LH28F160S5T-L70A Sharp Microelectronics, LH28F160S5T-L70A Datasheet - Page 27

• Manufacturer Part Number: LH28F160S5T-L70A
• Description: IC FLASH 16MBIT 70NS 56TSOP
• Manufacturer: Sharp Microelectronics

Specifications of LH28F160S5T-L70A

• Rohs Status: RoHS non-compliant
• Format - Memory: FLASH
• Memory Type: FLASH
• Memory Size: 16M (2M x 8 or 1M x 16)
• Speed: 70ns
• Interface: Parallel
• Voltage - Supply: 4.75 V ~ 5.25 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 56-TSOP
• Other names: 425-1840; LHF16KA9

sharp
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
SR.7=
Start
X=1
No
1
No
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
LHF16KA9
1. Byte or word count values on DQ
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
2. Write Buffer contents will be programmed at the start address.
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=Word or Byte Count (N)-1
Data=Buffer Data
Data=E8H
Addr=Start Address
1=Multi Word/Byte Write Ready
0=Multi Word/Byte Write Busy
Addr=Start Address
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
Extended Status Register Data
Check XSR.7
Comments
Rev. 2.0
24