M54HC390 データシートの表示（PDF） - STMicroelectronics
部品番号
コンポーネント説明
メーカー
M54HC390 Datasheet PDF : 13 Pages
| |||
M54/M74HC390
TEST CIRCUIT ICC (Opr.)
WHEN THE OUTPUTS DRIVE CAPACITIVE LOAD, TOTAL CURRENT CONSUMPTION IS TO BE A SUM OF THE VALUE CALCULATED
FROM CPD AND ∆ICC OBTAINED FROM THE FOLLOWING FORMULA.
∆ICC =
fCK . VCC .
Ca
2
+
fCK
2
. VCC .
2Cb
5
+
Cc
5
+
Cd
5
Ca – Cd ARE THE CAPACITANCE AT QA ∼ QD OUTPUT.
SWITCHING CHARACTERISTICS TEST WAVEFORM
8/13
Share Link: 