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M74HC194B1R View Datasheet(PDF) - STMicroelectronics

Part Name
Description
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M74HC194B1R
ST-Microelectronics
STMicroelectronics ST-Microelectronics
M74HC194B1R Datasheet PDF : 12 Pages
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M54/M74HC194
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6 ns)
Symbol
Parameter
Test Conditions
VCC
(V)
TA = 25 oC
54HC and 74HC
Value
-40 to 85 oC -55 to 125 oC Unit
74HC
54HC
Min. Typ. Max. Min. Max. Min. Max.
tTLH Output Transition 2.0
tTHL Time
4.5
30 75
8
15
95
115
19
23
ns
6.0
7
13
16
20
tPLH Propagation
2.0
tPHL Delay Time
4.5
(CLOCK - Q)
6.0
48 115
145
175
15 23
29
35
ns
13 20
25
30
tPHL Propagation
2.0
Delay Time
4.5
(CLEAR - Q)
6.0
52 125
155
190
17 25
31
38
ns
15 21
26
32
fMAX Maximum Clock 2.0
Frequency
4.5
6.2 13
5.0
4.2
31 50
25
21
MHz
6.0
37 59
30
25
tW(H) Minimum Pulse 2.0
tW(L) Width
4.5
(CLOCK)
6.0
20 75
5
15
4
13
95
110
19
22
ns
16
19
tW(L) Minimum Pulse 2.0
Width
4.5
(CLEAR)
6.0
24 75
6
15
5
13
95
110
19
22
ns
16
19
ts
Minimum Set-up 2.0
Time
4.5
(SI, PI - CK)
6.0
20 75
5
15
4
13
95
110
19
22
ns
16
20
ts
Minimum Set-up 2.0
Time
4.5
(S0, S1 - CK)
6.0
28 75
7
15
6
13
95
110
19
23
ns
16
20
th
Minimum Hold
2.0
Time
4.5
0
0
0
0
0
0
ns
6.0
0
0
0
tREM Minimum
2.0
Removal Time
4.5
5
5
5
5
5
5
ns
6.0
5
5
5
CIN Input Capacitance
5
10
10
10 pF
CPD (*) Power Dissipation
85
Capacitance
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
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