MC14543B Motorola, MC14543B Datasheet - Page 4

• Manufacturer Part Number: MC14543B
• Description: BCD-to-Seven Segment Latch/Decoder/Driver for Liquid Crystals
• Manufacturer: Motorola

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