74LVQ244SC datasheet(4/6 Pages) FAIRCHILD

No de pièce	74LVQ244SC

Description	Low Voltage Octal Buffer/Line Driver with 3-STATE Outputs

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Fabricant	FAIRCHILD [Fairchild Semiconductor]

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AC Electrical Characteristics

Symbol

Parameter

VCC

(V)

TA = +25˚C

CL = 50 pF

TA = −40˚C to +85˚C

CL = 50 pF

Units

Min

Typ

Max

Min

Max

tPHL

Propagation Delay

2.7

2.0

8.4

12.7

2.0

14.0

ns

tPLH

Data to Output

3.3 ±0.3

2.0

7.0

9.0

2.0

9.5

tPZL

Output Enable Time

2.7

2.5

9.6

16.9

2.5

18.0

ns

tPZH

3.3 ±0.3

2.5

8.0

12.0

2.5

12.5

tPHZ

Output Disable Time

2.7

1.0

10.8

19.0

1.0

20.0

ns

tPLZ

3.3 ±0.3

1.0

9.0

13.5

1.0

14.0

tOSHL

Output to Output

2.7

1.0

1.5

ns

tOSLH

Skew Data to Output (Note 9)

3.3 ±0.3

1.0

1.5

Note 9: Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device. The speci-

fication applies to any outputs switching in the same direction, either HIGH to LOW (tOSHL) or LOW to HIGH (tOSLH). Parameter guaranteed by design.

Capacitance

Symbol

Parameter

Typ

Units

Conditions

CIN

Input Capacitance

4.5

pF

VCC = Open

CPD (Note 10)

Power Dissipation Capacitance

70

pF

VCC = 3.3V

Note 10: CPD is measured at 10 MHz.

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