參數(shù)資料
型號(hào): M74HC620M1R
廠商: 意法半導(dǎo)體
英文描述: OCTAL BUS TRANSCEIVER HC620 3 STATE INVERTING HC623 3 STATE NON INVERTING
中文描述: 八路總線收發(fā)器HC620三態(tài)反相HC623三態(tài)非反相
文件頁數(shù): 8/11頁
文件大小: 258K
代理商: M74HC620M1R
SWITCHING CHARACTERISTICS TEST WAVEFORM
VCC
GND
TEST CIRCUIT ICC (Opr.)
CPD CALCULATION
CPD is to be calculated with the following formula
by using the measured value of ICC (Opr.) in the
test circuit opposite.
CPD =
ICC
(Opr.)
fIN xVCC
In determining the typical value of CPD, a rela-
tively high frequency of 1 MHz was applied to fIN,
in order to eliminate any error caused by the
quiescent supply current.
INPUT WAVEFORM IS THE SAME AS THAT IN CASE OF
SWITCHING CHARACTERISTICS TEST.
M54/M74HC620/623
6/11
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