74LCXH16245 datasheet(5/10 Pages) STMICROELECTRONICS

No. de pieza	74LCXH16245

Descripción Electrónicos	LOW VOLTAGE CMOS 16-BIT BUS TRANSCEIVER WITH 5V TOLERANT INPUTS AND OUTPUT (3-STATE)

PDF	10 Pages

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Fabricante Electrónico	STMICROELECTRONICS [STMicroelectronics]

Página de inicio	http://www.st.com

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5 / 10 page

74LCXH16245

5/10

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/16 (per

circuit)

Symbol

Parameter

Test Condition

Value

Unit

VCC

(V)

(pF)

(

Ω)

ts = tr

(ns)

-40 to 85 °C

-55 to 125 °C

Min.

Max.

Min.

Max.

tPLH tPHL

Propagation Delay

Time

2.7

500

2.5

1.5

5.2

1.5

6.0

3.0 to 3.6

1.5

4.5

1.5

5.3

tPZL tPZH

Output Enable Time

2.7

500

2.5

1.5

7.2

1.5

8.3

3.0 to 3.6

1.5

6.5

1.5

7.3

tPLZ tPHZ

Output Disable Time

2.7

500

2.5

1.5

6.9

1.5

7.5

3.0 to 3.6

1.5

6.4

1.5

7.2

tOSLH

tOSHL

Output To Output

Skew Time (note1,

3.0 to 3.6

500

2.5

1.0

Symbol

Parameter

Test Condition

Value

Unit

VCC

(V)

TA =25°C

Min.

Typ.

Max.

CIN

Input Capacitance

3.3

COUT

Output Capacitance

3.3

CPD

Power Dissipation Capacitance

(note 1)

3.3

fIN = 10MHz

VIN = 0 or VCC

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