AT49F2048A-70TC Atmel, AT49F2048A-70TC Datasheet - Page 10

• Manufacturer Part Number: AT49F2048A-70TC
• Description: IC FLASH 2MBIT 70NS 48TSOP
• Manufacturer: Atmel

Specifications of AT49F2048A-70TC

• Format - Memory: FLASH
• Memory Type: FLASH
• Memory Size: 2M (256K x 8 or 128K x 16)
• Speed: 70ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 48-TSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Software Product Identification Entry
Software Product Identification Exit
Notes:
10
IDENTIFICATION
ADDRESS 2AAA
ADDRESS 5555
ADDRESS 5555
EXIT PRODUCT
LOAD DATA AA
LOAD DATA 55
LOAD DATA F0
1.
2.
3.
4.
5.
6.
MODE
AT49F2048A
Data Format: I/O15 - I/O8 (Don’t Care);
I/O7 - I/O0 (Hex)
Address Format: A15 - A0 (Hex);
A-1 and A15 - A16 (Don’t Care).
A1 - A16 = V
Manufacturer Code is read for A0 = V
Device Code is read for A0 = V
The device does not remain in identification mode if
powered down.
The device returns to standard operation mode.
Manufacturer Code: 001FH
Device Code: 0082H
Either one of the Product ID Exit commands can be
used.
TO
TO
TO
(4)
ENTER PRODUCT
IDENTIFICATION
ADDRESS 2AAA
LOAD DATA AA
ADDRESS 5555
ADDRESS 5555
LOAD DATA 55
LOAD DATA 90
MODE
IL
.
OR
TO
TO
TO
(2)(3)(5)
IDENTIFICATION
EXIT PRODUCT
LOAD DATA F0
ANY ADDRESS
IH
.
MODE
TO
IL
;
(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 - A16
(Don’t Care).
Boot Block Lockout feature enabled.
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
(1)
TO
TO
TO
TO
TO
TO