參數(shù)資料
型號: MC14543BCP
廠商: MOTOROLA INC
元件分類: 通用總線功能
英文描述: BCD-to-Seven Segment Latch/Decoder/Driver for Liquid Crystals
中文描述: 4000/14000/40000 SERIES, SEVEN SEGMENT DECODER/DRIVER, CONFIGURABLE OUTPUT, PDIP16
封裝: PLASTIC, DIP-16
文件頁數(shù): 4/7頁
文件大小: 232K
代理商: MC14543BCP
MOTOROLA CMOS LOGIC DATA
MC14543B
4
Figure 1. Typical Output Source
Characteristics
Figure 2. Typical Output Sink
Characteristics
–24
–18
–12
–6.0
0
I
(VOH – VDD), SOURCE DEVICE VOLTAGE (Vdc)
–16
–12
–8.0
–4.0
0
VDD = 5.0 Vdc
POHmax = 70 mWdc
VDD = 10 Vdc
VDD = 15 Vdc
VSS = 0 Vdc
0
6.0
12
18
24
I
(VOL – VSS), SINK DEVICE VOLTAGE (Vdc)
0
4.0
8.0
12
16
VDD = 15 Vdc
VDD = 10 Vdc
VDD = 5.0 Vdc
VSS = 0 Vdc
POLmax = 70 mWdc
Figure 3. Dynamic Power Dissipation
Signal Waveforms
Inputs BI and Ph low, and Inputs D and LD high.
f in respect to a system clock.
Figure 4. Dynamic Signal Waveforms
(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
20 ns
20 ns
VDD
VSS
VOH
VOL
10%
50%
90%
1
2f
50% DUTY CYCLE
A, B, AND C
ANY OUTPUT
All outputs connected to respective CL loads.
20 ns
20 ns
90%
10%
50%
tPHL
tPLH
90%
50%
10%
VDD
VSS
VOH
VOL
VDD
VSS
VDD
VSS
VOH
VOL
VDD
VSS
tTHL
tTLH
C
g
LD
C
g
LD
20 ns
90%
50%
10%
50%
50%
th
tsu
50%
tWH
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