LH28F320S5HNS-ZP Sharp Electronics, LH28F320S5HNS-ZP Datasheet - Page 27

• Manufacturer Part Number: LH28F320S5HNS-ZP
• Manufacturer: Sharp Electronics

Specifications of LH28F320S5HNS-ZP

• Cell Type: NOR
• Density: 32Mb
• Access Time (max): 100ns
• Interface Type: Parallel
• Boot Type: Not Required
• Address Bus: 22/21Bit
• Operating Supply Voltage (typ): 5V
• Operating Temp Range: -40C to 85C
• Package Type: SSOP
• Program/erase Volt (typ): 4.5 to 5.5V
• Sync/async: Asynchronous
• Operating Temperature Classification: Industrial
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Word Size: 8/16Bit
• Number Of Words: 4M/2M
• Supply Current: 75mA
• Mounting: Surface Mount
• Pin Count: 56
• Lead Free Status / Rohs Status: Compliant

FULL STATUS CHECK PROCEDURE
Read Status Register
Data and Address
Write 40H or 10H,
Data(See Above)
Word/byte Write
Write Word/Byte
Check if Desired
Word/Byte Write
Status Register
Read Status
Successful
Write 70H
Full Status
Complete
Register
Address
SR.7=
SR.7=
SR.3=
SR.1=
SR.4=
Start
Read
1
1
0
0
0
0
0
1
1
1
Device Protect Error
Word/byte Write Error
Word/Byte
V
No
Suspend
PP
Write
Range Error
Figure 7. Automated Word/byte Write Flowchart
Suspend Word/Byte
Yes
Write Loop
LHF32KZP
Repeat for subsequent word/byte writes.
SR full status check can be done after each word/byte write, or after a sequence of
If error is detected, clear the Status Register before attempting
Write FFH after the last word/byte write operation to place device in
SR.4,SR.3 and SR.1 are only cleared by the Clear Status Register
word/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
Standby
Write
Read
Read
Write
Write
Bus
Bus
Setup Word/Byte
Word/Byte Write
Read Status
Command
Command
Register
Write
Data=70H
Addr=X
Data=40H or 10H
Addr=Location to Be Written
Data=Data to Be Written
Addr=Location to Be Written
1=WSM Ready
Check SR.3
Check SR.1
WP#=V
Status Register Data
Check SR.7
1=WSM Ready
0=WSM Busy
Status Register Data
Check SR.7
0=WSM Busy
1=V
1=Device Protect Detect
Only required for systems
implementing lock-bit configuration
Check SR.4
1=Data Write Error
PP
Error Detect
IL
,Block Lock-Bit is Set
Comments
Comments
Rev. 1.6
24