M54HC173 Просмотр технического описания (PDF) - STMicroelectronics
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M54HC173 Datasheet PDF : 12 Pages
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M54/M74HC173
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6 ns)
Symbol
Parameter
tTLH Output Transition
tTHL Time
tPLH Propagation
tPHL Delay Time
(CLOCK - Q)
tPLH Propagation
tPHL Delay Time
(CLEAR - Q)
fMAX Maximum Clock
Frequency
tPZL Output Enable
tPZH Time
tPLZ Output Disable
tPHZ Time
tW(H)
tW(L)
tW(L)
ts
ts
th
Minimum Pulse
Width
(CLOCK)
Minimum Pulse
Width
(CLEAR)
Minimum Set-up
Time
(G1, G2)
Minimum Set-up
Time
(D)
Minimum Hold
Time
(G1, G2, D)
Test Conditions
VCC CL
(V) (pF)
2.0
4.5 50
6.0
2.0
4.5 50
6.0
2.0
4.5 150
6.0
2.0
4.5 50
6.0
2.0
4.5 150
6.0
2.0
4.5 50
6.0
2.0
4.5 50 RL = 1KΩ
6.0
2.0
4.5 150 RL = 1KΩ
6.0
2.0
4.5 50 RL = 1KΩ
6.0
2.0
4.5 50
6.0
2.0
4.5 50
6.0
2.0
4.5 50
6.0
2.0
4.5 50
6.0
2.0
4.5 50
6.0
TA = 25 oC
54HC and 74HC
Min. Typ. Max.
25 60
7
12
6
10
50 115
14 23
12 20
65 145
18 29
15 25
50 115
14 23
12 20
65 145
18 29
15 25
8.6 20
43 67
51 84
50 115
14 23
12 20
65 145
18 29
15 25
36 105
15 21
13 18
16 75
4
15
3
13
16 75
4
15
3
13
40 100
10 20
9
17
24 75
6
15
5
13
0
0
0
Value
-40 to 85 oC
74HC
Min. Max.
75
15
13
145
29
25
180
36
31
145
29
25
180
36
31
6.8
34
40
145
29
25
180
36
31
130
26
22
95
19
16
95
19
16
125
25
21
95
19
16
0
0
0
-55 to 125 oC
54HC
Min. Max.
90
18
15
175
35
30
220
44
37
175
35
30
220
44
37
5.8
29
34
175
35
30
220
44
37
160
32
27
110
22
19
110
22
19
150
30
26
110
22
19
0
0
0
Unit
ns
ns
ns
ns
ns
MHz
ns
ns
ns
ns
ns
ns
ns
ns
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