LH28F800SGN-L70 Sharp Electronics, LH28F800SGN-L70 Datasheet - Page 18

• Manufacturer Part Number: LH28F800SGN-L70
• Manufacturer: Sharp Electronics

Specifications of LH28F800SGN-L70

• 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

FULL STATUS CHECK PROCEDURE
Read Status Register
Data and Address
Data (See Above)
Check if Desired
Status Register
Write Word
Word Write
Word Write
Write 40H,
Full Status
Successful
Complete
Address
SR.4 =
SR.7 =
SR.3 =
SR.1 =
Read
Start
0
1
0
0
0
1
1
1
Word Write
No
Device Protect Error
Suspend
Word Write Error
V
PP
Fig. 4 Automated Word Write Flowchart
Range Error
Suspend Word
Write Loop
Yes
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OPERATION
OPERATION COMMAND
Standby
Standby
Write
Write
Read
Standby
Standby
Repeat for subsequent word writes.
SR full status check can be done after each word write or after
a sequence of word writes.
Write FFH after the last word write operation to place device
in read array mode.
SR.4, SR.3 and SR.1 are only cleared by the Clear Status
Register command in cases where multiple locations are
written before full status is checked.
If error is detected, clear the status register before attempting
retry or other error recovery.
BUS
BUS
COMMAND
Word Write
Word Write
Setup
Data = 40H
Addr = Location to be Written
Data = Data to be Written
Addr = Location to be Written
Status Register Data
Check SR.7
1 = WSM Ready
0 = WSM Busy
Check SR.3
1 = V
Check SR.1
1 = Device Protect Detect
RP# = V
Only required for systems
implementing lock-bit configuration
Check SR.4
1 = Data Write Error
PP
Error Detect
LH28F800SG-L (FOR SOP)
IH
, Block Lock-Bit is Set
COMMENTS
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