74ALVCR162245 datasheet(5/11 Pages) STMICROELECTRONICS | LOW VOLTAGE CMOS 16-BIT TRANSCEIVER (3-STATE) WITH 3.6V TOLERANT INPUTS AND OUTPUTS

5 page

74ALVCR162245

5/11

Table 7: 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

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/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

1.65 to 1.95

500

2.0

8.6

2.3 to 2.7

500

2.0

4.3

2.7

500

2.5

4.8

3.0 to 3.6

500

2.5

3.9

tPZL tPZH Output Enable Time

1.65 to 1.95

500

2.0

9.8

2.3 to 2.7

500

2.0

5.7

2.7

500

2.5

6.2

3.0 to 3.6

500

2.5

4.7

tPLZ tPHZ Output Disable Time 1.65 to 1.95

500

2.0

8.6

2.3 to 2.7

500

2.0

4.8

2.7

500

2.5

5.3

3.0 to 3.6

500

2.5

4.6

Symbol

Parameter

Test Condition

Value

Unit

VCC

(V)

TA = 25 °C

Min.

Typ.

Max.

CIN

Input Capacitance Control

Inputs

3.3

VIN =VCC or GND

4pF

CI/O

Input Capacitance A or B ports

3.3

VIN =VCC or GND

8pF

CPD

Power Dissipation Capacitance

Output enabled (note 1)

3.3

fIN = 10MHz

CL=50pF

VIN = 0 or VCC

2.5

CPD

Power Dissipation Capacitance

Output disabled (note 1)

3.3

2.5

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