AT49BV320AT-70TI Atmel, AT49BV320AT-70TI Datasheet - Page 26

• Manufacturer Part Number: AT49BV320AT-70TI
• Manufacturer: Atmel

Specifications of AT49BV320AT-70TI

• Cell Type: NOR
• Density: 32Mb
• Access Time (max): 70ns
• Interface Type: Parallel
• Boot Type: Top
• Address Bus: 22/21Bit
• Operating Supply Voltage (typ): 3.3V
• Operating Temp Range: -40C to 85C
• Package Type: TSOP-I
• Program/erase Volt (typ): 2.65 to 3.6V
• Sync/async: Asynchronous
• Operating Temperature Classification: Industrial
• Operating Supply Voltage (min): 2.65V
• Operating Supply Voltage (max): 3.6V
• Word Size: 8/16Bit
• Number Of Words: 4M/2M
• Supply Current: 25mA
• Mounting: Surface Mount
• Pin Count: 48
• Lead Free Status / Rohs Status: Not Compliant

Software Product Identification Entry
Software Product Identification Exit
Notes:
26
1. Data Format: I/O15 - I/O8 (Don’t Care); I/O7 - I/O0 (Hex)
2.
3. The device does not remain in identification mode if powered
4. The device returns to standard operation mode.
5. Manufacturer Code: 1FH(x8); 001FH(x16)
6. Either one of the Product ID Exit commands can be used.
AT49BV32XA(T)
IDENTIFICATION
LOAD DATA AA
EXIT PRODUCT
Address Format: A11 - A0 (Hex), A-1, and A11 - A20 (Don’t
Care).
A1 - A20 = V
Device Code is read for A0 = V
down.
Device Code:
LOAD DATA F0
LOAD DATA 55
ADDRESS AAA
ADDRESS 555
ADDRESS 555
MODE
TO
TO
TO
(4)
IL
ENTER PRODUCT
IDENTIFICATION
. Manufacturer Code is read for A0 = V
C8 (x8) - AT49BV32XA;
00C8 (x16) - AT49BV32XA;
C9H (x8) - AT49BV32XAT;
00C9H (x16) - AT49BV32XAT.
LOAD DATA AA
ADDRESS 555
LOAD DATA 55
ADDRESS AAA
LOAD DATA 90
ADDRESS 555
MODE
OR
TO
TO
TO
(2)(3)(5)
IH
IDENTIFICATION
.
EXIT PRODUCT
LOAD DATA F0
ANY ADDRESS
MODE
TO
(4)
(1)(6)
(1)
IL
;
Sector Lockdown Enable Algorithm
Notes:
1. Data Format: I/O15 - I/O8 (Don’t Care); I/O7 - I/O0 (Hex)
2. Sector Lockdown feature enabled.
Address Format: A11 - A0 (Hex), A-1, and A11 - A20
(Don’t Care).
SECTOR ADDRESS
PAUSE 200 s
LOAD DATA AA
ADDRESS AAA
LOAD DATA AA
ADDRESS AAA
LOAD DATA 55
LOAD DATA 80
LOAD DATA 55
LOAD DATA 60
ADDRESS 555
ADDRESS 555
ADDRESS 555
TO
TO
TO
TO
TO
TO
(2)
3308D–FLASH–5/03
(1)