TB28F400BVT80 Intel, TB28F400BVT80 Datasheet - Page 25

• Manufacturer Part Number: TB28F400BVT80
• Manufacturer: Intel

Specifications of TB28F400BVT80

• Density: 4Mb
• Access Time (max): 80ns
• Interface Type: Parallel
• Boot Type: Top
• Address Bus: 19/18Bit
• Operating Supply Voltage (typ): 3.3/5V
• Operating Temp Range: -40C to 85C
• Package Type: SOP
• Sync/async: Asynchronous
• Operating Temperature Classification: Industrial
• Operating Supply Voltage (min): 3/4.5V
• Operating Supply Voltage (max): 3.6/5.5V
• 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 Status Register
SEE NEW DESIGN RECOMMENDATIONS
Read Array Data
Erase Resumed
Write B0H
Write FFH
Write D0H
Write 70H
Reading
SR.7 =
SR.6 =
Done
Start
1
1
Yes
No
0
0
Figure 11. Erase Suspend/Resume Flowchart
Erase Completed
Read Array Data
Write FFH
4-MBIT SmartVoltage BOOT BLOCK FAMILY
Operation
Standby
Standby
Standby
Standby
Write
Write
Write
Read
Read
Write
Write
Read
Read
Write
Write
Bus
Erase Suspend
Erase Resume
Read Status
Command
Command
Read Array
Read Array
Read Array
Suspend
Suspend
Program
Program
Program
Program
Resume
Resume
Data = B0H
Addr = X
Data=70H
Addr=X
Status Register Data Toggle
Status Register Data Toggle
CE# or OE# to Update Status
CE# or OE# to Update Status
Register Data
Register Data
Addr = X
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
0530_11
25