Datasheet

AC ELECTRICAL CHARACTERISTICS (C
L
=50pF,Inputt
r
=t
f
=6ns)
Symbol Parameter
Test Conditions Value
Unit
V
CC
(V)
T
A
=25
o
C
54HC and 74HC
-40 to 85
o
C
74HC
-55 to 125
o
C
54HC
Min. Typ. Max. Min. Max. Min. Max.
t
TLH
t
THL
Output Transition
Time
2.0 30 75 95 110
ns
4.5 8151922
6.0 7131619
t
PLH
t
PHL
Propagation
Delay Time
(Qn - Qn+1)
2.0 20 50 65 75
ns
4.5 5101315
6.0 4 9 11 13
t
PLH
t
PHL
Propagation
Delay Time
(CLOCK Q1)
2.0
for HC4020
76 145 180 220
ns
4.5 21 29 36 44
6.0 18 25 31 38
t
PLH
t
PHL
Propagation
Delay Time
(CLOCK Q1)
2.0
for HC4040
48 145 180 220
ns
4.5 17 29 36 44
6.0 13 25 31 38
t
PHL
Propagation
Delay Time
(CLEAR - Qn)
2.0
for HC4020
60 140 175 210
ns
4.5 18 28 35 42
6.0 15 24 30 36
t
PHL
Propagation
Delay Time
(CLEAR - Qn)
2.0
for HC4040
56 140 175 210
ns
4.5 18 28 35 42
6.0 15 24 30 36
f
MAX
Maximum Clock
Frequency
2.0 6.0 15 4.8 4
MHz
4.5 30 65 24 20
6.0 35 70 28 24
t
W(H)
t
W(L)
Minimum Pulse
Width
(CLOCK)
2.0 40 75 95 110
ns
4.5 8151922
6.0 7131619
t
W(H)
Minimum Pulse
Width
(CLEAR)
2.0
for HC4020
32 75 95 110
ns
4.5 8151922
6.0 7131619
t
W(H)
Minimum Pulse
Width
(CLEAR)
2.0
for HC4040
70 175 220 265
ns
4.5 19 35 44 53
6.0 16 30 37 45
t
REM
Minimum
Removal Time
2.0
for HC4020
000
ns
4.5 0 0 0
6.0 0 0 0
t
REM
Minimum
Removal Time
2.0
for HC4040
25 30 40
ns
4.5 5 6 8
6.0 5 5 7
C
IN
Input Capacitance 5 10 10 pF
C
PD
(*) Power Dissipation
Capacitance
34
pF
(*) C
PD
isdefined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without load.
(Refer to Test Circuit).Average operting current can be obtained by the followingequation. I
CC
(opr) = C
PD
•V
CC
•f
IN
+I
CC
/2 (per FLIP/FLOP)
M54/M74HC4020/4040
7/13