MC74VHC574ML1 查看數據表（PDF） - ON Semiconductor

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MC74VHC574ML1

Octal D−Type Flip−Flop with 3−State Output

ON Semiconductor 

D0 2

D1 3

D2 4

D3 5

D4 6

D5 7

D6 8

D7 9

CP 11

OE 1

C

Q

D

C

DQ

C

Q

D

C

Q

D

CQ

D

C

Q

D

C

Q

D

C

Q

D

19 Q0

18 Q1

17 Q2

16 Q3

15 Q4

14 Q5

13 Q6

12 Q7

Figure 6. Expanded Logic Diagram

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

INPUT

Figure 7. Test Circuit

Figure 8. INPUT EQUIVALENT CIRCUIT

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