LH28F800SGN-L10 Sharp Electronics, LH28F800SGN-L10 Datasheet - Page 17
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LH28F800SGN-L10
Manufacturer Part Number
LH28F800SGN-L10
Description
Manufacturer
Sharp Electronics
Datasheet
1.LH28F800SGN-L10.pdf
(42 pages)
Specifications of LH28F800SGN-L10
Cell Type
NOR
Density
8Mb
Interface Type
Parallel
Boot Type
Not Required
Address Bus
19b
Operating Supply Voltage (typ)
3.3/5V
Operating Temp Range
0C to 70C
Package Type
SOP
Program/erase Volt (typ)
2.7/3.3/5/12V
Sync/async
Asynchronous
Operating Temperature Classification
Commercial
Operating Supply Voltage (min)
2.7/4.5V
Operating Supply Voltage (max)
3.6/5.5V
Word Size
16b
Number Of Words
512K
Supply Current
65mA
Mounting
Surface Mount
Pin Count
44
Lead Free Status / Rohs Status
Not Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LH28F800SGN-L10
Manufacturer:
SHARP
Quantity:
9 020
FULL STATUS CHECK PROCEDURE
Read Status Register
Data (See Above)
Check if Desired
Status Register
Block Address
Block Address
Block Erase
Block Erase
Write D0H,
Write 20H,
Full Status
Successful
Complete
SR.4, 5 =
SR.7 =
SR.3 =
SR.1 =
SR.5 =
Read
Start
0
0
0
0
1
0
1
1
1
1
Block Erase
Command Sequence
No
Device Protect Error
Suspend
V
PP
Fig. 3 Automated Block Erase Flowchart
Block Erase
Range Error
Error
Error
Suspend Block
Erase Loop
Yes
- 17 -
OPERATION
OPERATION COMMAND
Write
Write
Read
Standby
Standby
Standby
Standby
Standby
Repeat for subsequent block erasures.
Full status check can be done after each block erase or after
a sequence of block erasures.
Write FFH after the last block erase operation to place device
in read array mode.
SR.5, SR.4, SR.3 and SR.1 are only cleared by the Clear
Status Register command in cases where multiple blocks
are erased before full status is checked.
If error is detected, clear the status register before attempting
retry or other error recovery.
BUS
BUS
Erase Setup
COMMAND
Confirm
Erase
Check SR.3
1 = V
Check SR.4, 5
Both 1 = Command Sequence Error
Data = 20H
Addr = Within Block to be Erased
Data = D0H
Addr = Within Block to be Erased
Status Register Data
Check SR.7
1 = WSM Ready
0 = WSM Busy
Check SR.1
1 = Device Protect Detect
RP# = V
Only required for systems
implementing lock-bit configuration
Check SR.5
1 = Block Erase Error
PP
LH28F800SG-L (FOR SOP)
Error Detect
IH
, Block Lock-Bit is Set
COMMENTS
COMMENTS