LH28F008SCT-L85 Sharp Microelectronics, LH28F008SCT-L85 Datasheet - Page 21

• Manufacturer Part Number: LH28F008SCT-L85
• Description: IC FLASH 8MBIT 85NS 40TSOP
• Manufacturer: Sharp Microelectronics

Specifications of LH28F008SCT-L85

• Format - Memory: FLASH
• Memory Type: FLASH
• Memory Size: 8M (1M x 8)
• Speed: 85ns
• Interface: Parallel
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 40-TSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 425-1835; F008SCTL85; LHF08CH1

sharp
FULL STATUS CHECK PROCEDURE
Byte Write Successful
Read Status Register
Data and Address
Data(See Above)
Check if Desired
Status Register
Write 40H,
Full Status
Write Byte
Byte Write
Complete
Address
SR.7=
SR.3=
SR.1=
SR.4=
Read
Start
1
0
0
0
0
1
1
1
Device Protect Error
Byte Write
V
No
Byte Write Error
Suspend
PP
Range Error
Figure 6. Automated Byte Write Flowchart
Yes
Suspend Byte
Write Loop
LHF08CH1
Repeat for subsequent byte writes.
SR full status check can be done after each byte write, or after a sequence of
SR.4,SR.3 and SR.1 are only cleared by the Clear Status Register
If error is detected, clear the Status Register before attempting
Write FFH after the last byte write operation to place device in
byte writes.
read array mode.
command in cases where multiple locations are written before
full status is checked.
retry or other error recovery.
Operation
Operation
Standby
Standby
Standby
Standby
Read
Write
Write
Bus
Bus
Setup Byte Write
Command
Command
Byte Write
Data=40H
Data=Data to Be Written
Addr=Location 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
Check SR.4
Only required for systems
implementing lock-bit configuration
1=Data Write Error
PP
Error Detect
IH
,Block Lock-Bit is Set
Comments
Comments
Rev. 1.3
18