E28F400B5B60 Intel, E28F400B5B60 Datasheet - Page 22
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E28F400B5B60
Manufacturer Part Number
E28F400B5B60
Description
Manufacturer
Intel
Datasheet
1.E28F400B5B60.pdf
(44 pages)
Specifications of E28F400B5B60
Density
4Mb
Access Time (max)
60ns
Interface Type
Parallel
Boot Type
Bottom
Address Bus
19/18Bit
Operating Supply Voltage (typ)
5V
Operating Temp Range
0C to 70C
Package Type
TSOP
Sync/async
Asynchronous
Operating Temperature Classification
Commercial
Operating Supply Voltage (min)
4.5V
Operating Supply Voltage (max)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
E28F400B5B60
Manufacturer:
INT
Quantity:
3 340
Company:
Part Number:
E28F400B5B60
Manufacturer:
INT
Quantity:
3 340
Company:
Part Number:
E28F400B5B60
Manufacturer:
INTEL
Quantity:
16
Part Number:
E28F400B5B60
Manufacturer:
INTEL
Quantity:
20 000
28F200B5, 28F004/400B5, 28F800B5
22
FULL STATUS CHECK PROCEDURE
Read Status Register
Check if Desired
Data (See Above)
Block Address
Write D0H and
Block Address
Read Status
Block Erase
Write 20H,
Full Status
Complete
Block Erase
SR.4,5 =
Successful
Register
SR.3 =
SR.7 =
SR.5 =
Start
0
0
0
1
0
1
1
1
NO
Suspend
Command Sequence
V
Erase
PP
Figure 9. Automated Block Erase Flowchart
Block Erase
Range Error
Error
Suspend Erase
Error
YES
Loop
Operation
Repeat for subsequent block erasures.
Full Status Check can be done after each block erase, or after a
Write FFH after the last operation to reset device to read array mode.
SR.3 MUST be cleared, if set during an erase attempt, before further
SR.5 is only cleared by the Clear Status Register Command, in
If error is detected, clear the Status Register before attempting
Standby
sequence of block erasures.
attempts are allowed by the Write State Machine.
cases where multiple blocks are erase before full status is checked.
retry or other error recovery.
Read
Operation
Write
Write
Standby
Standby
Standby
Bus
Bus
Erase Setup
Confirm
Command
Erase
Command
Data = 20H
Addr = Within Block to be Erased
Data = D0H
Addr = Within Block to be Erased
Status Register Data
Toggle CE# or OE#
Check SR.7
1 = WSM Ready
0 = WSM Busy
to Update Status Register
Check SR.3
1 = V
Check SR.4,5
Both 1 = Command
Check SR.5
1 = Block Erase Error
PRELIMINARY
PP
Comments
Comments
Sequence Error
Low Detect
0599-08