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AT49F001 Datasheet دیتاشیت PDF دانلود

دیتاشیت - ATMEL - 1-Megabit 5-volt Only Flash Memory

شماره قطعه AT49F001
شرح مفصل 1-Megabit 5-volt Only Flash Memory
تولید کننده ATMEL 
آرم ATMEL 


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AT49F001 شرح
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 (32K, 64K) Bytes
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
– 50 mA Active Current
– 100 µA CMOS Standby Current
Typical 10,000 Write Cycles
Description
The AT49F001(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 55
ns with power dissipation of just 275 mW over the commercial temperature range.
(continued)
Pin Configurations
DIP Top View
Pin Name
A0 - A16
CE
OE
WE
RESET
I/O0 - I/O7
NC
DC
Function
Addresses
Chip Enable
Output Enable
Write Enable
RESET
Data Inputs/Outputs
No Connect
Don’t Connect
PLCC 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 VCC
31 WE
30 NC
29 A14
28 A13
27 A8
26 A9
25 A11
24 OE
23 A10
22 CE
21 I/O7
20 I/O6
19 I/O5
18 I/O4
17 I/O3
VSOP Top View (8 x 14 mm) or
TSOP Top View (8 x 20 mm)
Type 1
A7
A6
A5
A4
A3
A2
A1
A0
I/O0
5
6
7
8
9
10
11
12
13
29 A14
28 A13
27 A8
26 A9
25 A11
24 OE
23 A10
22 CE
21 I/O7
A11
A9
A8
A13
A14
NC
WE
VCC
* RESET
A16
A15
A12
A7
A6
A5
A4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32 OE
31 A10
30 CE
29 I/O7
28 I/O6
27 I/O5
26 I/O4
25 I/O3
24 GND
23 I/O2
22 I/O1
21 I/O0
20 A0
19 A1
18 A2
17 A3
*Note: This pin is a DC on the AT49F001N(T).
1-Megabit
(128K x 8)
5-volt Only
Flash Memory
AT49F001
AT49F001N
AT49F001T
AT49F001NT
Rev. 1008B–07/98
1

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