AT49F002NT70PC ATMEL Corporation, AT49F002NT70PC Datasheet
AT49F002NT70PC
Manufacturer Part Number
AT49F002NT70PC
Description
DIP32
Manufacturer
ATMEL Corporation
Datasheet
1.AT49F00270TC.pdf
(17 pages)
Specifications of AT49F002NT70PC
Date_code
04+
Features
•
•
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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
Atmel’s 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
*Note: This pin is a DC on the AT49F002(N)(T).
Pin Name
A0 - A17
CE
OE
WE
RESET
I/O0 - I/O7
DC
Single-voltage Operation
Fast Read Access Time - 55 ns
Internal Program Control and Timer
Sector Architecture
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
Typical 10,000 Write Cycles
I/O0
– 5V Read
– 5V Reprogramming
– One 16K Byte Boot Block with Programming Lockout
– Two 8K Byte Parameter Blocks
– Two Main Memory Blocks (96K, 128K Bytes)
– 50 mA Active Current
– 100 µA CMOS Standby Current
A7
A6
A5
A4
A3
A2
A1
A0
5
6
7
8
9
10
11
12
13
PLCC Top View
Function
Addresses
Chip Enable
Output Enable
Write Enable
RESET
Data Inputs/Outputs
Don’t Connect
29
28
27
26
25
24
23
22
21
A14
A13
A8
A9
A11
OE
A10
CE
I/O7
* RESET
VCC
A11
A13
A14
A17
A16
A15
A12
WE
A9
A8
A7
A6
A5
A4
VSOP Top View (8 x 14 mm) or
TSOP Top View (8 x 20 mm)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
* RESET
GND
I/O0
I/O1
I/O2
A16
A15
A12
DIP Top View
A7
A6
A5
A4
A3
A2
A1
A0
Type 1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
VCC
WE
A17
A14
A13
A8
A9
A11
OE
A10
CE
I/O7
I/O6
I/O5
I/O4
I/O3
(continued)
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
OE
A10
CE
I/O7
I/O6
I/O5
I/O4
I/O3
GND
I/O2
I/O1
I/O0
A0
A1
A2
A3
2-megabit
(256K x 8)
5-volt Only
Flash Memory
AT49F002
AT49F002N
AT49F002T
AT49F002NT
Rev. 1017D–10/99
1
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