S1K50000 Epson Electronics America, Inc., S1K50000 Datasheet - Page 90

• Manufacturer Part Number: S1K50000
• Description: Design Guide S1k50000 Series
• Manufacturer: Epson Electronics America, Inc.

STANDARD CELL S1K50000 SERIES
DESIGN GUIDE
• DC power consumption
P
The P
Therefore,
Thus, the power consumption (Po) of the output buffer is
DC
where P
Duty H = (T
Duty L = (T - T
P
P
= P
DCH
DC
O
=
+
=
DCH
=
i=1
i=1
= P
K
K
-to-P
i=1
K
P
{f
{ V
(P
+ P
DCH
{(V
DCH
DCL
i
AC
OL
DCL
DD
DCL
C
1
+ P
i
= I
+ P
= | I
+ T
L
ratio is determined by the duty cycle of the output signal.
- V
OL
1
i
I
DCL
DC
OL
OH
- T
OH
2
) / T
(V
)
i
2
T
|
V
i
) / T
Figure 7-1 Typical Duty Cycle
)
DD
1
OL
Duty L }
(V
)
I
2
(W)
OH
DD
} +
i
- V
K
i=1
Duty H } +
{(V
OH
EPSON
T
) (W)
DD
- V
OH
T
2
K
i=1
i
)
{V
Chapter 7: Estimating Power Consumption
OL
I
OH
i
i
I
OL
Duty H }
i
Duty L}
85