at49bv320ct ATMEL Corporation, at49bv320ct Datasheet - Page 15

• Manufacturer Part Number: at49bv320ct
• Description: 32-megabit 2m X 16 3-volt Only Flash Memory
• Manufacturer: ATMEL Corporation

21. Command Definition Table
Notes:
22. Absolute Maximum Ratings*
3372F–FLASH–4/05
Command Sequence
Read
Sector Erase/Confirm
Word Program
Erase/Program Suspend
Erase/Program Resume
Product ID Entry
Sector Softlock
Sector Hardlock
Sector Unlock
Read Status Register
Clear Status Register
Program Protection Register
Lock Protection Register – Sector B
Status of Sector B Protection
CFI Query
Temperature under Bias ................................ -55°C to +125°C
Storage Temperature ..................................... -65°C to +150°C
All Input Voltages
(including NC Pins)
with Respect to Ground ...................................-0.6V to +6.25V
All Output Voltages
with Respect to Ground .............................-0.6V to V
Voltage on V
with Respect to Ground ...................................-0.6V to +13.0V
1. The DATA FORMAT shown for each bus cycle is as follows; I/O7 - I/O0 (Hex). I/O15 - I/O8 are don’t care. The ADDRESS
2. SA = sector address. Any word address within a sector can be used to designate the sector address (see pages
3. The status register bits are output on I/O7 - I/O0.
4. If data bit D1 is “0”, sector B is locked. If data bit D1 is “1”, sector B can be reprogrammed.
FORMAT shown for each bus cycle is as follows: A7 - A0 (Hex). Address A20 through A8 are don’t care.
for details).
PP
Cycles
Bus
1
2
2
1
1
1
2
2
2
2
1
2
2
2
1
CC
+ 0.6V
Addr
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
*NOTICE:
1st Bus
Cycle
Stresses beyond those listed under “Absolute
Maximum Ratings” may cause permanent dam-
age to the device. This is a stress rating only and
functional operation of the device at these or any
other conditions beyond those indicated in the
operational sections of this specification is not
implied. Exposure to absolute maximum rating
conditions for extended periods may affect device
reliability.
40/10
Data
FF
B0
D0
C0
C0
20
90
60
60
60
70
50
90
98
AT49BV320C(T)
Addr
SA
SA
SA
SA
Addr
Addr
XX
80
80
(2)
(2)
(2)
(2)
2nd Bus
Cycle
D
D
FFFD
17
Data
OUT
OUT
D
D
D0
D0
01
2F
IN
IN
and
(3)
(4)
20
15