54AC299 datasheet(6/10 Pages) NSC

Numer części	54AC299

Szczegółowy opis	8-Input Universal Shift/Storage Register with Common Parallel I/O Pins

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DC Electrical Characteristics (Continued)

Note 6: ICC limit for 54ACT @ 25˚C is identical to 74ACT @ 25˚C.

Note 7: All outputs loaded; thresholds on input associated with output under test.

Note 8: Maximum test duration 2.0 ms, one output loaded at a time.

Capacitance

Symbol

Parameter

Typ

Units

Conditions

C

IN

Input Capacitance

4.5

pF

V

CC = 5.0V

C

PD

Power Dissipation

170

pF

V

CC = 5.5V

Capacitance

AC Electrical Characteristics

54AC

V

CC

T

A = −55˚C

Fig.

Symbol

Parameter

(V)

to +125˚C

Units

No.

(Note 9)

C

L = 50 pF

Min

Max

f

max

Maximum Input

3.3

70

MHz

Frequency

5.0

80

t

PLH

Propagation Delay

3.3

1.0

25.5

CP to Q

0 or Q7

5.0

1.0

17.5

ns

(Shift Left or Right)

t

PHL

Propagation Delay

3.3

1.0

26.5

CP to Q

0 or Q7

5.0

1.0

18.0

ns

(Shift Left or Right)

t

PLH

Propagation Delay

3.3

1.0

24.5

ns

CP to I/O

n

5.0

1.0

17.0

t

PHL

Propagation Delay

3.3

1.0

26.5

ns

CP to I/O

n

5.0

1.0

18.5

t

PHL

Propagation Delay

3.3

1.0

27.0

ns

MR to Q

0 or Q7

5.0

1.0

18.5

t

PHL

Propagation Delay

3.3

1.0

26.5

ns

MR to I/O

n

5.0

1.0

18.0

t

PZH

Output Enable Time

3.3

1.0

22.0

ns

OE to I/O

n

5.0

1.0

15.0

t

PZL

Output Enable Time

3.3

1.0

23.5

ns

OE to I/O

n

5.0

1.0

16.0

t

PHZ

Output Disable Time

3.3

1.0

22.5

ns

OE to I/O

n

5.0

1.0

17.0

t

PLZ

Output Disable Time

3.3

1.0

21.5

ns

OE to I/O

n

5.0

1.0

16.0

Note 9: Voltage Range 3.3 is 3.3V ±0.3V.

Voltage Range 5.0 is 5.0V ±0.5V.

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