M54HC191 Просмотр технического описания (PDF) - STMicroelectronics
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M54HC191 Datasheet PDF : 14 Pages
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M54/M74HC190/191
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.
tPLH Propagation
2.0
tPHL Delay Time
4.5
(DATA - Q)
6.0
84 175
220
265
21 35
44
53
ns
18 30
37
45
tPLH Propagation
2.0
tPHL Delay Time
4.5
(ENABLE - RCO) 6.0
39 105
130
160
13 21
26
32
ns
11 18
22
27
tPLH Propagation
2.0
tPHL Delay Time
4.5
(D/U - RCO)
6.0
63 180
225
270
21 36
45
54
ns
18 31
38
46
tPLH Propagation
2.0
tPHL Delay Time
4.5
(D/U - MAX/MIN) 6.0
64 160
200
240
18 32
40
48
ns
15 27
34
41
fMAX Maximum Clock 2.0
Frequency
4.5
5
9
4
3.4
25 37
20
17
MHz
6.0
30 44
24
20
tW(H) Minimum Pulse 2.0
tW(L) Width
4.5
(CLOCK)
6.0
40 100
125
150
10 20
25
30
ns
9
17
21
26
tW(L) Minimum Pulse
2.0
Width
4.5
(LOAD)
6.0
36 75
9
15
8
13
95
110
19
22
ns
16
19
ts
Minimum Set-up 2.0
Time
4.5
(SI, PI - CK)
6.0
80 175
220
265
20 35
44
53
ns
17 30
37
45
ts
Minimum Set-up 2.0
Time
4.5
(S0, S1 - CK)
6.0
16 50
60
75
4
10
12
15
ns
3
9
11
13
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
12 50
60
5
3
10
12
15
ns
6.0
3
9
11
13
CIN Input Capacitance
5
10
10
10 pF
CPD (*) Power Dissipation
for HC190
111
Capacitance
for HC191
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
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