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P OHmax = 70 mWdc
– 6.0
V DD = 10 Vdc
– 12
– 18
V DD = 15 Vdc
– 24
– 16
– 12
(V OH – V DD ), SOURCE DEVICE VOLTAGE (Vdc)
Figure 1. Typical Output Source
Characteristics
Inputs BI and Ph low, and Inputs D and LD high.
f in respect to a system clock.
All outputs connected to respective C L loads.
20 ns
A, B, AND C
90%
10%
1
2f
50% DUTY CYCLE
ANY OUTPUT
Figure 3. Dynamic Power Dissipation
Signal Waveforms
MOTOROLA CMOS LOGIC DATA
V DD = 5.0 Vdc
V SS = 0 Vdc
– 8.0
– 4.0
0
20 ns
V DD
50%
V SS
V OH
V OL
24
18
V DD = 10 Vdc
12
6.0
V DD = 5.0 Vdc
0
0
4.0
8.0
(V OL – V SS ), SINK DEVICE VOLTAGE (Vdc)
Figure 2. Typical Output Sink
Characteristics
(a) Inputs D, Ph, and BI low, and Inputs A, B, and LD high.
20 ns
20 ns
90%
C
10%
t PHL
90%
50%
g
t THL
(b) Inputs D, Ph, and BI low, and Inputs A and B high.
20 ns
90%
LD
50%
10%
t su
50%
C
g
(c) Data DCBA strobed into latches
50%
LD
t WH
Figure 4. Dynamic Signal Waveforms
V DD = 15 Vdc
P OLmax = 70 mWdc
V SS = 0 Vdc
12
16
V DD
50%
V SS
t PLH
V OH
10%
V OL
t TLH
V DD
V SS
t h
V DD
50%
V SS
V OH
V OL
V DD
V SS
MC14543B
6–385
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