參數(shù)資料
型號(hào): AT49F002T-55JC
廠商: ATMEL CORP
元件分類: DRAM
英文描述: 2-Megabit 256K x 8 5-volt Only CMOS Flash Memory
中文描述: 256K X 8 FLASH 5V PROM, 55 ns, PQCC32
封裝: PLASTIC, MS-016AE, LCC-32
文件頁(yè)數(shù): 1/12頁(yè)
文件大?。?/td> 119K
代理商: AT49F002T-55JC
1
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
μ
s/Byte Typical
Hardware Data Protection
DATA Polling For End Of Program Detection
Low Power Dissipation
– 50 mA Active Current
– 100
μ
A 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
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.
0920B-B–12/97
2-Megabit
(256K x 8)
5-volt Only
CMOS Flash
Memory
AT49F002T
AT49F002NT
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
NC
No 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)
TSOP Top View
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 NC on the AT49F002NT.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AT49F002T-55JI 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:2-Megabit 256K x 8 5-volt Only CMOS Flash Memory
AT49F002T-55PC 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:2-Megabit 256K x 8 5-volt Only CMOS Flash Memory
AT49F002T-55PI 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:2-Megabit 256K x 8 5-volt Only CMOS Flash Memory
AT49F002T-55TC 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:2-Megabit 256K x 8 5-volt Only CMOS Flash Memory
AT49F002T-55TI 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:2-Megabit 256K x 8 5-volt Only CMOS Flash Memory