m74hc4020 STMicroelectronics, m74hc4020 Datasheet - Page 5

• Manufacturer Part Number: m74hc4020
• Description: Hc4020 14 Stage Binary Counter Hc4040 12 Stage Binary Counter
• Manufacturer: STMicroelectronics

AC ELECTRICAL CHARACTERISTICS (C
CAPACITIVE CHARACTERISTICS
1) C
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. I
FLOP)
t
t
t
Symbol
Symbol
PLH
PLH
TLH
t
t
t
f
t
t
C
PD
W(H)
W(H)
REM
C
MAX
W(L)
PHL
PD
IN
t
t
t
is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
THL
PHL
PHL
Output Transition
Time
Propagation Delay
Time
Propagation Delay
Time
(CLOCK Q1)
Propagation Delay
Time
(CLEAR - Qn)
Maximum Clock
Frequency
Minimum Pulse
Width (CLOCK)
Minimum Pulse
Width (CLEAR)
Minimum Removal
Time
Input Capacitance
Power Dissipation
Capacitance (note
1)
(Qn - Qn+1)
Parameter
Parameter
V
V
(V)
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
(V)
5.0
5.0
CC
CC
Test Condition
Test Condition
L
= 50 pF, Input t
Min.
Min.
6.0
30
35
T
T
A
A
r
Typ.
Typ.
= 25° C
= 25° C
30
20
76
21
18
60
18
15
15
65
70
40
32
34
= t
8
7
5
4
8
7
8
7
5
f
= 6ns)
Max.
Max.
145
140
75
15
13
50
10
29
25
28
24
75
15
13
75
15
13
10
9
0
0
0
Value
Value
CC(opr)
-40 to 85°C
Min.
-40 to 85°C
Min.
4.8
24
28
= C
Max.
Max.
180
175
95
19
16
65
13
11
36
31
35
30
95
19
16
95
19
16
10
PD
0
0
0
x V
CC
-55 to 125° C
-55 to 125° C
Min.
Min.
20
24
4
x f
IN
M74HC4020
+ I
Max.
Max.
220
210
110
110
110
CC
22
19
75
15
13
44
38
42
36
22
19
22
19
10
0
0
0
/2 (per FLIP/
Unit
MHz
Unit
pF
pF
ns
ns
ns
ns
ns
ns
ns
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