74LVC373AM 데이터 시트보기 (PDF) - STMicroelectronics
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74LVC373AM Datasheet PDF : 13 Pages
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74LVC373A
Table 9: Capacitive Characteristics
Symbol
Parameter
CIN Input Capacitance
CPD Power Dissipation Capacitance
(note 1)
Test Condition
VCC
(V)
1.8
fIN = 10MHz
2.5
3.3
Value
TA = 25 °C
Unit
Min. Typ. Max.
4
pF
28
30
pF
34
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/n (per circuit)
Figure 3: Test Circuit
RT = ZOUT of pulse generator (typically 50Ω)
Table 10: Test Circuit And Waveform Symbol Value
Symbol
CL
RL = R1
VS
VIH
VM
VOH
VX
VY
tr = tr
1.65 to 1.95V
30pF
1000Ω
2 x VCC
VCC
VCC/2
VCC
VOL + 0.15V
VOH - 0.15V
<2.0ns
VCC
2.3 to 2.7V
30pF
500Ω
2 x VCC
VCC
VCC/2
VCC
VOL + 0.15V
VOH - 0.15V
<2.0ns
2.7V
50pF
500Ω
6V
2.7V
1.5V
3.0V
VOL + 0.3V
VOH - 0.3V
<2.5ns
3.0 to 3.6V
50pF
500Ω
7V
3.0V
1.5V
3.5V
VOL + 0.3V
VOH - 0.3V
<2.5ns
5/13
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