MC14194B Просмотр технического описания (PDF) - Motorola => Freescale
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MC14194B Datasheet PDF : 6 Pages
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PULSE
GENERATOR
Parallel Load
VDD
16
3
4
5
6
11
DP0
DP1
DP2
DP3
CLOCK
Q0 15
Q1 14
CL
CL
2 DSR
7 DSL
9 S0
10 S1
Q2 13
CL
Q3 12
R
CL
1
8 VSS
PULSE
GENERATOR
Serial Load
VDD
16
3
4
5
6
11
DP0
DP1
DP2
DP3
CLOCK
2 DSR
7 DSL
9 S0
10 S1
R
Q0 15
CL
Q1 14
CL
Q2 13
CL
Q3 12
CL
1
8 VSS
20 ns
DPn
DSR
DSL
CLOCK
Qn
RESET
20 ns
90%
50%
10%
th
tsu
tsu
50%
tWH(cl)
tPLH
90%
50%
10%
tTLH
th
1/fcl
tPHL
tTHL
NOTE: Interchange DSR with DSL and S0 with
S1 for testing shift left.
tPHL
50%
tWL
VDD
VSS
VDD
VSS
VOH
VOL
trem
VDD
VSS
Figure 1. Switching Time Test Circuits and Waveforms
VDD
16
PULSE
GENERATOR
3
4
5
6
11
DP0
DP1
DP2
DP3
CLOCK
Q0 15
Q1 14
CL
CL
2 DSR
7 DSL
9 S0
Q2 13
CL
10 S1
Q3 12
R
CL
1
8 VSS
20 ns
CLOCK
DSR
Qn
90%
50%
1/f
20 ns
10%
VDD
VSS
VDD
VSS
VOH
VOL
ID
500 µF
Figure 2. Dynamic Power Dissipation Test Circuit and Waveforms
MOTOROLA CMOS LOGIC DATA
MC14194B
287
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