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| HD6433044 Datasheet, PDF (632/867 Pages) Hitachi Semiconductor – Hitachi Single-Chip Microcomputer | |||
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VCC 5.0 V
12 V
VPP
5.0 V
tVPS
Address
CE
Erase setup
Erase
Erase-verify
tVPH
Valid address
tAS
tAH
OE
WE
I/O0 to I/O7
tOEWS
tCES
tWEP
tCWC
tCEH
tCES tWEP
tCES
tET
tCEH tWEH
tDS
tDH
tDS
tDH
Command
in
Command
in
tWEP
tCEH
tOERS
tDS
tDH
Command
in
tVA
tDF
Valid data
out
Note: Erase-verify data output values may be intermediate between 1 and 0 if erasing is insufficient.
Figure 18-27 Erase Timing
623
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