MC74VHC540MEL データシートの表示（PDF） - ON Semiconductor

部品番号

コンポーネント説明

メーカー

MC74VHC540MEL

Octal Bus Buffer Inverting

ON Semiconductor 

A

50%

tPHL

Y

50% VCC

Figure 1.

MC74VHC540

SWITCHING WAVEFORMS

VCC

OE1 or OE2

GND

tPLH

Y

Y

50%

tPZL tPLZ

50% VCC

tPZH tPHZ

50% VCC

Figure 2.

VCC

50%

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

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.

INPUT EQUIVALENT CIRCUIT

INPUT

http://onsemi.com

4

Share Link: