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AT49F4096A-90TI Datasheet(PDF) 6 Page - ATMEL Corporation

Part # AT49F4096A-90TI
Description  4-Megabit 512K x 8/ 256K x 16 CMOS Flash Memory
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT49F4096A-90TI Datasheet(HTML) 6 Page - ATMEL Corporation

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AT49F004(T)/4096A(T)
6
Notes:
1. The DATA FORMAT in each bus cycle is as follows: I/O15 - I/O8 (Don’t Care); I/O7 - I/O0 (Hex)
The ADDRESS FORMAT in each bus cycle is as follows: A15 - A0 (Hex), A-1, and A15 - A18 (Don’t Care)
2. The boot sector has the address range 00000H to 03FFFH for the AT49F004; 7C000H to 7FFFFH for the AT49F004T;
00000H to 01FFFH for the AT49F4096A; and 3E000H to 3FFFFH for the AT49F4096AT.
3. Either one of the Product ID Exit commands can be used.
4. SA = sector addresses: (A18 - A0)
For the AT49F004
SA = 03XXX for BOOT BLOCK
SA = 05XXX for PARAMETER BLOCK 1
SA = 07XXX for PARAMETER BLOCK 2
SA = 7FXXX for MAIN MEMORY ARRAY
For the AT49F004(T)
SA = 7FXXX for BOOT BLOCK
SA = 7BXXX for PARAMETER BLOCK 1
SA = 79XXX for PARAMETER BLOCK 2
SA = 77XXX for MAIN MEMORY ARRAY
SA = sector addresses: (A17 - A0)
For the AT49F4096A
SA = 01XXX for BOOT BLOCK
SA = 02XXX for PARAMETER BLOCK 1
SA = 03XXX for PARAMETER BLOCK 2
SA = 3FXXX for MAIN MEMORY ARRAY
For the AT49F4096AT
SA = 3FXXX for BOOT BLOCK
SA = 3DXXX for PARAMETER BLOCK 1
SA = 3CXXX for PARAMETER BLOCK 2
SA = 3BXXX for MAIN MEMORY ARRAY
Command Definition (in Hex)(1)
Command
Sequence
Bus
Cycles
1st Bus
Cycle
2nd Bus
Cycle
3rd Bus
Cycle
4th Bus
Cycle
5th Bus
Cycle
6th Bus
Cycle
Addr
Data
Addr
Data
Addr
Data
Addr
Data
Addr
Data
Addr
Data
Read
1
Addr
D
OUT
Chip Erase
6
5555
AA
2AAA
55
5555
80
5555
AA
2AAA
55
5555
10
Sector Erase
6
5555
AA
2AAA
55
5555
80
5555
AA
2AAA
55
SA(4)
30
Byte/Word Program
4
5555
AA
2AAA
55
5555
A0
Addr
D
IN
Boot Block Lockout(2)
6
5555
AA
2AAA
55
5555
80
5555
AA
2AAA
55
5555
40
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)
1xxxx
F0
Absolute Maximum Ratings*
Temperature Under Bias ................................ -55
°C to +125°C
*NOTICE:
Stresses beyond those listed under “Absolute
Maximum Ratings” may cause permanent dam-
age to the device. This is a stress rating only and
functional operation of the device at these or any
other conditions beyond those indicated in the
operational sections of this specification is not
implied. Exposure to absolute maximum rating
conditions for extended periods may affect device
reliability.
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 V
CC + 0.6V
Voltage on RESET
with Respect to Ground ...................................-0.6V to +13.5V


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