MC74LVX240DW 데이터 시트보기 (PDF) - Motorola => Freescale

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MC74LVX240DW

Octal Bus Buffer Inverting With 5V−Tolerant Inputs

Motorola => Freescale 

MC74LVX240

1Dn, 2Dn

50%

tPHL

1On, 2On

50% VCC

Figure 3.

SWITCHING WAVEFORMS

VCC

GND

tPLH

1OE, 2OE

1On, 2On

1On, 2On

50%

tPZL tPLZ

50% VCC

tPZH tPHZ

50% VCC

Figure 4.

VCC

GND

HIGH

IMPEDANCE

VOL +0.3V

VOH –0.3V

HIGH

IMPEDANCE

DEVICE

UNDER

TEST

TEST POINT

OUTPUT

CL*

TEST CIRCUITS

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 5. Propagation Delay Test Circuit

* Includes all probe and jig capacitance

Figure 6. Three–State Test Circuit

MOTOROLA

4

LVX Data — Low–Voltage CMOS Logic

BR1492 — Rev 0

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