MC74VHC245(2001) Просмотр технического описания (PDF) - ON Semiconductor

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Компоненты Описание

производитель

MC74VHC245
(Rev.:2001)

Octal Bus Transceiver

ON Semiconductor 

A or B

tPLH

B or A

50%

50% VCC

Figure 3.

MC74VHC245

SWITCHING WAVEFORMS

VCC

GND

tPHL

DIR

OE

A or B

A or B

50%

50% VCC

tPZL

tPLZ

50% VCC

tPZH tPHZ

50% VCC

50% VCC

Figure 4.

VCC

GND

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.

*Includes all probe and jig capacitance

Figure 6.

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