HD6433640 HITACHI [Hitachi Semiconductor], HD6433640 Datasheet - Page 171

• Manufacturer Part Number: HD6433640
• Description: H8/3644 Series Hardware Manual
• Manufacturer: HITACHI [Hitachi Semiconductor]

Note: Erase -verify data output values maybe intermediate between 1 and 0 if erasing is insufficient.
162
V
V
Address
CE
OE
WE
I/O0 to I/O7
CC
PP
5.0 V
12 V
5.0 V
t
t
VPS
CES
t
OEWS
t
t
DS
Command
WEP
input
t
t
DH
CEH
Erase setup
t
CWC
t
WEH
t
Figure 6.24 Erase Timing
CES
t
WEP
t
Command
DS
t
input
CEH
t
DH
Erase
t
ET
t
CES
t
Valid address
AS
t
t
Command
WEP
DS
t
CEH
input
t
DH
t
AH
t
OERS
Erase -verify
t
VA
Valid data
output
t
DF
t
VPH