M54HC4049D1 查看數據表（PDF） - STMicroelectronics
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M54HC4049D1 Datasheet PDF : 9 Pages
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M54HC4049
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
2.0
4.5 50
6.0
2.0
4.5 50
6.0
2.0
4.5 150
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
30 75
95
115
9 15
19
23
8 13
16
20
ns
45 100
125
150
14 20
25
30
12 17
21
26
Test Condition
Value
Symbol
Parameter
VCC
(V)
CIN Input Capacitance 5.0
CPD Power Dissipation
Capacitance (note 5.0
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
26
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/6 (per gate)
Figure 3: Test Circuit
CL = 50pF or equivalent (includes jig and probe capacitance)
RT = ZOUT of pulse generator (typically 50Ω)
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