MC14020B View Datasheet(PDF) - Motorola => Freescale
Part Name
Description
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MC14020B Datasheet PDF : 6 Pages
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ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ SWITCHING CHARACTERISTICS (CL = 50 pF, TA = 25_C)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Characteristic
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Output Rise and Fall Time
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tTLH, tTHL = (1.5 ns/pF) CL + 25 ns
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tTLH, tTHL = (0.75 ns/pF) CL + 12.5 ns
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tTLH, tTHL = (0.55 ns/pF) CL + 9.5 ns
Propagation Delay Time
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Clock to Q1
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tPHL, tPLH = (1.7 ns/pF) CL + 175 ns
tPHL, tPLH = (0.66 ns/pF) CL + 82 ns
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tPHL, tPLH = (0.5 ns/pF) CL + 55 ns
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Clock to Q14
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tPHL, tPLH – (1.7 ns/pF) CL + 1735 ns
tPHL, tPLH = (0.66 ns/pF) CL + 772 ns
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tPHL, tPLH = (0.5 ns/pF) CL + 535 ns
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Propagation Delay Time
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Reset to Qn
tPHL = (1.7 ns/pF) CL + 285 ns
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tPHL = (0.66 ns/pF) CL + 122 ns
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tPHL = (0.5 ns/pF) CL + 90 ns
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Clock Pulse Width
Symbol
tTLH,
tTHL
tPLH,
tPHL
tPHL
tWH
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Clock Pulse Frequency
fcl
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Clock Rise and Fall Time
tTLH, tTHL
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Reset Pulse Width
tWL
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Reset Removal Time
trem
VDD
Vdc
5.0
10
15
5.0
10
15
5.0
10
15
5.0
10
15
5.0
10
15
5.0
10
15
5.0
10
15
5.0
10
15
5.0
10
15
Min
—
—
—
—
—
—
—
—
—
—
—
—
500
165
125
—
—
—
3000
550
420
130
50
30
Typ #
100
50
40
260
115
80
1820
805
560
370
155
115
140
55
38
2.0
6.0
8.0
No Limit
320
120
80
65
25
15
Max
200
100
80
520
230
160
3900
1725
1200
740
310
230
—
—
—
1.0
3.0
4.0
—
—
—
—
—
—
Unit
ns
ns
ns
ns
ns
MHz
—
ns
ns
* The formulas given are for the typical characteristics only at 25_C.
#Data labelled “Typ” is not to be used for design purposes but is intended as an indication of the IC’s potential performance.
500 µF
VDD
ID
0.01 µF
CERAMIC
PULSE
GENERATOR
C Q1
Q4
R Qn
VSS
CL
CL
CL
CLOCK
20 ns
90%
50%
10%
50% DUTY CYCLE
20 ns
VDD
VSS
Figure 1. Power Dissipation Test Circuit
and Waveform
PULSE
GENERATOR
VDD
C Q1
Q4
R Qn
VSS
CL
CL
CL
CLOCK
Q
tTLH
20 ns
tPLH
90%
50%
10%
90%
50%
10%
tWH
tTHL
20 ns
tPHL
Figure 2. Switching Time Test Circuit
and Waveforms
MOTOROLA CMOS LOGIC DATA
MC14020B
89
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