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AT49F002N Datasheet دیتاشیت PDF دانلود

دیتاشیت - ATMEL - 2-Megabit 5-volt Only Flash Memory

شماره قطعه AT49F002N
شرح مفصل 2-Megabit 5-volt Only Flash Memory
تولید کننده ATMEL 
آرم ATMEL 


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AT49F002N شرح
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
DATA Polling for End of Program Detection
Low Power Dissipation
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.
Pin Configurations
(continued)
DIP Top View
Pin Name
A0 - A17
CE
OE
WE
RESET
I/O0 - I/O7
DC
Function
Addresses
Chip Enable
Output Enable
Write Enable
RESET
Data Inputs/Outputs
Dont Connect
* RESET
A16
A15
A12
A7
A6
A5
A4
A3
A2
A1
A0
I/O0
I/O1
I/O2
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32 VCC
31 WE
30 A17
29 A14
28 A13
27 A8
26 A9
25 A11
24 OE
23 A10
22 CE
21 I/O7
20 I/O6
19 I/O5
18 I/O4
17 I/O3
PLCC Top View
VSOP Top View (8 x 14 mm) or
TSOP Top View (8 x 20 mm)
Type 1
A7 5
A6 6
A5 7
A4 8
A3 9
A2 10
A1 11
A0 12
I/O0 13
29 A14
28 A13
27 A8
26 A9
25 A11
24 OE
23 A10
22 CE
21 I/O7
A11
A9
A8
A13
A14
A17
WE
VCC
* RESET
A16
A15
A12
A7
A6
A5
A4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
*Note: This pin is a DC on the AT49F002(N)(T).
32 OE
31 A10
30 CE
29 I/O7
28 I/O6
27 I/O5
26 I/O4
25 I/O3
24 GND
23 I/O2
22 I/O1
21 I/O0
20 A0
19 A1
18 A2
17 A3
2-megabit
(256K x 8)
5-volt Only
Flash Memory
AT49F002
AT49F002N
AT49F002T
AT49F002NT
Rev. 1017D10/99
1

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