MC74HC174A_ 查看數據表（PDF） - Motorola => Freescale

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MC74HC174A_

Hex D Flip−Flop with Common Clock and Reset with LSTTL Compatible Inputs

Motorola => Freescale 

MC74HCT174A

CLOCK

tr

tf

2.7 V

1.3 V

0.3 V

tw

1/fmax

tPLH

tPHL

90%

Q 1.3 V

10%

tTLH

tTHL

Figure 1.

SWITCHING WAVEFORMS

VCC

tw

3.0 V

GND

RESET

1.3 V

GND

tPHL

Q

1.3 V

CLOCK

trec

3.0 V

1.3 V

GND

Figure 2.

VALID

3.0 V

DATA

1.3 V

GND

tsu

th

3.0 V

CLOCK

1.3 V

GND

Figure 3.

DEVICE

UNDER

TEST

TEST POINT

OUTPUT

CL*

* Includes all probe and jig capacitance

Figure 4. Test Circuit

EXPANDED LOGIC DIAGRAM

CLOCK 9

D0 3

RESET 1

D1 4

C

Q

D

R

C

Q

D

R

2 Q0

5 Q1

D2 6

C

Q

D

R

7 Q2

D3 11

C

Q

D

R

10 Q3

D4 13

C

Q

D

R

12 Q4

D5 14

C

Q

D

R

15 Q5

MOTOROLA

4

High–Speed CMOS Logic Data

DL129 — Rev 6

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