AT49F4096-90RC Atmel, AT49F4096-90RC Datasheet - Page 10

• Manufacturer Part Number: AT49F4096-90RC
• Manufacturer: Atmel

Specifications of AT49F4096-90RC

• Cell Type: NOR
• Density: 4Mb
• Access Time (max): 90ns
• Interface Type: Parallel
• Boot Type: Bottom
• Address Bus: 18b
• Operating Supply Voltage (typ): 5V
• Operating Temp Range: 0C to 70C
• Package Type: SOIC
• Program/erase Volt (typ): 5V
• Sync/async: Asynchronous
• Operating Temperature Classification: Commercial
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Word Size: 16b
• Number Of Words: 256K
• Supply Current: 50mA
• Mounting: Surface Mount
• Pin Count: 44
• Lead Free Status / Rohs Status: Not Compliant

Software Product Identification Entry
Software Product Identification Exit
Notes for software product identification:
1. Data Format: I/O15 - I/O8 (Don’t Care); I/O7 - I/O0
2. A1 - A17 = V
3. The device does not remain in identification mode if
4. The device returns to standard operation mode.
5. Manufacturer Code is 1FH. The Device Code is
6. Either one of the Product ID Exit commands can be
10
(Hex);
Address Format: A14 - A0 (Hex).
Manufacturer Code is read for A0 = V
Device Code is read for A0 = V
powered down.
92H.
used.
IDENTIFICATION
ADDRESS 2AAA
EXIT PRODUCT
LOAD DATA AA
ADDRESS 5555
ADDRESS 5555
LOAD DATA F0
LOAD DATA 55
MODE
TO
TO
TO
IL
.
(4)
ENTER PRODUCT
IDENTIFICATION
ADDRESS 2AAA
AT49F4096
LOAD DATA AA
ADDRESS 5555
ADDRESS 5555
LOAD DATA 55
LOAD DATA 90
MODE
TO
TO
TO
OR
(2)(3)(5)
IH
IDENTIFICATION
EXIT PRODUCT
LOAD DATA F0
ANY ADDRESS
.
MODE
TO
IL
;
(4)
(1)
(1)
Boot Block Lockout
Feature Enable Algorithm
Notes for boot block lockout feature enable:
1. Data Format: I/O15 - I/O8 (Don’t Care); I/O7 - I/O0
2. Boot block lockout feature enabled.
(Hex);
Address Format: A14 - A0 (Hex).
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
(2)
(1)