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45DB011B PDF预览

45DB011B

更新时间: 2022-11-25 21:27:29
品牌 Logo 应用领域
爱特美尔 - ATMEL 闪存
页数 文件大小 规格书
19页 153K
描述
1-Megabit 2.7-volt Only Serial DataFlash

45DB011B 数据手册

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Features  
Single 2.7V - 3.6V Supply  
Serial Interface Architecture  
Page Program Operation  
– Single Cycle Reprogram (Erase and Program)  
– 512 Pages (264 Bytes/Page) Main Memory  
Optional Page and Block Erase Operations  
One 264-Byte SRAM Data Buffer  
Internal Program and Control Timer  
Fast Page Program Time – 7 ms Typical  
120 µs Typical Page to Buffer Transfer Time  
Low-Power Dissipation  
– 4 mA Active Read Current Typical  
– 2 µA CMOS Standby Current Typical  
13 MHz Max Clock Frequency  
Hardware Data Protection Feature  
Serial Peripheral Interface (SPI) Compatible – Modes 0 and 3  
CMOS and TTL Compatible Inputs and Outputs  
Commercial and Industrial Temperature Ranges  
1-Megabit  
2.7-volt Only  
Serial  
DataFlash®  
Description  
AT45DB011  
Preliminary  
The AT45DB011 is a 2.7-volt only, serial interface Flash memory suitable for in-sys-  
tem reprogramming. Its 1,081,344 bits of memory are organized as 512 pages of 264  
bytes each. In addition to the main memory, the AT45DB011 also contains one SRAM  
data buffer of 264 bytes. Unlike conventional Flash memories that are accessed ran-  
domly with multiple address lines and a parallel interface, the DataFlash uses a serial  
interface to sequentially access its data. The simple serial interface facilitates hard-  
(continued)  
Pin Configurations  
SOIC  
Pin Name  
Function  
SI  
SCK  
1
2
3
4
8
7
6
5
SO  
CS  
Chip Select  
Serial Clock  
Serial Input  
Serial Output  
GND  
VCC  
WP  
RESET  
CS  
SCK  
SI  
SO  
AT45DB011  
Hardware Page  
Write Protect Pin  
WP  
Preliminary 16-  
Megabit 2.7-volt  
Only Serial  
RESET  
Chip Reset  
Ready/Busy  
PLCC  
RDY/BUSY  
TSSOP Top View  
Type 1  
DataFlash  
RDY/BUSY  
1
2
3
4
5
6
7
14  
CS  
NC  
NC  
NC  
NC  
NC  
SI  
SCK  
SI  
5
6
7
8
9
29 WP  
RESET  
WP  
13  
12  
11  
10  
9
28 RESET  
27 RDY/BUSY  
26 NC  
SO  
NC  
NC  
VCC  
GND  
SCK  
SO  
25 NC  
NC 10  
NC 11  
NC 12  
NC 13  
24 NC  
23 NC  
22 NC  
8
21 NC  
Rev. 1103C–08/98  
Note: PLCC package pins 16  
and 17 are DON’T CONNECT  

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