MC54/74HC175
AC ELECTRICAL CHARACTERISTICS (C = 50 pF, Input t = t = 6 ns)
L
r
f
Guaranteed Limit
– 55 to
V
CC
V
25 C
Symbol
Parameter
Unit
85 C
125 C
f
Maximum Clock Frequency (50% Duty Cycle)
(Figures 1 and 4)
2.0
4.5
6.0
6.0
30
35
4.8
24
28
4.0
20
24
MHz
max
t
t
,
Maximum Propagation Delay, Clock to Q or Q
(Figures 1 and 4)
2.0
4.5
6.0
150
30
26
190
38
33
225
45
38
ns
ns
ns
pF
PLH
PHL
t
Maximum Propagation Delay, Reset to Q or Q
(Figures 2 and 4)
2.0
4.5
6.0
125
25
21
155
31
26
190
38
32
PHL
t
t
,
Maximum Output Transition Time, Any Output
(Figures 1 and 4)
2.0
4.5
6.0
75
15
13
95
19
16
110
22
19
TLH
THL
C
Maximum Input Capacitance
—
10
10
10
in
NOTES:
1. For propagation delays with loads other than 50 pF, see Chapter 2 of the Motorola High–Speed CMOS Data Book (DL129/D).
2. Information on typical parametric values can be found in Chapter 2 of the Motorola High–Speed CMOS Data Book (DL129/D).
Typical @ 25°C, V
= 5.0 V
CC
C
Power Dissipation Capacitance (Per Flip–Flop)*
pF
35
PD
2
* Used to determine the no–load dynamic power consumption: P = C
D
Motorola High–Speed CMOS Data Book (DL129/D).
V
f + I
V
. For load considerations, see Chapter 2 of the
PD CC
CC CC
TIMING REQUIREMENTS (Input t = t = 6 ns)
r
f
Guaranteed Limit
– 55 to
V
CC
V
25 C
Symbol
Parameter
Unit
85 C
125 C
t
su
Minimum Setup Time, Data to Clock
(Figure 3)
2.0
4.5
6.0
100
20
17
125
25
21
150
30
26
ns
t
Minimum Hold Time, Clock to Data
(Figure 3)
2.0
4.5
6.0
3
3
3
3
3
3
3
3
3
ns
ns
ns
ns
ns
h
t
Minimum Recovery Time, Reset Inactive to Clock
(Figure 2)
2.0
4.5
6.0
100
20
17
125
25
21
150
30
26
rec
t
Minimum Pulse Width, Clock
(Figure 1)
2.0
4.5
6.0
80
16
14
100
20
17
120
24
20
w
w
t
Minimum Pulse Width, Reset
(Figure 2)
2.0
4.5
6.0
80
16
14
100
20
17
120
24
20
t , t
r f
Maximum Input Rise and Fall Times
(Figure 1)
2.0
4.5
6.0
1000
500
400
1000
500
400
1000
500
400
NOTE: Information on typical parametric values can be found in Chapter 2 of the Motorola High–Speed CMOS Data Book (DL129/D).
High–Speed CMOS Logic Data
DL129 — Rev 6
3
MOTOROLA