LH28F320S5HNS-ZP Sharp Electronics, LH28F320S5HNS-ZP Datasheet - Page 28

• 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

Yes
Write Word or Byte Count (N)-1,
Multi Word/Byte Write
Write Buffer Data,
Write Buffer Data,
Device Address
Write Commnad?
Check if Desired
Status Register
Start Address
Start Address
Start Address
Read Extend
Abort Buffer
Read Status
Write E8H,
Write D0H
Full Status
Complete
X=X+1
Register
Another
XSR.7=
X = N
Write ?
Buffer
Start
SR.7=
X=0
No
No
1
1
No
0
Yes
Yes
0
Multi Word/Byte
Multi Word/Byte Write
Figure 8. Automated Multi Word/Byte Write Flowchart
Suspend
Write
Block Address
Write Another
Write Buffer
No
Time Out
Abort
No
Suspend Multi Word/Byte
Yes
Write Loop
Yes
LHF32KZP
1. Byte or word count values on DQ
2. Write Buffer contents will be programmed at the start address.
3. Align the start address on a Write Buffer boundary for maximum
4.The device aborts the Multi Word/Byte Write command if the current address is
5.The Status Register indicates an "improper command sequence" if the Multi
Operation
SR full status check can be done after each multi word/byte write,
Write FFH after the last multi word/byte write operation to place device in
Standby
(Note2,3)
(Note1)
(Note4,5)
Standby
outside of the original block address.
Word/Byte command is aborted. Follow this with a Clear Status Register command.
or after a sequence of multi word/byte writes.
read array mode.
programming performance.
Read
Write
Write
Write
Read
Write
Write
Bus
Multi Word/Byte Write
Command
Setup
0-7
are loaded into the count register.
Data=E8H
Addr=Start Address
Data=Word or Byte Count (N)-1
Addr=Start Address
Data=Buffer Data
Addr=Start Address
Data=Buffer Data
Addr=Device Address
Data=D0H
Addr=X
Status Register Data
Check SR.7
1=WSM Ready
0=WSM Busy
Check XSR.7
1=Multi Word/Byte Write Ready
0=Multi Word/Byte Write Busy
Extended Status Register Data
Comments
Rev. 1.6
25