MC74LCX157D 查看數據表（PDF） - ON Semiconductor

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MC74LCX157D

Low-Voltage CMOS Quad 2-Input Multiplexer With 5V–Tolerant Inputs (Non–Inverting)

ON Semiconductor 

MC74LCX157

In, S

1.5V

tPHL

Zn

2.7V

1.5V

0V

tPLH

VOH

1.5V

1.5V

VOL

WAVEFORM 1 - NON-INVERTING PROPAGATION DELAYS

tR = tF = 2.5ns, 10% to 90%; f = 1MHz; tW = 500ns

E, S

1.5V

tPHL

Zn

2.7V

1.5V

0V

tPLH

VOH

1.5V

1.5V

VOL

WAVEFORM 2 - INVERTING PROPAGATION DELAYS

tR = tF = 2.5ns, 10% to 90%; f = 1MHz; tW = 500ns

Figure 3. AC Waveforms

PULSE

GENERATOR

VCC

DUT

RT

CL

RL

CL = 50pF or equivalent (Includes jig and probe capacitance)

RL = R1 = 500Ω or equivalent

RT = ZOUT of pulse generator (typically 50Ω)

Figure 4. Test Circuit

http://onsemi.com

5

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