M74HC377(1993) 查看數據表（PDF） - STMicroelectronics
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M74HC377 Datasheet PDF : 11 Pages
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M54/M74HC377
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
110
19
22
ns
6.0
7
13
16
19
tPLH Propagation
2.0
tPHL Delay Time
4.5
(CLOCK - Q)
6.0
57 140
175
210
17 28
35
42
ns
13 24
30
36
fMAX Maximum Clock 2.0
Frequency
4.5
7.2 14
5.8
4.8
36 56
29
24
MHz
6.0
42 66
34
28
tW(H) Minimum Pulse 2.0
tW(L) Width
4.5
(CLOCK)
6.0
24 75
6
15
5
13
95
115
19
23
ns
16
20
ts
Minimum Set-up 2.0
Time
4.5
(D - CK)
6.0
24 75
6
15
5
13
95
115
19
23
ns
16
20
ts
Minimum Set-up 2.0
Time
4.5
(G - CK)
6.0
30 75
8
15
6
13
95
115
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
CIN Input Capacitance
5
10
10
10 pF
CPD (*) Power Dissipation
34
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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