MC74LCX32 查看數據表（PDF） - ON Semiconductor

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MC74LCX32

Low-Voltage CMOS Quad 2-Input OR Gate

ON Semiconductor 

MC74LCX32

An, Bn

On

VCC

Vmi

Vmi

tPHL

Vmo

tPLH

Vmo

0V

VOH

VOL

WAVEFORM 1 − PROPAGATION DELAYS

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

Symbol

Vmi

Vmo

3.3 V + 0.3 V

1.5 V

1.5 V

Vcc

2.7 V

1.5 V

1.5 V

2.5 V + 0.2 V

Vcc/2

Vcc/2

Figure 3. AC Waveforms

VCC

PULSE

GENERATOR

DUT

RT

CL

RL

CL = 50 pF at VCC = 3.3 + 0.3 V or equivalent (includes jig and probe capacitance)

CL = 30 pF at VCC = 2.5 + 0.2 V or equivalent (includes jig and probe capacitance)

RL = R1 = 500 W or equivalent

RT = ZOUT of pulse generator (typically 50 W)

Figure 4. Test Circuit

http://onsemi.com

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