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AT29BV040A-20CI PDF预览

AT29BV040A-20CI

更新时间: 2024-11-30 23:32:35
品牌 Logo 应用领域
其他 - ETC 内存集成电路异步传输模式ATM可编程只读存储器电动程控只读存储器电可擦编程只读存储器
页数 文件大小 规格书
15页 214K
描述
EEPROM|FLASH|512KX8|CMOS|BGA|32PIN|PLASTIC

AT29BV040A-20CI 数据手册

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Features  
Single Supply Voltage, Range 2.7V to 3.6V  
Single Supply for Read and Write  
Software Protected Programming  
Fast Read Access Time – 200 ns  
Low Power Dissipation  
– 15 mA Active Current  
– 40 µA CMOS Standby Current  
Sector Program Operation  
– Single Cycle Reprogram (Erase and Program)  
– 2048 Sectors (256 Bytes/Sector)  
4-megabit  
(512K x 8)  
Single 2.7-volt  
Battery-Voltage™  
Flash Memory  
– Internal Address and Data Latches for 256 Bytes  
Two 16K Bytes Boot Blocks with Lockout  
Fast Sector Program Cycle Time – 20 ms Max.  
Internal Program Control and Timer  
DATA Polling for End of Program Detection  
Minimum Endurance 10,000 Cycles  
CMOS and TTL Compatible Inputs and Outputs  
Commercial and Industrial Temperature Ranges  
Description  
The AT29BV040A is a 3-volt-only in-system Flash Programmable and Erasable Read  
Only Memory (PEROM). Its 4 megabits of memory is organized as 524,288 words by  
8 bits. Manufactured with Atmel’s advanced nonvolatile CMOS EEPROM technology,  
the device offers access times to 200 ns, and a low 54 mW power dissipation. When  
the device is deselected, the CMOS standby current is less than 40 µA. The device  
AT29BV040A  
Pin Configurations  
Pin Name  
A0 - A18  
CE  
Function  
Addresses  
Chip Enable  
Output Enable  
Write Enable  
Data Inputs/Outputs  
No Connect  
CBGA  
Top View  
OE  
WE  
1
2
3
4
I/O0 - I/O7  
NC  
A
B
C
D
E
F
A7 A18 A14 A13  
A6 A16 A17 A8  
A5 A15 WE A9  
A4 A12 VCC A11  
A3 I/O0 I/O3 I/O7  
A2 I/O1 I/O4 CE  
A1 I/O2 I/O5 A10  
A0 GND I/O6 OE  
TSOP Top View  
Type 1  
A11  
A9  
1
32  
31  
30  
29  
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
OE  
2
A10  
CE  
A8  
3
A13  
A14  
A17  
WE  
VCC  
A18  
A16  
A15  
A12  
A7  
4
I/O7  
I/O6  
I/O5  
I/O4  
I/O3  
GND  
I/O2  
I/O1  
I/O0  
A0  
5
6
7
8
9
G
H
10  
11  
12  
13  
14  
15  
16  
A6  
A1  
A5  
A2  
Rev. 0383F–FLASH–05/02  
A4  
A3  

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