MC74HCT125A(2009) 데이터 시트보기 (PDF) - ON Semiconductor

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MC74HCT125A
(Rev.:2009)

Quad 3-State Noninverting Buffer with LSTTL Compatible Inputs High−Performance Silicon−Gate CMOS

ON Semiconductor 

MC74HCT125A

SWITCHING WAVEFORMS

tr

INPUT A (VI)

tPLH

OUTPUT Y

90%

10V%M

90%

10V%M

tTLH

VI = GND to 3.0 V

VM = 1.3 V

Figure 1.

tf

VCC

GND

tPHL

tTHL

OE (VI)

VM

OUTPUT Y

OUTPUT Y

VM

tPZH tPHZ

VM

Figure 2.

VCC

GND

HIGH

IMPEDANCE

10% VOL

90% VOH

HIGH

IMPEDANCE

DEVICE

UNDER

TEST

TEST POINT

OUTPUT

CL*

*Includes all probe and jig capacitance

Figure 3. Test Circuit

OE

A

DEVICE

UNDER

TEST

TEST POINT

1 kW

OUTPUT

CL *

CONNECT TO VCC WHEN

TESTING tPLZ AND tPZL.

CONNECT TO GND WHEN

TESTING tPHZ and tPZH.

*Includes all probe and jig capacitance

Figure 4. Test Circuit

VCC

Y

(1/4 OF THE DEVICE)

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