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CAT28F001 Datasheet(PDF) 13 Page - Catalyst Semiconductor

Part # CAT28F001
Description  1 Megabit CMOS Boot Block Flash Memory
PDF  18 Pages
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Manufacturer  CATALYST [Catalyst Semiconductor]
Direct Link  http://www.catalyst-semiconductor.com
Logo CATALYST - Catalyst Semiconductor

CAT28F001 Datasheet(HTML) 13 Page - Catalyst Semiconductor

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CAT28F001
13
Doc. No. 25071-00 2/98 F-1
Bus
Operation Command
Comments
Write
Erase
Data = B0H
Suspend
Standby/
Read Status Register
Ready
Check SR.7
1 = Ready, 0 = Busy
Toggle OE or CE to Update
Status Register
Standby
Check SR.6
1 = Suspended
Write
Read Array
Data = FFH
Read
Read array data from block other
than that being erased.
Write
Erase Resume
Data = D0H
START
WRITE B0H
READ STATUS
REGISTER
SR.7 = 1?
SR.6 = 1?
CONTINUE
ERASE
NO
DONE
READING?
WRITE FFH
WRITE D0H
NO
ERASE HAS
COMPLETED
YES
YES
NO
YES
Figure 6 Block Erase Suspend/Resume Flowchart



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