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| CD54HC4351_07 Datasheet, PDF (13/23 Pages) Texas Instruments – High-Speed CMOS Logic Analog Multiplexers/Demultiplexers with Latch | |||
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CD54HC4351, CD74HC4351, CD74HCT4351, CD74HC4352
Analog Test Circuits (Continued)
600â¦
VCC/2
VCC
SWITCH
ALTERNATING
ON AND OFF
tr, tf ⤠6ns
fCONT = 1MHz
50% DUTY
CYCLE
E
VOS
VP-P
600â¦
VOS
50pF
VCC/2
SCOPE
0.1µF
VIS
VCC
VC = VIL
SWITCH
OFF
R
R
VCC/2
VCC/2
fIS ⥠1MHz SINEWAVE
R = 50â¦
C = 10pF
VOS
C
dB
METER
FIGURE 13. CONTROL-TO-SWITCH FEEDTHROUGH NOISE
TEST CIRCUIT
FIGURE 14. SWITCH OFF SIGNAL FEEDTHROUGH
13
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