M54HC373K1 查看數據表（PDF） - STMicroelectronics
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M54HC373K1 Datasheet PDF : 11 Pages
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M54HC373
Table 6: AC Electrical Characteristics (CL = 50 pF, Input tr = tf = 6ns)
Test Condition
Symbol
Parameter
VCC CL
(V) (pF)
tTLH tTHL Output Transition
Time
tPLH tPHL Propagation Delay
Time
(LE, D - Q)
tPZL tPZH High Impedance
Output Enable
Time
tPLZ tPHZ High Impedance
Output Disable
Time
tW(H) Minimum Pulse
Width (LE)
ts Minimum Set-up
Time
th Minimum Hold
Time
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 RL = 1 KΩ
6.0
2.0
4.5 150 RL = 1 KΩ
6.0
2.0
4.5 50 RL = 1 KΩ
6.0
2.0
4.5 50
6.0
2.0
4.5 50
6.0
2.0
4.5 50
6.0
Table 7: Capacitive Characteristics
Value
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min. Typ. Max. Min. Max. Min. Max.
25 60
75
90
7 12
15
18 ns
6 10
13
15
42 125
155
190
14 25
31
38 ns
12 21
26
32
57 175
220
265
19 35
44
53 ns
16 30
37
45
39 125
155
190
13 25
31
38 ns
11 21
26
32
54 175
220
265
18 35
44
53 ns
15 30
37
45
30 125
155
190
14 25
31
38 ns
13 21
26
32
15 75
95
110
6 15
19
22 ns
6 13
16
19
16 50
65
75
4 10
13
15 ns
3
9
11
13
5
5
5
5
5
5 ns
5
5
5
Test Condition
Value
Symbol
Parameter
VCC
(V)
CIN
COUT
CPD
Input Capacitance
Output
Capacitance
Power Dissipation
Capacitance (note
1)
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min. Typ. Max. Min. Max. Min. Max.
5 10
10
10 pF
10
pF
38
pF
1) 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 operating current can be obtained by the following equation. ICC(opr) = CPD x VCC x fIN + ICC/8 (per Flip
Flop) and the CPD when n pcs of Flip Flop operate, can be gained by the following equation: CPD(TOTAL) = 22 + 16 x n (pF)
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