X8|CMOS|BGA|14PIN|PLASTIC
AT45DB081B-CI ATMEL

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 		8-megabit 2.5-volt Only or 2.7-volt Only DataFlash
AT45DB081B-CJ ATMEL

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 		暂无描述
AT45DB081B-CL ATMEL

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 		Flash, 1081344X8, PBGA14, 4.50 X 7 MM, 1.40 MM HEIGHT, 1 MM PITCH, PLASTIC, CBGA-14
AT45DB081B-CL-2.5 ATMEL

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 		Flash, 1081344X8, PBGA14, 4.50 X 7 MM, 1.40 MM HEIGHT, 1 MM PITCH, PLASTIC, CBGA-14
AT45DB081B-CNC ATMEL

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 		8-megabit 2.5-volt Only or 2.7-volt Only DataFlash
AT45DB081B-CNC-2.5 ATMEL

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 		8-megabit 2.5-volt Only or 2.7-volt Only DataFlash

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