Data Sheet

MM74HC574
www.onsemi.com
4
AC ELECTRICAL CHARACTERISTICS (V
CC
= 2.0 − 6.0 V, C
L
= 50 pF, t
r
= t
f
= 6 ns unless otherwise specified)
Symbol
Parameter Conditions V
CC
T
A
= 255C T
A
= −40 to 855C T
A
= −55 to 1255C
Units
Typ Guaranteed Limits
f
MAX
Maximum Operating
Frequency
C
L
= 50 pF 2.0 V
4.5 V
6.0 V
33
30
35
28
24
28
23
20
23
MHz
t
PHL
, t
PLH
Maximum
Propagation Delay,
Clock to Q
C
L
= 50 pF
C
L
= 150 pF
2.0 V
2.0 V
18
51
30
155
38
194
45
233
ns
C
L
= 50 pF
C
L
= 150 pF
4.5 V
4.5 V
13
19
23
31
29
47
35
47
ns
C
L
= 50 pF
C
L
= 150 pF
6.0 V
6.0 V
12
18
20
27
25
34
30
41
ns
t
PZH
, t
PZL
Maximum Output
Enable Time
R
L
= 1 kW
C
L
= 50 pF
C
L
= 150 pF
2.0 V
2.0 V
22
59
30
180
38
225
45
270
ns
C
L
= 50 pF
C
L
= 150 pF
4.5 V
4.5 V
14
20
28
36
35
45
42
54
ns
C
L
= 50 pF
C
L
= 150 pF
6.0 V
6.0 V
12
18
24
31
30
39
36
47
ns
t
PHZ
, t
PLZ
Maximum Output
Disable Time
R
L
= 1 kW
C
L
= 50 pF
2.0 V
4.5 V
6.0 V
15
12
10
30
25
21
38
31
27
45
38
32
ns
t
S
Minimum Setup
Time Data to Clock
2.0 V
4.5 V
6.0 V
6 12
20
17
15
25
21
18
30
25
ns
t
H
Minimum Hold Time
Clock to Data
2.0 V
4.5 V
6.0 V
−1 5
0
0
6
0
0
8
0
0
ns
t
THL
, t
TLH
Maximum Output
Rise and Fall Time
C
L
= 50 pF 2.0 V
4.5 V
6.0 V
6
7
6
12
12
10
15
15
13
18
18
15
ns
t
W
Minimum Clock
Pulse Width
2.0 V
4.5 V
6.0 V
30
9
8
15
16
14
20
20
18
24
24
20
ns
t
r
, t
f
Maximum Clock
Input Rise and Fall
Time
2.0 V
4.5 V
6.0 V
1000
500
400
1000
500
400
1000
500
400
ns
C
PD
OC = V
CC
OC = GND
5
58
pF
C
IN
Maximum Input Ca-
pacitance
5 10 10 10 pF
C
OUT
Maximum Output
Capacitance
15 20 20 20 pF
4. C
PD
determines the no load dynamic power consumption, P
D
= C
PD
V
CC
2
f + I
CC
V
CC
, and the no load dynamic current consumption, I
S
= C
PD
V
CC
f + I
CC
.