MC74VHCT540ADTR2 Ver la hoja de datos (PDF) - ON Semiconductor

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MC74VHCT540ADTR2

Octal Bus Buffer Inverting

ON Semiconductor 

MC74VHCT540A

A

1.5V

tPHL

Y

1.5V

Figure 1.

SWITCHING WAVEFORMS

3.0V

OE1 or OE2

GND

tPLH

Y

VOH

1.5V

tPZL tPLZ

1.5V

tPZH tPHZ

3.0V

50%

GND

HIGH

IMPEDANCE

VOL +0.3V

VOL

Y

1.5V

Figure 2.

VOH –0.3V

HIGH

IMPEDANCE

DEVICE

UNDER

TEST

TEST

POINT

OUTPUT

CL*

TEST CIRCUITS

DEVICE

UNDER

TEST

TEST

POINT

OUTPUT

1kΩ

CL*

CONNECT TO VCC WHEN

TESTING tPLZ AND tPZL.

CONNECT TO GND WHEN

TESTING tPHZ AND tPZH.

*Includes all probe and jig capacitance

Figure 3.

*Includes all probe and jig capacitance

Figure 4.

MOTOROLA

4

VHC Data – Advanced CMOS Logic

DL203 — Rev 2

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