M54/M74HC164
AC ELECTRICAL CHARACTERISTICS
(C
L
= 50 pF, Input t
r
= t
f
= 6 ns)
Test Conditions
Symbol
Parameter
V
CC
(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
2.0
4.5
6.0
5
99
T
A
= 25 C
54HC and 74HC
Min.
Typ.
30
8
7
57
19
16
60
20
17
18
53
62
24
6
5
40
10
9
16
4
3
Max.
75
15
13
160
32
27
175
35
30
5.0
25
30
75
15
13
75
15
13
50
10
9
5
5
5
5
5
5
10
95
19
16
95
19
16
65
13
11
5
5
5
5
5
5
10
o
Value
-40 to 85
o
C -55 to 125
o
C
74HC
54HC
Min.
Max.
95
19
16
200
40
34
220
44
37
4.2
21
25
110
22
19
110
22
19
75
15
13
5
5
5
5
5
5
10
Min.
Max.
110
22
19
240
48
41
265
53
45
Unit
t
TLH
t
THL
t
PLH
t
PHL
t
PHL
Output Transition
Time
Propagation
Delay Time
(CLOCK - Q)
Propagation
Delay Time
(CLEAR - Q)
Maximum Clock
Frequency
Minimum Pulse
Width
(CLOCK)
Minimum Pulse
Width
(CLEAR)
Minimum Set-up
Time
(A, B - CK)
Minimum Hold
Time
(A, B - CK)
Minimum
Removal Time
Input Capacitance
Power Dissipation
Capacitance
ns
ns
ns
f
MAX
6.2
31
37
MHz
t
W(H)
t
W(L)
t
W(L)
ns
ns
t
s
ns
t
h
ns
t
REM
ns
pF
pF
C
IN
C
PD
(*)
(*) C
PD
is defined 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
5/12
STMICROELECTRONICS [ STMICROELECTRONICS ]
