Philips Semiconductors

Product specification

74LVC273

Octal D-type flip-flop with reset; positive-edge trigger

1998 May 20

3

LOGIC SYMBOL

3

4

7

8

13

14

17

18

2

5

6

9

12

15

16

19

11

CP

MR

D0

D1

D2

D3

D4

D5

D6

D7

Q0

Q1

Q2

Q3

Q4

Q5

Q6

Q7

1

SY00052

IEEE/IEC LOGIC SYMBOL

4

7

8

13

14

17

18

C1

R

1D

11

1

3

5

2

6

9

12

15

16

19

CP

MR

D0

D1

D2

D3

D4

D5

D6

Q0

Q1

Q2

Q3

Q4

Q5

Q6

Q7

D7

SY00050

FUNCTION TABLE

OPERATING

INPUTS

OUTPUT

MODES

MR

CP

Dn

Q0 – Q7

Reset (clear)

L

X

X

L

Load ‘1’

H

°

h

H

Load ‘0’

H

°

I

L

H = HIGH voltage level

h

= HIGH voltage level one set-up time prior to the

HIGH-to-LOW CP transition

L

= LOW voltage level

I

= LOW voltage level one set-up time prior to the

HIGH-to-LOW CP transition

° = LOW-to-HIGH transition

X = Don’t care

RECOMMENDED OPERATING CONDITIONS

SYMBOL

PARAMETER

CONDITIONS

LIMITS

UNIT

SYMBOL

PARAMETER

CONDITIONS

MIN

MAX

UNIT

DC supply voltage (for max. speed performance)

2.7

3.6

V

DC supply voltage (for low-voltage applications)

1.2

3.6

V

DC Input voltage range

0

5.5

V

DC Input voltage range for I/Os

0

V

DC output voltage range

0

V

Operating free-air temperature range

–40

+85

°C

Input rise and fall times

0

0

20

10

ns/V