
MOTOROLA CMOS LOGIC DATA
6–415
MC14553B
Figure 1. 3–Digit Counter Timing Diagram (Reference Figure 3)
1000
999
998
997
996
995
994
993
992
991
990
901
900
899
101
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
UNITS CLOCK
UNITS Q0
UNITS Q1
UNITS Q2
UNITS Q3
TENS CLOCK
TENS Q0
TENS Q3
HUNDREDS
CLOCK
HUNDREDS Q0
HUNDREDS Q3
DISABLE
OVERFLOW
MASTER
RESET
SCAN
OSCILLATOR
DIGIT SELECT 1
DIGIT SELECT 2
DIGIT SELECT 3
UP AT 80
UP AT 980
UP AT 800
(DISABLES CLOCK WHEN HIGH)
UNITS
TENS
HUNDREDS
PULSE
GENERATOR
(a)
16
VDD
Q3
Q2
Q1
Q0
O.F.
DS1
DS2
DS3
8
VSS
C
LE
DIS
MR
CL
CL
CL
CL
CL
GENERATOR
1
(b)
VDD
Q3
Q2
Q1
Q0
O.F.
DS1
DS2
DS3
VSS
C
LE
MR
DIS
CL
CL
CL
CL
CL
GENERATOR
2
GENERATOR
3
20 ns
20 ns
90%
10%
tPLH
tPHL
50%
50%
tTHL
tTLH
10%
90%
50%
1/fcl
tWL(cl)
999
1000
tTLH
50%
OVERFLOW
BCD OUT
CLOCK
90%
10%
trem
tPHL, tPLH
50%
50%
50%
tWH(R)
tsu
tPHL
MASTER RESET
BCD OUT
LATCH
ENABLE
CLOCK
Figure 2. Switching Time Test Circuits and Waveforms
tsu
tPHL
Содержание CMOS Logic
Страница 1: ......
Страница 5: ...iv MOTOROLA CMOS LOGIC DATA ...
Страница 6: ...Master Index 1 ...
Страница 12: ...Product Selection Guide 2 ...
Страница 17: ...The Better Program 3 ...
Страница 20: ...B and UB Series Family Data 4 ...
Страница 25: ...CMOS Handling and Design Guidelines 5 ...
Страница 32: ...CMOS Handling and Design Guidelines 5 ...
Страница 39: ...Data Sheets 6 ...
Страница 69: ...MOTOROLA CMOS LOGIC DATA 6 31 MC14008B Figure 5 Logic Diagram Cin A1 B1 A2 B2 A3 B3 A4 B4 S1 S2 S3 S4 Cout ...
Страница 234: ...MOTOROLA CMOS LOGIC DATA MC14174B 6 196 FUNCTIONAL BLOCK DIAGRAM TIMING DIAGRAM ...
Страница 238: ...MOTOROLA CMOS LOGIC DATA MC14175B 6 200 FUNCTIONAL BLOCK DIAGRAM TIMING DIAGRAM ...
Страница 555: ...CMOS Reliability 7 ...
Страница 561: ...Equivalent Gate Count 8 ...
Страница 563: ...Packaging Information Including Surface Mounts 9 ...
Страница 571: ......