TE28F400B3B90 Intel, TE28F400B3B90 Datasheet - Page 61

• Manufacturer Part Number: TE28F400B3B90
• Manufacturer: Intel

Specifications of TE28F400B3B90

• Cell Type: NOR
• Density: 4Mb
• Access Time (max): 90ns
• Interface Type: Parallel
• Boot Type: Bottom
• Address Bus: 18b
• Operating Supply Voltage (typ): 3.3V
• Operating Temp Range: -40C to 85C
• Package Type: TSOP
• Sync/async: Asynchronous
• Operating Temperature Classification: Industrial
• Operating Supply Voltage (min): 2.7V
• Operating Supply Voltage (max): 3.6V
• Word Size: 16b
• Number Of Words: 256K
• Supply Current: 18mA
• Mounting: Surface Mount
• Pin Count: 48
• Lead Free Status / Rohs Status: Not Compliant

Preliminary
Figure 14. Erase Suspend/Resume Flowchart
Read Status Register
Read Array Data
Erase Resumed
Write FFH
Write D0H
Write B0H
Write 70H
Reading
SR.7 =
SR.6 =
Done
Start
1
1
Yes
28F004/400B3, 28F008/800B3, 28F016/160B3, 28F320B3, 28F640B3
No
0
0
Erase Completed
Read Array Data
Write FFH
Bus Operation
Standby
Standby
Write
Write
Read
Write
Read
Write
Erase Suspend
Erase Resume
Read Status
Read Array
Command
Data = B0H
Addr = X
Data = 70H
Addr = X
Status Register Data Toggle
CE# or OE# to Update Status
Register Data
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
erased.
Data = D0H
Addr = X
Comments
0580_E4
55