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AT49F002NT-55TJ PDF预览

AT49F002NT-55TJ

更新时间: 2024-11-25 03:00:55
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
17页 479K
描述
Flash, 256KX8, 55ns, PDSO32, 8 X 20 MM, PLASTIC, TSOP-32

AT49F002NT-55TJ 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 Byte Boot Block with Programming Lockout  
Two 8K Byte Parameter Blocks  
Two Main Memory Blocks (96K, 128K Bytes)  
Fast Erase Cycle Time - 10 seconds  
Byte-by-byte Programming - 10 µs/Byte Typical  
Hardware Data Protection  
2-megabit  
(256K x 8)  
DATA Polling for End of Program Detection  
Low Power Dissipation  
5-volt Only  
Flash Memory  
50 mA Active Current  
100 µA CMOS Standby Current  
Typical 10,000 Write Cycles  
Description  
The AT49F002(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  
Atmels advanced nonvolatile CMOS technology, the device offers access times to 55  
ns with power dissipation of just 275 mW over the commercial temperature range.  
AT49F002  
AT49F002N  
AT49F002T  
AT49F002NT  
Not Recommended  
for New Design  
Contact Atmel to discuss  
the latest design in trends  
and options  
(continued)  
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  
OE  
A4  
25 A11  
24 OE  
23 A10  
22 CE  
21 I/O7  
20 I/O6  
19 I/O5  
18 I/O4  
17 I/O3  
A3  
WE  
A2 10  
A1 11  
A0 12  
RESET  
I/O0 13  
I/O1 14  
I/O2 15  
GND 16  
I/O0 - I/O7 Data Inputs/Outputs  
DC  
Dont Connect  
PLCC Top View  
VSOP Top View (8 x 14 mm) or  
TSOP Top View (8 x 20 mm)  
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  
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  
9
10  
11  
12  
13  
14  
15  
16  
I/O0 13  
A6  
A1  
A5  
A2  
Rev. 1017D10/99  
A4  
A3  
*Note: This pin is a DC on the AT49F002(N)(T).  

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