AT49F008AT-90TI Atmel, AT49F008AT-90TI Datasheet - Page 13

• Manufacturer Part Number: AT49F008AT-90TI
• Manufacturer: Atmel

Specifications of AT49F008AT-90TI

• Cell Type: NOR
• Density: 8Mb
• Access Time (max): 90ns
• Interface Type: Parallel
• Boot Type: Top
• Address Bus: 20/19Bit
• Operating Supply Voltage (typ): 5V
• Operating Temp Range: -40C to 85C
• Package Type: TSOP-I
• Program/erase Volt (typ): 4.5 to 5.5V
• Sync/async: Asynchronous
• Operating Temperature Classification: Industrial
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Word Size: 8/16Bit
• Number Of Words: 1M/512K
• Supply Current: 50mA
• Mounting: Surface Mount
• Pin Count: 40
• Lead Free Status / Rohs Status: Not Compliant

Software Product Identification Entry
Software Product Identification Exit
Notes:
1199G–FLASH–11/02
1. Data Format: I/O15 - I/O8 (Don’t Care); I/O7 - I/O0 (Hex).
2. A1 - A18 = V
3. The device does not remain in identification mode if
4. The device returns to standard operation mode.
5. Manufacturer Code: 001FH
6. Either one of the Product ID Exit commands can be used.
ADDRESS 2AAA
ADDRESS 5555
ADDRESS 5555
IDENTIFICATION
Address Format: A15 - A0 (Hex); A-1 and A15 - A18 (Don’t
Care).
Manufacturer Code is read for A0 = V
Device Code is read for A0 = V
powered down.
Device Code: 22H (AT49F008A); 00A0H
(AT49F8192A);
21H (AT49F008AT); 00A3H (AT49F8192AT)
EXIT PRODUCT
LOAD DATA AA
LOAD DATA F0
LOAD DATA 55
MODE
TO
TO
TO
(4)
(7)
(7)
(7)
IL
.
ADDRESS 2AAA
ADDRESS 5555
ENTER PRODUCT
ADDRESS 5555
IDENTIFICATION
LOAD DATA AA
LOAD DATA 55
LOAD DATA 90
MODE
OR
TO
TO
TO
(2)(3)(5)
(7)
(7)
(7)
IH
IDENTIFICATION
EXIT PRODUCT
ANY ADDRESS
LOAD DATA F0
.
MODE
IL
TO
.
(4)
(1)(6)
(1)
Boot Block Lockout Enable Algorithm
Notes:
1.
2.
Data Format: I/O15 - I/O8 (Don’t Care); I/O7 - I/O0 (Hex).
Address Format: A15 - A0 (Hex); A-1 and A15 - A18 (Don’t
Care).
Boot Block Lockout feature enabled.
AT49F008A(T)/8192A(T)
PAUSE 1 second
ADDRESS 2AAA
ADDRESS 2AAA
ADDRESS 5555
ADDRESS 5555
ADDRESS 5555
ADDRESS 5555
LOAD DATA AA
LOAD DATA AA
LOAD DATA 55
LOAD DATA 80
LOAD DATA 55
LOAD DATA 40
TO
TO
TO
TO
TO
TO
(3)
(3)
(3)
(3)
(3)
(3)
(2)
(1)
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