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M74HC190 датащи(PDF) 8 Page - STMicroelectronics

номер детали M74HC190
подробное описание детали  4 BIT SYNCHRONOUS UP/DOWN COUNTERS
PDF  14 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M74HC190 датащи(HTML) 8 Page - STMicroelectronics

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AC ELECTRICAL CHARACTERISTICS (CL =50 pF, Input tr =tf =6 ns)
Symbol
Parameter
Test Conditions
Value
Unit
VCC
(V)
TA =25
oC
54HC and 74HC
-40 to 85
oC
74HC
-55 to 125
oC
54HC
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
tPLH
tPHL
Propagation
Delay Time
(DATA - Q)
2.0
84
175
220
265
ns
4.5
21
35
44
53
6.0
18
30
37
45
tPLH
tPHL
Propagation
Delay Time
(ENABLE - RCO)
2.0
39
105
130
160
ns
4.5
13
21
26
32
6.0
11
18
22
27
tPLH
tPHL
Propagation
Delay Time
(D/U - RCO)
2.0
63
180
225
270
ns
4.5
21
36
45
54
6.0
18
31
38
46
tPLH
tPHL
Propagation
Delay Time
(D/U - MAX/MIN)
2.0
64
160
200
240
ns
4.5
18
32
40
48
6.0
15
27
34
41
fMAX
Maximum Clock
Frequency
2.0
5
9
4
3.4
MHz
4.5
25
37
20
17
6.0
30
44
24
20
tW(H)
tW(L)
Minimum Pulse
Width
(CLOCK)
2.0
40
100
125
150
ns
4.5
10
20
25
30
6.0
9
172126
tW(L)
Minimum Pulse
Width
(LOAD)
2.0
36
75
95
110
ns
4.5
9
151922
6.0
8
131619
ts
Minimum Set-up
Time
(SI, PI - CK)
2.0
80
175
220
265
ns
4.5
20
35
44
53
6.0
17
30
37
45
ts
Minimum Set-up
Time
(S0, S1 - CK)
2.0
16
50
60
75
ns
4.5
4
101215
6.0
3
9
11
13
th
Minimum Hold
Time
2.0
0
0
0
ns
4.5
0
0
0
6.0
0
0
0
tREM
Minimum
Removal Time
2.0
12
50
60
5
ns
4.5
3
101215
6.0
3
9
11
13
CIN
Input Capacitance
5
10
10
10
pF
CPD (*)
Power Dissipation
Capacitance
for HC190
for HC191
111
112
pF
(*) CPD 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. ICC(opr) = CPD
•VCC •fIN +ICC
M54/M74HC190/191
8/14



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