Datasheet

ManualsBrandsTEXAS INSTRUMENTS ManualsLogic ICsLogic IC - Flip-Flop Master rest Non-inverting SSOP 20

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SN54AHCT273, SN74AHCT273

OCTAL D-TYPE FLIP-FLOPS

WITH CLEAR

SCLS375E – JUNE 1997 – REVISED APRIL 2002

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POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

FUNCTION TABLE

(each flip-flop)

INPUTS

OUTPUT

CLR

CLK D

OUTPUT

Q

L X X L

H ↑ HH

H ↑ LL

H L X Q

0

logic diagram (positive logic)

CLK

1D

1Q

2D

2Q

3D

3Q

4D

4Q

5D

5Q

6D

6Q

7D

7Q

8D

8Q

CLR

1D

R

C1

1D

R

C1

1D

R

C1

1D

R

C1

1D

R

C1

1D

R

C1

1D

R

C1

1D

R

C1

3 4 7 8 13 14 17 18

2 5 6 9 12 15 16 19

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1

logic diagram, each flip-flop (positive logic)

CLK(I)

R

Q

C

C

D

C

C

C

C

C

C

TG

C

C

TG

TG

TG