74LVC125AM datasheet(4/9 Pages) STMICROELECTRONICS

部件名	74LVC125AM

功能描述	LOW VOLTAGE CMOS QUAD BUS BUFFERS (3-STATE) HIGH PERFORMANCE

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制造商	STMICROELECTRONICS [STMicroelectronics]

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74LVC125A

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DYNAMIC SWITCHING CHARACTERISTICS

1) Number of output defined as ”n”. Measured with ”n-1” outputs switching from HIGH to LOW or LOW to HIGH. The remaining output is

measured in the LOW state.

AC ELECTRICAL CHARACTERISTICS

1) Skew is defined as the absolute value of the difference between the actual propagation delay for any two outputs of the same device switch-

ing in the same direction, either HIGH or LOW (tOSLH =| tPLHm -tPLHn|, tOSHL =| tPHLm -tPHLn|

2) Parameter guaranteed by design

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 xVCC xfIN +ICC/n (per circuit)

Symbol

Parameter

Test Condition

Value

Unit

VCC

(V)

TA =25 °C

Min.

Typ.

Max.

VOLP

Dynamic Low Level Quiet

Output (note 1)

3.3

CL = 50pF

VIL =0V, VIH = 3.3V

0.8

V

VOLV

-0.8

Symbol

Parameter

Test Conditio n

Value

Unit

VCC

(V)

CL

(pF)

RL

(

Ω)

ts = tr

(ns)

-40 to 85

°C

-55 to 125

°C

Min.

Max.

Min.

Max.

tPLH tPHL Propagation Delay

Time

1.65 to 1.95

30

1000

2.0

9.0

12

ns

2.3 to 2.7

30

500

2.0

6.3

8.5

2.7

50

500

2.5

1.5

5.5

6.5

3.0 to 3.6

50

500

2.5

1

4.8

5.8

tPZL tPZH

Output Enable Time

1.65 to 1.95

30

1000

2.0

9.9

13

ns

2.3 to 2.7

30

500

2.0

7.4

9.6

2.7

50

500

2.5

1

6.6

7.9

3.0 to 3.6

50

500

2.5

1

5.4

6.5

tPLZ tPHZ

Output Disable Time 1.65 to 1.95

30

1000

2.0

11

14

ns

2.3 to 2.7

30

500

2.0

5.6

7.3

2.7

50

500

2.5

2

5.0

6.0

3.0 to 3.6

50

500

2.5

2

4.6

5.5

tOSLH

tOSHL

Output To Output

Skew Time (note1,

2)

2.7 to 3.6

1

ns

Symbol

Parameter

Test Condition

Value

Unit

VCC

(V)

TA =25 °C

Min.

Typ.

Max.

CIN

Input Capacitance

4pF

CPD

Power Dissipation Capacitance

(note 1)

1.8

fIN = 10MHz

28

pF

2.5

30

3.3

34

类似零件编号 - 74LVC125AM

制造商	部件名	数据表	功能描述
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74LVC125AM 数据表(PDF) 4 Page - STMicroelectronics

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类似零件编号 - 74LVC125AM

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类似零件编号 - 74LVC125AM

类似说明 - 74LVC125AM

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