LH28F320BFHE-PBTLZ2 Sharp Electronics, LH28F320BFHE-PBTLZ2 Datasheet - Page 15
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LH28F320BFHE-PBTLZ2
Manufacturer Part Number
LH28F320BFHE-PBTLZ2
Description
Manufacturer
Sharp Electronics
Datasheet
1.LH28F320BFHE-PBTLZ2.pdf
(38 pages)
Specifications of LH28F320BFHE-PBTLZ2
Cell Type
NOR
Density
32Mb
Access Time (max)
80ns
Interface Type
Parallel
Boot Type
Bottom
Address Bus
21b
Operating Supply Voltage (typ)
3.3V
Operating Temp Range
-40C to 85C
Package Type
TSOP
Sync/async
Asynchronous
Operating Temperature Classification
Industrial
Operating Supply Voltage (min)
2.7V
Operating Supply Voltage (max)
3.6V
Word Size
16b
Number Of Words
2M
Supply Current
25mA
Mounting
Surface Mount
Pin Count
48
Lead Free Status / Rohs Status
Not Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LH28F320BFHE-PBTLZ2
Manufacturer:
SAMSUNG
Quantity:
1 600
NOTES:
1. DQ
2. Erase and program are general terms, respectively, to express: block erase, full chip erase and
3. At power-up or device reset, all blocks default to locked state and are not locked-down, that is,
4. When WP# is driven to V
5. OTP (One Time Program) block has the lock function which is different from those described
NOTES:
1. "Set Lock" means Set Block Lock Bit command, "Clear Lock" means Clear Block Lock Bit
2. When the Set Block Lock-Down Bit command is written to the unlocked block (DQ
3. "No Change" means that the state remains unchanged after the command written.
4. In this state transitions table, assumes that WP# is not changed and fixed V
[000]
[001]
[011]
[100]
[101]
[110]
State
[111]
(page buffer) program operations.
[001] (WP#=0) or [101] (WP#=1), regardless of the states before power-off or reset operation.
automatically locked.
above.
command and "Set Lock-down" means Set Block Lock-Down Bit command.
corresponding block is locked-down and automatically locked at the same time.
DQ
[000]
[001]
[011]
[100]
[101]
[110]
[111]
State
0
1
=1: a block is locked; DQ
=1: a block is locked-down; DQ
(4)
(3)
(3)
Current State
WP#
0
0
0
1
1
1
1
Table 8. Block Locking State Transitions upon Command Write
WP#
0
0
0
1
1
1
1
DQ
0
0
1
0
0
1
1
Table 7. Functions of Block Lock
1
DQ
DQ
0
0
0
1
0
1
1
0
1
1
0
1
0
1
1
(1)
0
Current State
IL
0
=0: a block is unlocked.
in [110] state, the state changes to [011] and the blocks are
DQ
No Change
0
1
1
0
1
0
1
Set Lock
No Change
No Change
No Change
0
(1)
1
=0: a block is not locked-down.
Result after Lock Command Written (Next State)
[001]
[101]
[111]
LHF32FD2
Unlocked
Locked
Locked-down
Unlocked
Locked
Lock-down Disable
Lock-down Disable
(1)
(3)
State Name
(5)
and Block Lock-Down
Clear Lock
No Change
No Change
No Change
No Change
[000]
[100]
[110]
(1)
Erase/Program Allowed
IL
Set Lock-down
or V
(4)
No Change
No Change
[011]
[111]
[111]
IH
[011]
[111]
Yes
Yes
Yes
.
No
No
No
No
(2)
(2)
(2)
0
=0), the
(1)
Rev. 2.44
(2)
12