MC74VHCT573A Просмотр технического описания (PDF) - ON Semiconductor

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MC74VHCT573A

Octal D−Type Latch with 3−State Output

ON Semiconductor 

MC74VHCT573A

DEVICE

UNDER

TEST

TEST POINT

OUTPUT

CL*

*Includes all probe and jig capacitance

Figure 7. Test Circuit

DEVICE

UNDER

TEST

TEST POINT

OUTPUT

1 kW

CL*

CONNECT TO VCC WHEN

TESTING tPLZ AND tPZL.

CONNECT TO GND WHEN

TESTING tPHZ AND tPZH.

*Includes all probe and jig capacitance

Figure 8. Test Circuit

2

D0

3

D1

4

D2

5

D3

6

D4

7

D5

8

D6

9

D7

11

LE

1

OE

D

Q

LE

D

Q

LE

D

Q

LE

D

Q

LE

D

Q

LE

D

Q

LE

D

Q

LE

D

Q

LE

19

Q0

18

Q1

17

Q2

16

Q3

15

Q4

14

Q5

13

Q6

12

Q7

Figure 9. Expanded Logic Diagram

http://onsemi.com

5

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