AT49BV040B-JU Atmel, AT49BV040B-JU Datasheet - Page 15

• Manufacturer Part Number: AT49BV040B-JU
• Description: IC FLASH 4MBIT 70NS 32PLCC
• Manufacturer: Atmel

Specifications of AT49BV040B-JU

• Format - Memory: FLASH
• Memory Type: FLASH
• Memory Size: 4M (512K x 8)
• Speed: 70ns
• Interface: Parallel
• Voltage - Supply: 2.7 V ~ 3.6 V, 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-PLCC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: AT49BV040B-70JU; AT49BV040B-70JU

25. Software Product Identification
26. Software Product Identification
Notes:
15
Entry
Exit
IDENTIFICATION
EXIT PRODUCT
LOAD DATA AA
LOAD DATA 55
ADDRESS AAA
LOAD DATA F0
ADDRESS 555
ADDRESS 555
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
MODE
AT49BV040B
Address Format: A11 - A0 (Hex).
Manufacture Code is read for A0 = V
Device Code is read for A0 = V
Additional Device Code is read for address 0003H
powered down.
Device Code: 13H.
Additional Device Code: 10H.
(1)
TO
TO
TO
(1)
(4)
ENTER PRODUCT
IDENTIFICATION
IL
LOAD DATA AA
LOAD DATA 55
ADDRESS AAA
LOAD DATA 90
ADDRESS 555
ADDRESS 555
.
MODE
OR
TO
TO
TO
(2)(3)(5)
IH
IDENTIFICATION
.
ANY ADDRESS
EXIT PRODUCT
LOAD DATA F0
MODE
IL
;
TO
(4)
27. Boot Block Lockout Feature Enable
Notes:
Algorithm
1. Data Format: I/O7 - I/O0 (Hex);
2. Boot block lockout feature enabled.
Address Format: A11 - A0 (Hex).
(1)
PAUSE 1 second
LOAD DATA AA
LOAD DATA AA
LOAD DATA 55
ADDRESS AAA
LOAD DATA 80
LOAD DATA 55
ADDRESS AAA
LOAD DATA 40
ADDRESS 555
ADDRESS 555
ADDRESS 555
ADDRESS 555
TO
TO
TO
TO
TO
TO
(2)
3499B–FLASH–4/06