參數(shù)資料
型號(hào)： AT49BV002T-90VI
廠商： ATMEL CORP
元件分類： DRAM
英文描述： LM4250 Programmable Operational Amplifier; Package: TO-99; No of Pins: 8
中文描述： 256K X 8 FLASH 2.7V PROM, 90 ns, PDSO32
封裝： 8 X 14 MM, VSOP-32
文件頁數(shù)： 1/20頁
文件大小： 171K
代理商： AT49BV002T-90VI
1
2-Megabit
(256K x 8)
Single 2.7-Volt
Battery-Voltage
Flash Memory
AT49BV002
AT49LV002
AT49BV002N
AT49LV002N
AT49BV002T
AT49LV002T
AT49BV002NT
AT49LV002NT
Features
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
– 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 - 30
μ
s/Byte Typical
Hardware Data Protection
DATA Polling For End Of Program Detection
Low Power Dissipation
– 25 mA Active Current
– 50
μ
A CMOS Standby Current
Typical 10,000 Write Cycles
Description
The AT49BV/LV002(N)(T) is a 3-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 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
μ
A. For the
Rev. 0982C–07/98
Pin Configurations
Pin Name
Function
A0 - A17
Addresses
CE
Chip Enable
OE
Output Enable
WE
Write Enable
RESET
RESET
I/O0 - I/O7
Data Inputs/Outputs
DC
Don’t Connect
DIP Top View
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
*RESET
A16
A15
A12
A7
A6
A5
A4
A3
A2
A1
A0
I/O0
I/O1
I/O2
GND
VCC
WE
A17
A14
A13
A8
A9
A11
OE
A10
CE
I/O7
I/O6
I/O5
I/O4
I/O3
PLCC Top View
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
4
3
2
1
3
3
3
1
1
1
1
1
1
2
I
I
G
I
I
I
I
A
A
A
R
V
W
A
(continued)
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
A17
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 DC on the AT49BV002N(T) and AT49LV002N(T).
相關(guān)PDF資料
PDF描述
AT49LV002-12JC 2-Megabit 256K x 8 Single 2.7-Volt Battery-Voltage Flash Memory
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