74VHC541MTR datasheet(4/12 Pages) STMICROELECTRONICS

部件名	74VHC541MTR

功能描述	OCTAL BUS BUFFER WITH 3 STATE OUTPUTS (NON INVERTED)

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制造商	STMICROELECTRONICS [STMicroelectronics]

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74VHC541

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Table 7: AC Electrical Characteristics (Input tr = tf = 3ns)

(*) Voltage range is 3.3V

± 0.3V

(**) Voltage range is 5.0V

± 0.5V

Note 1: Parameter guaranteed by design. tsoLH = |tpLHm - tpLHn|, tsoHL = |tpHLm - tpHLn|

Table 8: Capacitive Characteristics

1) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without

load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. ICC(opr) = CPD x VCC x fIN + ICC/8 (per

Circuit)

Symbol

Parameter

Test Condition

Value

Unit

VCC

(V)

CL

(pF)

TA = 25°C

-40 to 85°C

-55 to 125°C

Min.

Typ.

Max.

Min.

Max.

Min.

Max.

tPLH

tPHL

Propagation Delay

Time

3.3(*)

15

5.0

7.0

1.0

8.5

1.0

8.5

ns

3.3(*)

50

7.5

10.5

1.0

12.0

1.0

12.0

5.0(**)

15

3.5

5.0

1.0

6.0

1.0

6.0

5.0(**)

50

5.0

7.0

1.0

8.0

1.0

8.0

tPZL

tPZH

Output Enable

Time

3.3(*)

15

RL = 1KΩ

6.8

10.5

1.0

12.5

1.0

12.5

ns

3.3(*)

50

RL = 1KΩ

9.3

14.0

1.0

16.0

1.0

16.0

5.0(**)

15

RL = 1KΩ

4.7

7.2

1.0

8.5

1.0

8.5

5.0(**)

50

RL = 1KΩ

6.2

9.2

1.0

10.5

1.0

10.5

tPLZ

tPHZ

Output Disable

Time

3.3(*)

50

RL = 1KΩ

11.2

15.4

1.0

17.5

1.0

17.5

ns

5.0(**)

50

RL = 1KΩ

6.0

8.8

1.0

10.0

1.0

10.0

tOSLH

tOSHL

Output to Output

Skew time (note 1)

3.3(*)

50

1.5

ns

5.0(**)

50

1.0

Symbol

Parameter

Test Condition

Value

Unit

TA = 25°C

-40 to 85°C

-55 to 125°C

Min.

Typ.

Max.

Min.

Max.

Min.

Max.

CIN

Input Capacitance

710

10

pF

COUT

Output

Capacitance

9pF

CPD

Power Dissipation

Capacitance

(note 1)

18

pF

类似零件编号 - 74VHC541MTR

制造商	部件名	数据表	功能描述
Fairchild Semiconductor	74VHC541MTC	83Kb / 7P	Octal Buffer/Line Driver with 3-STATE Outputs
National Semiconductor ...	74VHC541MTC	146Kb / 8P	Octal Buffer/Line Driver with TRI-STATE Outputs
ON Semiconductor	74VHC541MTC	203Kb / 9P	Octal Buffer/Line Driver Revised May 2005
National Semiconductor ...	74VHC541MTCX	146Kb / 8P	Octal Buffer/Line Driver with TRI-STATE Outputs

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