MC74VHCT126ADR2 Ver la hoja de datos (PDF) - ON Semiconductor

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MC74VHCT126ADR2

Quad Bus Buffer with 3–State Control Inputs

ON Semiconductor 

A

tPLH

Y

1.5V

1.5V

Figure 1.

MC74VHCT126A

SWITCHING WAVEFORMS

3.0V

GND

tPHL

VOH

VOL

OE

1.5V

tPZL tPLZ

Y

1.5V

tPZH tPHZ

Y

1.5V

Figure 2.

3.0V

GND

HIGH

IMPEDANCE

VOL + 0.3V

VOH – 0.3V

HIGH

IMPEDANCE

DEVICE

UNDER

TEST

TEST POINT

OUTPUT

CL*

DEVICE

UNDER

TEST

TEST POINT

OUTPUT 1 kΩ

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. Test Circuit

*Includes all probe and jig capacitance

Figure 4. Test Circuit

MARKING DIAGRAMS

(Top View)

14 13 12 11 10 9 8

VHCT126A

AWLYWW*

1234567

14 13 12 11 10 9 8

VHCT

126A

ALYW*

1234567

14–LEAD SOIC

D SUFFIX

CASE 751A

14–LEAD TSSOP

DT SUFFIX

CASE 948G

14 13 12 11 10 9 8

VHCT126A

AWLYWW*

1234567

14–LEAD SOIC EIAJ

M SUFFIX

CASE 965

*See Applications Note #AND8004/D for date code and traceability information.

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