TB28F400B5B80 Intel, TB28F400B5B80 Datasheet - Page 23

• Manufacturer Part Number: TB28F400B5B80
• Manufacturer: Intel

Specifications of TB28F400B5B80

• Density: 4Mb
• Access Time (max): 80ns
• Interface Type: Parallel
• Boot Type: Bottom
• Address Bus: 19/18Bit
• Operating Supply Voltage (typ): 5V
• Operating Temp Range: -40C to 85C
• Package Type: SOP
• 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: 512K/256K
• Supply Current: 70mA
• Mounting: Surface Mount
• Pin Count: 44
• Lead Free Status / Rohs Status: Not Compliant

Read Array Data
Erase Resumed
PRELIMINARY
Done Reading
Read Status
Write D0H
Write B0H
Write 70H
Write FFH
Register
SR.7 =
SR.6 =
Start
Yes
1
1
0
No
0
Figure 10. Erase Suspend/Resume Flowchart
Read Array Data
Erase Resumed
Write FFH
Operation
Standby
Standby
Write
Write
Read
Write
Read
Write
Bus
28F200B5, 28F004/400B5, 28F800B5
Erase Suspend
Erase Resume
Read Status
Read Array
Command
Data = B0H
Addr = X
Data = 70H
Addr = X
Status Register Data
Toggle OE# or CE# to Update
Status Register
Addr = X
Check SR.7
1 = WSM Ready
0 = WSM Busy
Check SR.6
1 = Erase Suspended
0 = Erase Completed
Data = FFH
Addr = X
Read array data from block
other than the one being
programmed
Data = D0H
Addr = X
Comments
0599-09
23