鈥?/div>
Single Supply for Read and Write: 2.7V to 3.6 (BV), 3.0 to 3.6V (LV)
Fast Read Access Time - 70 ns
Internal Program Control and Timer
Sector Architecture
鈥?One 16K Byte Boot Block with Programming Lockout
鈥?Two 8K Byte Parameter Blocks
鈥?Two Main Memory Blocks (32K, 64K) Bytes
Fast Erase Cycle Time - 10 seconds
Byte By Byte Programming - 30
碌
s/Byte Typical
Hardware Data Protection
DATA Polling For End Of Program Detection
Low Power Dissipation
鈥?25 mA Active Current
鈥?50
碌
A CMOS Standby Current
Typical 10,000 Write Cycles
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Description
The AT49BV/LV001(N)(T) is a 3-volt-only in-system reprogrammable Flash Memory.
Its 1 megabit of memory is organized as 131,072 words by 8 bits. Manufactured with
Atmel鈥檚 advanced nonvolatile CMOS technology, the device offers access times to 70
ns with power dissipation of just 90 mW over the commercial temperature range.
When the device is deselected, the CMOS standby current is less than 50
碌A(chǔ).
For the
(continued)
1-Megabit
(128K x 8)
Single 2.7-Volt
Battery-Voltage
鈩?/div>
Flash Memory
AT49BV001
AT49LV001
AT49BV001N
AT49LV001N
AT49BV001T
AT49LV001T
AT49BV001NT
AT49LV001NT
Pin Configurations
Pin Name
A0 - A16
CE
OE
WE
RESET
I/O0 - I/O7
DC
NC
Function
Addresses
Chip Enable
Output Enable
Write Enable
RESET
Data Inputs/Outputs
Don鈥檛 Connect
No Connect
PLCC Top View
A12
A15
A16
RESET*
VCC
WE
NC
A11
A9
A8
A13
A14
NC
WE
VCC
*RESET
A16
A15
A12
A7
A6
A5
A4
DIP Top View
*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
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
VCC
WE
NC
A14
A13
A8
A9
A11
OE
A10
CE
I/O7
I/O6
I/O5
I/O4
I/O3
VSOP Top View (8 x 14mm) or
TSOP Top View (8 x 20mm)
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
OE
A10
CE
I/O7
I/O6
I/O5
I/O4
I/O3
GND
I/O2
I/O1
I/O0
A0
A1
A2
A3
I/O1
I/O2
GND
I/O3
I/O4
I/O5
I/O6
14
15
16
17
18
19
20
A7
A6
A5
A4
A3
A2
A1
A0
I/O0
5
6
7
8
9
10
11
12
13
4
3
2
1
32
31
30
29
28
27
26
25
24
23
22
21
A14
A13
A8
A9
A11
OE
A10
CE
I/O7
Rev. 1110A鈥?7/98
*Note: This pin is a DC on the AT49BV001N(T) and AT49LV001N(T).
1
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