AT49F040-70VC Atmel, AT49F040-70VC Datasheet - Page 10

• Manufacturer Part Number: AT49F040-70VC
• Description: IC FLASH 4MBIT 70NS 32VSOP
• Manufacturer: Atmel

Specifications of AT49F040-70VC

• Format - Memory: FLASH
• Memory Type: FLASH
• Memory Size: 4M (512K x 8)
• Speed: 70ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 32-VSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Software Product
Identification Entry
Software Product
Identification Exit
Notes for software product identification:
1. Data Format: 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: 1FH
10
Address Format: A14 - A0 (Hex).
Manufacture Code is read for A0 = V
Device Code is read for A0 = V
powered down.
Device Code: 13H
IDENTIFICATION
EXIT PRODUCT
ADDRESS 2AAA
LOAD DATA AA
ADDRESS 5555
ADDRESS 5555
LOAD DATA 55
LOAD DATA F0
MODE
TO
TO
TO
(4)
IL
.
ENTER PRODUCT
IDENTIFICATION
ADDRESS 2AAA
ADDRESS 5555
ADDRESS 5555
LOAD DATA AA
LOAD DATA 55
LOAD DATA 90
AT49F040
(1)
MODE
OR
TO
TO
TO
(1)
(2)(3)(5)
IH
.
IDENTIFICATION
EXIT PRODUCT
LOAD DATA F0
ANY ADDRESS
IL
;
MODE
TO
(4)
Boot Block Lockout
Feature Enable Algorithm
Notes for boot block lockout feature enable:
1. Data Format: I/O7 - I/O0 (Hex);
2. Boot block lockout feature enabled.
Address Format: A14 - A0 (Hex).
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)
(1)