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AT49F002AT-55TL PDF预览

AT49F002AT-55TL

更新时间: 2024-11-05 03:29:23
品牌 Logo 应用领域
爱特美尔 - ATMEL 光电二极管
页数 文件大小 规格书
20页 307K
描述
Flash, 256KX8, 55ns, PDSO32, 8 X 20 MM, PLASTIC, MO-142BD, TSOP1-32

AT49F002AT-55TL 数据手册

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Features  
Single-voltage Operation  
– 5V Read  
– 5V Reprogramming  
Fast Read Access Time – 55 ns  
Internal Program Control and Timer  
Sector Architecture  
– One 16K Bytes Boot Block with Programming Lockout  
– Two 8K Bytes Parameter Blocks  
– Four Main Memory Blocks (One 32K Bytes, Three 64K Bytes)  
Fast Erase Cycle Time – 4 Seconds  
Byte-by-Byte Programming – 20 µs/Byte Typical  
Hardware Data Protection  
DATA Polling for End of Program Detection  
Low Power Dissipation  
– 25 mA Active Current  
– 100 µA CMOS Standby Current  
Typical 10,000 Write Cycles  
2-megabit  
(256K x 8)  
5-volt Only  
Flash Memory  
Description  
AT49F002A  
The AT49F002A(N)(T) is a 5-volt only in-system reprogrammable Flash memory. Its  
2 megabits of memory is organized as 262,144 words by 8 bits. Manufactured with  
Atmel’s advanced nonvolatile CMOS technology, the device offers access times to  
55 ns with power dissipation of just 137 mW over the commercial temperature range.  
AT49F002AN  
AT49F002AT  
AT49F002ANT  
DIP Top View  
Pin Configurations  
* RESET  
A16  
A15  
A12  
A7  
1
2
3
4
5
6
7
8
9
32 VCC  
31 WE  
30 A17  
29 A14  
28 A13  
27 A8  
Pin Name Function  
A0 - A17  
CE  
Addresses  
Chip Enable  
Output Enable  
Write Enable  
RESET  
A6  
A5  
26 A9  
A4  
25 A11  
24 OE  
23 A10  
22 CE  
21 I/O7  
20 I/O6  
19 I/O5  
18 I/O4  
17 I/O3  
OE  
A3  
A2 10  
A1 11  
WE  
A0 12  
I/O0 13  
I/O1 14  
I/O2 15  
GND 16  
RESET  
I/O0 - I/O7 Data Inputs/Outputs  
DC  
Don’t Connect  
VSOP Top View (8 x 14 mm) or  
TSOP Top View (8 x 20 mm)  
Type 1  
PLCC Top View  
A11  
A9  
1
32  
31  
30  
29  
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
OE  
2
A10  
CE  
A7  
A6  
A5  
A4  
A3  
5
6
7
8
9
29 A14  
A8  
3
28 A13  
27 A8  
26 A9  
25 A11  
24 OE  
23 A10  
22 CE  
21 I/O7  
A13  
A14  
A17  
WE  
4
I/O7  
I/O6  
I/O5  
I/O4  
I/O3  
GND  
I/O2  
I/O1  
I/O0  
A0  
5
6
7
VCC  
* RESET  
A16  
A15  
A12  
A7  
8
A2 10  
A1 11  
A0 12  
I/O0 13  
9
10  
11  
12  
13  
14  
15  
16  
A6  
A1  
A5  
A2  
A4  
A3  
3354B–FLASH–6/03  
Note:  
*This pin is a DC on the AT49F002AN(T).  

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