54FCT573LMQB datasheet(4/7 Pages) NSC

部件名	54FCT573LMQB

功能描述	Octal D-Type Latch with TRI-STATE Outputs

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制造商	NSC [National Semiconductor (TI)]

网页	http://www.national.com

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4 / 7 page

AC Electrical Characteristics

Symbol

Parameter

54FCT

Units

Fig.

No.

T

A = −55˚C to +125˚C

V

CC = 4.5V to 5.5V

C

L = 50 pF

Min

Max

t

PLH

Propagation Delay

1.0

8.5

ns

Figure 4

t

PHL

D

n to On

1.0

8.5

t

PLH

Propagation Delay

1.0

15.0

ns

Figure 4

t

PHL

LE to O

n

1.0

15.0

t

PZH

Output Enable Time

1.0

13.5

ns

Figure 6

t

PZL

1.0

13.5

t

PHZ

Output Disable Time

1.0

10.0

ns

Figure 6

t

PLZ

Time

1.0

10.0

AC Operating Requirements

Symbol

Parameter

54FCT

Units

Fig.

No.

T

A = −55˚C to +125˚C

V

CC = 4.5V to 5.5V

C

L = 50 pF

Min

Max

t

s(H)

Set Time, HIGH

2.0

ns

Figure 7

t

s(L)

or LOW D

n to LE

2.0

t

h(H)

Hold Time, HIGH

1.5

ns

Figure 7

t

h(L)

or LOW D

n to LE

1.5

t

w(H)

Pulse Width,

6.0

ns

Figure 5

LE HIGH

Capacitance

Symbol

Parameter

Max

Units

Conditions

(T

A = 25˚C)

C

IN

Input Capacitance

10

pF

V

CC = 0V

C

OUT (Note 3)

Output Capacitance

12

pF

V

CC = 5.0V

Note 3: COUT is measured at frequency f = 1 MHz per MIL-STD-883B, Method 3012.

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