LH28F160BVHE-BTL90 Sharp Electronics, LH28F160BVHE-BTL90 Datasheet - Page 43

• Manufacturer Part Number: LH28F160BVHE-BTL90
• Manufacturer: Sharp Electronics

Specifications of LH28F160BVHE-BTL90

• Cell Type: NOR
• Density: 16Mb
• Access Time (max): 90ns
• Interface Type: Parallel
• Boot Type: Bottom
• Address Bus: 21/20Bit
• 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: 8/16Bit
• Number Of Words: 2M/1M
• Supply Current: 30mA
• Mounting: Surface Mount
• Pin Count: 48
• Lead Free Status / Rohs Status: Not Compliant

SI-IARP
4) Noise rejection
Consider
When the RP# is kept l’ow during
blocks.
ForthedetaiIsofRPt:contro
For the lockout
When a high voltage
For further
When the level
write protected.
3) Data protection
transition,
By setting
Parameter
System program,
2) Data protection
flashmemory
Noises having
generated
Such noises,
commands, causing undesired
To protect
operating
appropriate:
Flash
1) Protecting
(See chapter
memory
noise rejection
with the flash memory should have the following
and main blocks
under specific
the data stored
a WP# to low, only the boot block
write
isdisabled.
information
when induced onto WE# signal
4.10)
LHF16BXX/16VXX family
data in specific
a level
of Vpp is lower than VPPLK (lockout
voltage,
etc.,
(See chapter
operation
of WE#
through
through RP#
is applied
can be locked by storing
exceeding
on controlling
All blocks are lockedandthedata
of WE$ in order
refer
operating
cannot be locked.
in the flash memory against
1, refer to the specification.
Vpp
on the flash
memory updating.
to RP#, overwrite
4.10. >
to the specification.
block
power up and power down sequence such as voltage
the limit
Data Protection
conditions
LHF16Vll
of WP# and RP#, refer
or power supply,
to prevent
memory is disabled,
specified
can be protected
on some systems.
operation
them in the boot block.
voltage),
false
(See chapter
unwanted overwriting,
in the specification
(See chapter 5.6 and 6.2.7. >
intheblocksarecompletely
may be interpreted
is enabled for al 1 blocks.
write
write
write
to the specification.
write
against
protect
command input.
6.23.
operation
protecting
overwriting.
designs,
>
as false
systems
may be
on the
all
as
Rev 1.1
41