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What is AT49F001T?

This electronic component, produced by the manufacturer "ATMEL Corporation", performs the same function as "1-Megabit 5-volt Only Flash Memory".


AT49F001T Datasheet PDF - ATMEL Corporation

Part Number AT49F001T
Description 1-Megabit 5-volt Only Flash Memory
Manufacturers ATMEL Corporation 
Logo ATMEL Corporation Logo 


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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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AT49F001T equivalent
AT49F001(N)(T)
Command Definition (in Hex)(1)
Command
Sequence
Bus
Cycles
1st Bus
Cycle
Addr Data
2nd Bus
Cycle
Addr Data
3rd Bus
Cycle
Addr Data
4th Bus
Cycle
Addr Data
5th Bus
Cycle
Addr Data
Read
Chip Erase
1 Addr DOUT
6 5555 AA 2AAA 55 5555 80 5555 AA 2AAA 55
Sector Erase
6 5555 AA 2AAA 55 5555 80 5555 AA 2AAA 55
Byte Program
4 5555 AA 2AAA 55 5555 A0 Addr DIN
Boot Block Lockout(2) 6 5555 AA 2AAA 55 5555 80 5555 AA 2AAA 55
Product ID Entry
3 5555 AA 2AAA 55 5555 90
Product ID Exit(3)
3 5555 AA 2AAA 55 5555 F0
Product ID Exit(3)
1 XXXX F0
Notes: 1. The DATA FORMAT in each bus cycle is as follows: I/O7 - I/O0 (Hex)
2. The 16K byte boot sector has the address range 00000H to 03FFFH for the AT49F001(N) and
1C000H to 1FFFFH for the AT49F001(N)T.
3. Either one of the Product ID Exit commands can be used.
4. SA = sector addresses
For the AT49F001(N):
SA = 10000 to 1FFFF for BOOT BLOCK
Nothing will happen and the device goes back to the read mode in 100 ns
SA = 04000 to 05FFF for PARAMETER BLOCK 1
SA = 06000 to 07FFF for PARAMETER BLOCK 2
SA = 08000 to 0FFFF for MAIN MEMORY ARRAY BLOCK 1
This command will erase - PB1, PB2 and MMB1
SA = 10000 to 1FFFF for MAIN MEMORY ARRAY BLOCK 2
6th Bus
Cycle
Addr Data
5555
SA(4)
10
30
5555 40
For the AT49F001(N)T:
SA = 1C000 to 1FFFF for BOOT BLOCK
Nothing will happen and the device goes back to the read mode in 100 ns
SA = 1A000 to 1BFFF for PARAMETER BLOCK 1
SA = 18000 to 19FFF for PARAMETER BLOCK 2
SA = 10000 to 17FFF for MAIN MEMORY ARRAY BLOCK 1
This command will erase - PB1, PB2 and MMB1
SA = 00000 to 0FFFF for MAIN MEMORY ARRAY BLOCK 2
Absolute Maximum Ratings*
Temperature Under Bias ................................ -55°C to +125°C
Storage Temperature ..................................... -65°C to +150°C
All Input Voltages
(including NC Pins)
with Respect to Ground ...................................-0.6V to +6.25V
All Output Voltages
with Respect to Ground .............................-0.6V to VCC + 0.6V
Voltage on OE
with Respect to Ground ...................................-0.6V to +13.5V
*NOTICE:
Stresses beyond those listed under “Absolute Maxi-
mum Ratings” may cause permanent damage to the
device. This is a stress rating only and functional
operation of the device at these or any other condi-
tions beyond those indicated in the operational sec-
tions of this specification is not implied. Exposure to
absolute maximum rating conditions for extended
periods may affect device reliability.
5


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for AT49F001T electronic component.


Information Total 16 Pages
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