HD6433044 Hitachi Semiconductor, HD6433044 Datasheet - Page 632

• Manufacturer Part Number: HD6433044
• Description: (HD64 Series) Hitachi Single-Chip Microcomputer
• Manufacturer: Hitachi Semiconductor

V
V
CC
PP
Note: Erase-verify data output values may be intermediate between 1 and 0 if erasing is insufficient.
Address
CE
OE
WE
I/O
0
5.0 V
12 V
5.0 V
to I/O
7
t
t
CES
VPS
t
OEWS
t
t
WEP
DS
Command
in
t
CEH
t
Erase setup
DH
t
CWC
t
WEH
Figure 18-27 Erase Timing
t
CES
t
WEP
Command
t
t
DS
CEH
in
623
t
DH
Erase
t
ET
t
CES
t
Valid address
AS
Command
t
t
WEP
DS
in
t
AH
t
DH
t
CEH
t
OERS
Erase-verify
t
VA
Valid data
out
t
VPH
t
DF