M54HC190 ST Microelectronics, M54HC190 Datasheet - Page 8

• Manufacturer Part Number: M54HC190
• Description: 4 BIT SYNCHRONOUS UP/DOWN COUNTERS
• Manufacturer: ST Microelectronics

M54/M74HC190/191
AC ELECTRICAL CHARACTERISTICS (C
(*) C
(Refer to Test Circuit). Average operting current can be obtained by the following equation. I
8/14
Symbol
C
t
t
f
t
t
t
t
t
t
t
t
t
t
PD
MAX
W(H)
W(L)
W(L)
REM
C
PLH
PHL
PLH
PHL
PLH
PHL
PLH
PHL
t
t
t
PD
s
s
h
IN
(*)
is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without load.
Propagation
Delay Time
(DATA - Q)
Propagation
Delay Time
(ENABLE - RCO)
Propagation
Delay Time
(D/U - RCO)
Propagation
Delay Time
(D/U - MAX/MIN)
Maximum Clock
Frequency
Minimum Pulse
Width
(CLOCK)
Minimum Pulse
Width
(LOAD)
Minimum Set-up
Time
(SI, PI - CK)
Minimum Set-up
Time
(S0, S1 - CK)
Minimum Hold
Time
Minimum
Removal Time
Input Capacitance
Power Dissipation
Capacitance
Parameter
V
(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
2.0
4.5
6.0
2.0
4.5
6.0
CC
Test Conditions
for HC190
for HC191
L
= 50 pF, Input t
Min.
25
30
54HC and 74HC
5
T
A
Typ.
= 25
111
112
84
21
18
39
13
11
63
21
18
64
18
15
37
44
40
10
36
80
20
17
16
12
9
9
9
8
4
3
3
3
5
o
C
Max.
175
105
180
160
100
175
35
30
21
18
36
31
32
27
20
17
75
15
13
35
30
50
10
50
10
10
CC
9
0
0
0
9
r
(opr) = C
= t
Value
f
-40 to 85
Min.
= 6 ns)
20
24
4
PD
74HC
V
CC
Max.
220
130
225
200
125
220
44
37
26
22
45
38
40
34
25
21
95
19
16
44
37
60
12
11
60
12
11
10
0
0
0
o
f
C
IN
+ I
-55 to 125
CC
Min.
3.4
17
20
54HC
Max.
265
160
270
240
150
110
265
53
45
32
27
54
46
48
41
30
26
22
19
53
45
75
15
13
15
13
10
0
0
0
5
o
C
MHz
Unit
pF
pF
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns