AT49F512-90VI Atmel, AT49F512-90VI Datasheet - Page 12

• Manufacturer Part Number: AT49F512-90VI
• Description: IC FLASH 512KBIT 90NS 32VSOP
• Manufacturer: Atmel

Specifications of AT49F512-90VI

• Format - Memory: FLASH
• Memory Type: FLASH
• Memory Size: 512K (64K x 8)
• Speed: 90ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-VSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

24. Software Product Identification
25. Software Product Identification
Notes:
1027H–FLASH–10/05
Entry
Exit
1.
2.
3.
4.
5.
IDENTIFICATION
Data Format: I/O7 - I/O0 (Hex);
Address Format: A14 - A0 (Hex).
A1 - A15 = V
Manufacture Code is read for A0 = V
Device Code is read for A0 = V
The device does not remain in identification mode if pow-
ered down.
The device returns to standard operation mode.
Manufacturer Code: 1FH
Device Code: 03H
(1)
ADDRESS 2AAA
EXIT PRODUCT
LOAD DATA AA
ADDRESS 5555
ADDRESS 5555
LOAD DATA F0
LOAD DATA 55
(1)
MODE
TO
TO
TO
(4)
IL
ENTER PRODUCT
.
IDENTIFICATION
ADDRESS 2AAA
ADDRESS 5555
ADDRESS 5555
LOAD DATA AA
LOAD DATA 55
LOAD DATA 90
MODE
TO
TO
TO
OR
(2)(3)(5)
IDENTIFICATION
EXIT PRODUCT
LOAD DATA F0
ANY ADDRESS
IH
.
MODE
TO
IL
;
(4)
26. Boot Block Lockout Enable
Notes:
Algorithm
1.
2.
Data Format: I/O7 - I/O0 (Hex);
Address Format: A14 - A0 (Hex).
Boot block lockout feature enabled.
(1)
PAUSE 1 second
ADDRESS 2AAA
ADDRESS 2AAA
LOAD DATA AA
ADDRESS 5555
ADDRESS 5555
LOAD DATA AA
ADDRESS 5555
ADDRESS 5555
LOAD DATA 55
LOAD DATA 80
LOAD DATA 55
LOAD DATA 40
TO
TO
TO
TO
TO
TO
(2)
AT49F512
12