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AT29LV040A-25JI PDF预览

AT29LV040A-25JI

更新时间: 2024-11-07 23:32:39
品牌 Logo 应用领域
其他 - ETC 闪存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
13页 248K
描述
x8 Flash EEPROM

AT29LV040A-25JI 数据手册

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Features  
Single Voltage, Range 3V to 3.6V Supply  
3-Volt Only Read and Write Operation  
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)  
3-volt Only  
256-Byte Sector  
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  
Typical Endurance > 10,000 Cycles  
CMOS and TTL Compatible Inputs and Outputs  
Commercial and Industrial Temperature Ranges  
Description  
The AT29LV040A 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  
AT29LV040A  
PLCC Top View  
Pin Configurations  
Pin Name  
A0 - A18  
CE  
Function  
A7  
A6  
A5  
A4  
A3  
5
6
7
8
9
29 A14  
28 A13  
27 A8  
26 A9  
25 A11  
24 OE  
23 A10  
22 CE  
21 I/O7  
Addresses  
Chip Enable  
Output Enable  
Write Enable  
Data Inputs/Outputs  
No Connect  
A2 10  
A1 11  
A0 12  
I/O0 13  
OE  
WE  
I/O0 - I/O7  
NC  
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
10  
11  
12  
13  
14  
15  
16  
A6  
A1  
A5  
A2  
A4  
A3  
Rev. 0334E–03/01  
1

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