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AT49F001A-45JI Datasheet(PDF) 1 Page - ATMEL Corporation

Part # AT49F001A-45JI
Description  1-MEGABIT (128 X 8) 5-VOLT ONLY FLASH MEMORY
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT49F001A-45JI Datasheet(HTML) 1 Page - ATMEL Corporation

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1
3365C–FLASH–9/03
Features
Single-voltage Operation
–5V Read
– 5V Reprogramming
Fast Read Access Time – 45 ns
Internal Program Control and Timer
Sector Architecture
– One 16K Bytes Boot Block with Programming Lockout
– Two 8K Bytes Parameter Blocks
– Two Main Memory Blocks (32K Bytes, 64K Bytes)
Fast Erase Cycle Time – 3 Seconds
Byte-by-Byte Programming – 30 µs/Byte Typical
Hardware Data Protection
DATA Polling for End of Program Detection
Low Power Dissipation
– 20 mA Active Current
– 50 µA CMOS Standby Current
Typical 10,000 Write Cycles
Description
The AT49F001A(N)(T) is a 5-volt only in-system reprogrammable Flash memory. Its
1 megabit of memory is organized as 131,072 words by 8 bits. Manufactured with
Atmel’s advanced nonvolatile CMOS technology, the device offers access times to
45 ns with power dissipation of just 110 mW over the industrial temperature range.
1-megabit
(128K x 8)
5-volt Only
Flash Memory
AT49F001A
AT49F001AN
AT49F001AT
AT49F001ANT
PLCC Top View
Pin Configurations
Pin Name
Function
A0 - A16
Addresses
CE
Chip Enable
OE
Output Enable
WE
Write Enable
RESET
RESET
I/O0 - I/O7
Data Inputs/Outputs
NC
No Connect
5
6
7
8
9
10
11
12
13
29
28
27
26
25
24
23
22
21
A7
A6
A5
A4
A3
A2
A1
A0
I/O0
A14
A13
A8
A9
A11
OE
A10
CE
I/O7
VSOP Top View (8 x 14 mm) or
TSOP Top View (8 x 20 mm)
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
A11
A9
A8
A13
A14
NC
WE
VCC
* RESET
A16
A15
A12
A7
A6
A5
A4
OE
A10
CE
I/O7
I/O6
I/O5
I/O4
I/O3
GND
I/O2
I/O1
I/O0
A0
A1
A2
A3
Note:
*This pin is a NC on the AT49F001AN(T)


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