LH28F016SCHR-L95 Sharp Electronics, LH28F016SCHR-L95 Datasheet - Page 19

• Manufacturer Part Number: LH28F016SCHR-L95
• Manufacturer: Sharp Electronics

Specifications of LH28F016SCHR-L95

• Cell Type: NOR
• Density: 16Mb
• Interface Type: Parallel
• Boot Type: Not Required
• Address Bus: 21b
• Operating Supply Voltage (typ): 3.3/5V
• Operating Temp Range: -40C to 85C
• Package Type: TSOP
• Program/erase Volt (typ): 3.3/5/12V
• Sync/async: Asynchronous
• Operating Temperature Classification: Industrial
• Operating Supply Voltage (min): 2.7/4.5V
• Operating Supply Voltage (max): 3.6/5.5V
• Word Size: 8b
• Number Of Words: 2M
• Supply Current: 50mA
• Mounting: Surface Mount
• Pin Count: 40
• Lead Free Status / Rohs Status: Not Compliant

16M Flash Memory
Data Sheet
FULL STATUS CHECK PROCEDURE
CLEAR BLOCK LOCK-BITS
CLEAR BLOCK LOCK-BITS
READ STATUS REGISTER
STATUS REGISTER
CHECK IF DESIRED
DATA (see above)
FULL STATUS
SUCCESSFUL
WRITE D0H
COMPLETE
WRITE 60H
SR.4, 5 =
START
SR.7 =
READ
SR.3 =
SR.1 =
SR.5 =
1
0
0
0
0
0
1
1
1
1
LOCK-BITS ERROR
DEVICE PROTECT
COMMAND SEQUENCE
V
CLEAR BLOCK
PP
ERROR
ERROR
RANGE
Figure 10. Clear Block Lock-bits Flowchart
ERROR
OPERATION
OPERATION
Write FFH after the Clear Block Lock-Bits operation to
place the device into read array mode.
SR.5, SR.4, SR.3, and SR.1 are only cleared by the Clear
Status Register command.
If an error is detected, clear the Status Register before
attempting a retry or other error recovery operation.
Standby
Standby
Standby
Standby
Standby
Read
Write
Write
BUS
BUS
Lock-Bits Confirm
Lock-Bits Setup
Clear Block
Clear Block
COMMAND
COMMAND
Check SR.3
1 = V
Check SR.1
1 = Device Protect Detect
RP = V
Check SR.4, 5
Both 1 = Command
Check SR.5
1 = Clear Block Lock-Bits Error
Data = 60H
Addr = X
Data = D0H
Addr = X
Status Register Data
Check CSR.7
1 = WSM Ready
0 = WSM Busy
Sequence Error
PP
IH
Error Detect
COMMENTS
COMMENTS
Master Lock-Bit is Set
LH28F016SCT
28F016SCT-L95-10
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