HD6433640 HITACHI [Hitachi Semiconductor], HD6433640 Datasheet - Page 168

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

Table 6.18 AC Characteristics in PROM Mode
(Conditions: V
Item
Command write cycle
Address setup time
Address hold time
Data setup time
Data hold time
CE setup time
CE hold time
V
V
WE programming pulse width
WE programming pulse high time
OE setup time before command write
OE setup time before verify
Verify access time
OE setup time before status polling
Status polling access time
Program wait time
Erase wait time
Output disable time
Total auto-erase time
Note: The CE, OE, and WE pins should be driven high during transitions of V
PP
PP
setup time
hold time
and from 12 V to 5 V.
* Input pulse level: 0.45 V to 2.4 V
Input rise time and fall time
Timing reference levels: 0.8 V and 2.0 V for input; 0.8 V and 2.0 V for output
CC
= 5.0 V 10%, V
PP
= 12.0 V 0.6 V, V
10 ns
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
CWC
AS
AH
DS
DH
CES
CEH
VPS
VPH
WEP
WEH
OEWS
OERS
VA
OEPS
SPA
PPW
ET
DF
AET
Min
120
0
60
50
10
0
0
100
100
70
40
0
6
—
120
—
25
9
0
0.5
SS
= 0 V, T
Typ
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
a
= 25 C 5 C)
Max
—
—
—
—
—
—
—
—
—
—
—
—
—
500
—
120
—
11
40
30
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ms
ns
s
PP
s
s
from 5 V to 12 V
Test
Conditions
Figure 6.21
Figure 6.22*
Figure 6.23
159