74VCX162244 datasheet(6/11 Pages) STMICROELECTRONICS | LOW VOLTAGE CMOS 16-BIT BUS BUFFER (3-STATE)WITH 3.6V TOLERANT INPUTS AND OUTPUTS

6 page

74VCX162244

6/11

DYNAMIC SWITCHING CHARACTERISTICS (Ta = 25°C, Input tr =tf = 2.0ns, CL = 30pF, RL = 500Ω)

1) Number of outputs 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.

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

measured in the HIGH state.

3) Parameters guaranteed by design.

AC ELECTRICAL CHARACTERISTICS (CL = 30pF, RL = 500Ω, Input tr =tf = 2.0ns)

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

Symbol

Parameter

Test Condition

Value

Unit

VCC

(V)

TA =25°C

Min.

Typ.

Max.

VOLP

Dynamic Low Voltage Quiet

Output (note 1, 3)

1.8

VIL =0V

VIH =VCC

0.15

2.5

0.25

3.3

0.35

VOLV

Dynamic Low Voltage Quiet

Output (note 1, 3)

1.8

VIL =0V

VIH =VCC

-0.15

2.5

-0.25

3.3

-0.35

VOHV

Dynamic High Voltage Quiet

Output (note 2, 3)

1.8

VIL =0V

VIH =VCC

1.55

2.5

2.05

3.3

2.65

Symbol

Parameter

Test Condition

Value

Unit

VCC

(V)

-40 to 85 °C

-55 to 125 °C

Min.

Max.

Min.

Max.

tPLH tPHL

Propagation Delay

Time

1.8

1.5

5.7

1.5

6.2

2.3 to 2.7

1.0

3.8

1.0

4.3

3.0 to 3.6

0.8

3.4

0.8

4.0

tPZL tPZH

Output Enable Time

1.8

1.5

6.7

1.5

7.3

2.3 to 2.7

1.0

5.1

1.0

5.8

3.0 to 3.6

0.8

3.8

0.8

4.3

tPLZ tPHZ

Output Disable Time

1.8

1.5

5.0

1.5

5.9

2.3 to 2.7

1.0

4.0

1.0

4.7

3.0 to 3.6

0.8

3.6

0.8

4.2

tOSLH tOSHL Output To Output

Skew Time (note1, 2)

1.8

0.5

2.3 to 2.7

0.5

3.0 to 3.6

0.5

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