LH28F160BJHE-TTLZE Sharp Electronics, LH28F160BJHE-TTLZE Datasheet - Page 22

• Manufacturer Part Number: LH28F160BJHE-TTLZE
• Manufacturer: Sharp Electronics

Specifications of LH28F160BJHE-TTLZE

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

FULL STATUS CHECK PROCEDURE
Word Write Successful
Read Status Register
Write 40H or 10H
Write Word Data
Check if Desired
Data(See Above)
Status Register
and Address
Word Write
Read Status
Full Status
Write 70H
Complete
Register
SR.3=
SR.1=
SR.4=
SR.7=
SR.7=
Read
Start
1
1
0
0
0
0
0
1
1
1
Device Protect Error
Word Write
V
Word Write Error
Suspend
CCW
No
Range Error
Yes
Figure 7. Automated Word Write Flowchart
Suspend Word
Write Loop
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
If error is detected, clear the Status Register before attempting retry or other error recovery.
Operation
Operation
where multiple locations are written before full status is checked.
Standby
Standby
Standby
Standby
Standby
Write
Write
Write
Read
Read
Bus
Bus
Setup Word Write
Word Write
Read Status
Command
Command
Register
Data=70H
Addr=X
Status Register Data
Check SR.7
1=WSM Ready
0=WSM Busy
Data=40H or 10H
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
CCW
Error Detect
Comments
Comments
Rev. 1.27