LH28F160S5T-L70A Sharp Microelectronics, LH28F160S5T-L70A Datasheet - Page 26

• 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
FULL STATUS CHECK PROCEDURE
Read Status Register
Write 40H or 10H,
Data and Address
Data(See Above)
Check if Desired
Word/byte Write
Word/Byte Write
Write Word/Byte
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
LHF16KA9
Repeat for subsequent word/byte writes.
SR full status check can be done after each word/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 word/byte write operation to place device in
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
0=WSM Busy
Check SR.3
1=V
Check SR.1
1=Device Protect Detect
WP#=V
Check SR.4
Status Register Data
Check SR.7
1=WSM Ready
0=WSM Busy
Status Register Data
Check SR.7
Only required for systems
implementing lock-bit configuration
1=Data Write Error
PP
Error Detect
IL
,Block Lock-Bit is Set
Comments
Comments
Rev. 2.0
23