54AC251F datasheet(6/10 Pages) NSC

Numer części	54AC251F

Szczegółowy opis	8-Input Multiplexer with TRI-STATE Output

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Producent	NSC [National Semiconductor (TI)]

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AC Electrical Characteristics

54AC

V

CC

T

A = −55˚C

Symbol

Parameter

(V)

to +125˚C

Units

(Note 8)

C

L = 50 pF

Min

Max

t

PLH

Propagation Delay

3.3

1.0

21.0

ns

S

n toZorZ

5.0

1.0

15.5

t

PHL

Propagation Delay

3.3

1.0

21.0

ns

S

n toZorZ

5.0

1.0

15.5

t

PLH

Propagation Delay

3.3

1.0

17.0

ns

I

n toZorZ

5.0

1.0

12.0

t

PHL

Propagation Delay

3.3

1.0

16.5

ns

I

n toZorZ

5.0

1.0

12.0

t

PZH

Output Enable Time

3.3

1.0

13.0

ns

OE toZorZ

5.0

1.0

10.0

t

PZL

Output Enable Time

3.3

1.0

13.0

ns

OE toZorZ

5.0

1.0

10.0

t

PHZ

Output Disable Time

3.3

3.5

14.0

ns

OE toZorZ

5.0

2.5

11.0

t

PLZ

Output Disable Time

3.3

4.0

13.0

ns

OE toZorZ

5.0

3.0

10.0

Note 8: Voltage Range 3.3 is 3.3V ±0.3V

Voltage Range 5.0 is 5.0V ±0.5V

AC Electrical Characteristics

54ACT

V

CC

T

A = −55˚C

Symbol

Parameter

(V)

to +125˚C

Units

(Note 9)

C

L = 50 pF

Min

Max

t

PLH

Propagation Delay

5.0

1.0

18.0

ns

S

n toZorZ

t

PHL

Propagation Delay

5.0

1.0

18.0

ns

S

n toZorZ

t

PLH

Propagation Delay

5.0

1.0

13.5

ns

I

n toZorZ

t

PHL

Propagation Delay

5.0

1.0

13.5

ns

I

n toZorZ

t

PZH

Output Enable Time

5.0

1.0

10.0

ns

OE toZorZ

t

PZL

Output Enable Time

5.0

1.0

9.5

ns

OE toZorZ

t

PHZ

Output Disable Time

5.0

1.0

12.5

ns

OE toZorZ

t

PLZ

Output Disable Time

5.0

1.0

8.5

ns

OE toZorZ

Note 9: Voltage Range 5.0 is 5.0V ±0.5V

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Podobny numer części - 54AC251F

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National Semiconductor ...	54AC251FMQB	33Kb / 7P	8-Input Multiplexer With TRI-STATE Outputs

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Podobny opis - 54AC251F

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