M54HCT163 データシートの表示（PDF） - STMicroelectronics
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M54HCT163 Datasheet PDF : 16 Pages
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TEST CIRCUIT ICC (Opr.)
TYPICAL APPLICATION
M54/M74HCT160/161/162/163
TOTAL OPERATING CURRENT WHEN
USING A CAPACITIVE LOAD
When the outputs drive a capacitive load, the
total current can be calculated as follows :
For M74HCT160/162 :
∆
lCC
= fCK
⋅
VCC⋅
C2a
+
Cb
5
+
Cc
10
+
Cd
10
+
C1c0a
For M74HCT161/163 :
∆
lCC
= fCK
⋅
VCC⋅
Ca
2
+
Cb
4
+
Cc
8
+
Cd
16
+
Cca
16
Ca to Cca are the capacitors loading the out-
puts.
11/16
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