LH28F400BVE-TL85 Sharp Electronics, LH28F400BVE-TL85 Datasheet - Page 20

• Manufacturer Part Number: LH28F400BVE-TL85
• Manufacturer: Sharp Electronics

Specifications of LH28F400BVE-TL85

• Cell Type: NOR
• Density: 4Mb
• Interface Type: Parallel
• Boot Type: Top
• Address Bus: 19/18Bit
• Operating Supply Voltage (typ): 3.3/5V
• Operating Temp Range: 0C to 70C
• Package Type: TSOP
• Program/erase Volt (typ): 2.7/3.3/5/12V
• Sync/async: Asynchronous
• Operating Temperature Classification: Commercial
• Operating Supply Voltage (min): 2.7/4.5V
• Operating Supply Voltage (max): 3.6/5.5V
• Word Size: 8/16Bit
• Number Of Words: 512K/256K
• Supply Current: 65mA
• Mounting: Surface Mount
• Pin Count: 48
• Lead Free Status / Rohs Status: Not Compliant

Read Array Data
Read
Block Erase Resumed
Status Register
Word/Byte
Write B0H
Write D0H
Read or
SR.7=
Write?
SR.6=
Done?
Start
Read
Yes
No
1
1
Word/Byte Write Loop
0
0
Word/Byte Write
Figure 7. Block Erase Suspend/Resume Flowchart
Block Erase Completed
Read Array Data
Write FFH
Operation
Standby
Standby
Write
Read
Write
Bus
Command
Suspend
Resume
Erase
Erase
Data=B0H
Addr=X
Addr=X
1=WSM Ready
1=Block Erase Suspended
0=Block Erase Completed
Data=D0H
Status Register Data
Check SR.7
0=WSM Busy
Check SR.6
Addr=X
Comments
Rev. 1.02