MC14520BF Ver la hoja de datos (PDF) - ON Semiconductor
Número de pieza
componentes Descripción
Fabricante
MC14520BF Datasheet PDF : 8 Pages
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MC14518B
ÎÎSÎÎWIÎÎTCHÎÎINGÎÎCHÎÎARÎÎACTÎÎERÎÎISTÎÎICSÎÎ(7.)ÎÎ(CL =ÎÎ50ÎÎpF,ÎÎTA=ÎÎ25_ÎÎC) ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎAlÎÎl TypÎÎesÎÎÎÎÎÎÎÎÎÎÎÎ
Characteristic
Output Rise and Fall Time
tTLH, tTHL = (1.5 ns/pF) CL + 25 ns
tTLH, tTHL = (0.75 ns/pF) CL + 12.5 ns
tTLH, tTHL = (0.55 ns/pF) CL + 9.5 ns
Propagation Delay Time
Clock to Q/Enable to Q
tPLH, tPHL = (1.7 ns/pF) CL + 215 ns
tPLH, tPHL = (0.66 ns/pF) CL + 97 ns
tPLH, tPHL = (0.5 ns/pF) CL + 75 ns
Symbol
tTLH,
tTHL
tPLH,
tPHL
VDD
5.0
10
15
5.0
10
15
Min
Typ (8.)
Max
Unit
ns
—
100
200
—
50
100
—
40
80
ns
—
280
560
—
115
230
—
80
160
Reset to Q
tPHL = (1.7 ns/pF) CL + 265 ns
tPHL = (0.66 ns/pF) CL + 117 ns
tPHL = (0.66 ns/pF) CL + 95 ns
Clock Pulse Width
tPHL
tw(H)
tw(L)
ns
5.0
—
330
650
10
—
130
230
15
—
90
170
5.0
200
100
10
100
50
15
70
35
—
ns
—
—
Clock Pulse Frequency
fcl
5.0
—
2.5
1.5
MHz
10
—
6.0
3.0
15
—
8.0
4.0
Clock or Enable Rise and Fall Time
tTHL, tTLH
5.0
—
—
15
µs
10
—
—
5
15
—
—
4
Enable Pulse Width
tWH(E)
5.0
440
220
—
ns
10
200
100
—
15
140
70
—
Reset Pulse Width
tWH(R)
5.0
280
125
—
ns
10
120
55
—
15
90
40
—
Reset Removal Time
trem
5.0
–5
– 45
—
ns
10
15
– 15
—
15
20
–5
—
7. The formulas given are for the typical characteristics only at 25_C.
8. 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 Q0
Q1
Q2
E
R
Q3
CL CL
CL
CL
VSS
20 ns
90%
50%
VARIABLE
WIDTH
20 ns
10%
VSS
Figure 1. Power Dissipation Test Circuit and Waveform
http://onsemi.com
4
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