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
(CK - QH, QH)
2.0 55 150 190 225
ns
4.5 18 30 38 45
6.0 15 26 33 38
t
PLH
t
PHL
Propagation
Delay Time
(S/L - QH, QH)
2.0 65 165 205 250
ns
4.5 21 33 41 50
6.0 18 28 35 43
t
PLH
t
PHL
Propagation
Delay Time
(H - QH, QH)
2.0 52 135 170 205
ns
4.5 17 27 34 41
6.0 14 23 29 35
f
MAX
Maximum Clock
Frequency
2.0 7.4 15 6.0 4.8
MHz
4.5 37 60 30 24
6.0 44 71 35 28
t
W(H)
t
W(L)
Minimum Pulse
Width
(CK)
2.0 24 75 95 110
ns
4.5 6151922
6.0 5131619
t
W(L)
Minimum Pulse
Width
(S/L)
2.0 32 75 95 110
ns
4.5 8151922
6.0 7131619
t
s
Minimum Set-up
Time
(PI - S/L)
(SI - CK)
(S/L -CK)
2.0 24 75 95 110
ns
4.5 6151922
6.0 5131619
t
h
Minimum Hold
Time
(S/L - PI)
(CK - SI)
(CK - S/L)
2.0 0 0 0
ns
4.5 0 0 0
6.0 0 0 0
t
REM
Minimum
Removal Time
(CK - CKINH)
2.0 20 75 95 110
ns
4.5 5151922
6.0 4131619
C
IN
Input Capacitance 5 10 10 10 pF
C
PD
(*) Power Dissipation
Capacitance
55
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 following equation. I
CC
(opr) = C
PD
•V
CC
•f
IN
+I
CC
M54/M74HC165
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