LH28F800BJHE-PBTL90 Sharp Electronics, LH28F800BJHE-PBTL90 Datasheet - Page 29
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LH28F800BJHE-PBTL90
Manufacturer Part Number
LH28F800BJHE-PBTL90
Description
Manufacturer
Sharp Electronics
Datasheet
1.LH28F800BJHE-PBTL90.pdf
(58 pages)
Specifications of LH28F800BJHE-PBTL90
Cell Type
NOR
Density
8Mb
Access Time (max)
90ns
Interface Type
Parallel
Boot Type
Bottom
Address Bus
20/19Bit
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
1M/512K
Supply Current
30mA
Mounting
Surface Mount
Pin Count
48
Lead Free Status / Rohs Status
Not Compliant
sharp
FULL STATUS CHECK PROCEDURE
OTP Program Successful
Write Data and Address
Read Status Register
Check if Desired
Data(See Above)
Status Register
OTP Program
Read Status
Write C0H
Full Status
Write 70H
Complete
Register
SR.3=
SR.1=
SR.4=
SR.7=
SR.7=
Start
Read
1
1
0
0
0
0
0
1
1
1
Device Protect Error
OTP Program Error
V
CCW
Range Error
Figure 13. Automated OTP Program Flowchart
LHF80J05
Repeat for subsequent OTP programs.
SR full status check can be done after each OTP program, or after a sequence of
Write FFH after the last OTP program 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
If error is detected, clear the Status Register before attempting retry or other error recovery.
Operation
OTP programs.
Operation
where multiple locations are written before full status is checked.
Standby
Standby
Standby
Standby
Standby
Write
Write
Write
Read
Read
Bus
Bus
Setup OTP Program
OTP Program
Read Status
Command
Command
Register
Status Register Data
Check SR.7
1=WSM Ready
0=WSM Busy
Data=C0H
Addr=X
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
Check SR.4
1=Data Write Error
Data=70H
Addr=X
CCW
Error Detect
Comments
Comments
Rev. 1.27
26