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AT45DB080

更新时间： 2024-11-23 22:27:07
品牌 Logo 应用领域
爱特美尔 - ATMEL 闪存
页数 文件大小 规格书
18页 161K
描述
8-Megabit 2.7-volt Only Sequential Access Parallel I/O DataFlash

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中文翻译

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AT45DB080 数据手册

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Features  
• Single 2.7V - 3.6V Supply  
• Sequential Access, Parallel I/O Architecture  
• Page Program Operation  
– Single Cycle Reprogram (Erase and Program)  
– 4096 Pages (264 Bytes/Page) Main Memory  
• Two 264-Byte Data Buffers – Allows Receiving of Data while  
Reprogramming of Non-Volatile Memory  
• 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  
• 2 MHz Max Clock Frequency  
• Hardware Data Protection Feature  
8-Megabit  
2.7-volt Only  
Sequential  
Access  
• Synchronous Clocking (Two Modes)  
• CMOS and TTL Compatible Inputs and Outputs  
• Commercial and Industrial Temperature Ranges  
Parallel I/O  
DataFlash®  
Description  
The AT45DB080 is a 2.7-volt only, sequential access, parallel interface Flash memory  
suitable for in-system reprogramming. Its 8,650,752 bits of memory are organized as  
4096 pages of 264-bytes each. In addition to the main memory, the AT45DB080 also  
contains two data buffers of 264-bytes each. The buffers allow receiving of data while  
a page in the main memory is being reprogrammed. Unlike conventional Flash memo-  
ries that are accessed randomly with multiple address lines and a parallel interface,  
AT45DB080  
Preliminary  
(continued)  
Pin Configurations  
Pin Name  
Function  
Chip Select  
Clock  
CS  
CLK  
I/O7-I/O0  
Input/Output  
Hardware Page  
Write Protect Pin  
WP  
RESET  
Chip Reset  
Ready/Busy  
TSOP Top View  
Type 1  
RDY/BUSY  
SOIC  
RDY/BUSY  
RESET  
WP  
1
32  
31  
30  
29  
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
NC  
2
NC  
GND  
NC  
1
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
VCC  
NC  
3
NC  
2
NC  
4
I/O7  
I/O6  
I/O5  
I/O4  
VCC  
GND  
I/O3  
I/O2  
I/O1  
I/O0  
NC  
NC  
3
NC  
NC  
5
CS  
4
WP  
NC  
6
CLK  
DC  
5
RESET  
RDY/BUSY  
NC  
VCC  
GND  
NC  
7
6
8
DC  
7
9
NC  
8
NC  
NC  
10  
11  
12  
13  
14  
15  
16  
NC  
9
NC  
NC  
I/O0  
I/O1  
I/O2  
I/O3  
GND  
10  
11  
12  
13  
14  
I/O7  
I/O6  
I/O5  
I/O4  
VCC  
NC  
CS  
CLK  
DC  
NC  
DC  
NC  
Rev. 1075B–06/98  
Note:  
SOIC pins 6 and 7 and TSOP pins 15 and 16 are DON’T CONNECT.  
1234567...18

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