74VCXH2245MTC datasheet(5/8 Pages) FAIRCHILD

No de pièce	74VCXH2245MTC

Description	Low Voltage Bidirectional Transceiver with Bushold and 26廓 Series Resistors in B Outputs

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Fabricant	FAIRCHILD [Fairchild Semiconductor]

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AC Electrical Characteristics (Note 10)

Note 10: For CL = 50 pF, add approximately 300 ps to the AC maximum specification.

Note 11: Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device. The

specification applies to any outputs switching in the same direction, either HIGH-to-LOW (tOSHL) or LOW-to-HIGH (tOSLH).

Dynamic Switching Characteristics

Capacitance

Symbol

Parameter

TA = −40°C to +85°C, CL = 30 pF, RL = 500Ω

Units

VCC = 3.3V ± 0.3V

VCC = 2.5V ± 0.2V

VCC = 1.8V ± 0.15V

Min

Max

Min

Max

Min

Max

tPHL

Propagation Delay,

0.6

4.4

0.8

5.6

1.5

9.8

ns

tPLH

A to B

tPHL

Propagation Delay,

0.6

3.5

0.8

4.2

1.5

8.4

ns

tPLH

B to A

tPZL

Output Enable Time,

0.6

5.0

0.8

6.6

1.5

9.8

ns

tPZH

A to B

tPZL

Output Enable Time,

0.6

4.5

0.8

5.6

1.5

9.8

ns

tPZH

B to A

tPLZ

Output Disable Time,

0.6

4.2

0.8

4.7

1.5

8.5

ns

tPHZ

A to B

tPLZ

Output Disable Time,

0.6

3.6

0.8

4.0

1.5

7.2

ns

tPHZ

B to A

tOSHL

Output to Output Skew

0.5

0.75

ns

tOSLH

(Note 11)

Symbol

Parameter

Conditions

VCC

(V)

TA = 25°C

Units

Typical

VOLP

Quiet Output Dynamic Peak VOL,CL = 30 pF, VIH = VCC, VIL = 0V

1.8

0.3

V

B to A

2.5

0.7

3.3

1.0

Quiet Output Dynamic Peak VOL,

CL = 30 pF, VIH = VCC, VIL = 0V

1.8

0.2

V

A to B

2.5

0.45

3.3

0.65

VOLV

Quiet Output Dynamic Valley VOL,

CL = 30 pF, VIH = VCC, V IL = 0V

1.8

−0.3

V

B to A

2.5

−0.7

3.3

−1.0

Quiet Output Dynamic Valley, VOL,CL = 30 pF, VIH = VCC, V IL = 0V

1.8

−0.2

V

A to B

2.5

−0.45

3.3

−0.65

VOHV

Quiet Output Dynamic Valley VOH,CL = 30 pF, VIH = VCC, V IL = 0V

1.8

1.3

V

B to A

2.5

1.7

3.3

2.0

Quiet Output Dynamic Valley VOH,CL = 30 pF, VIH = VCC, V IL = 0V

1.8

1.5

V

A to B

2.5

2.0

3.3

2.5

Symbol

Parameter

Conditions

TA = +25°C

Units

Typical

CIN

Input Capacitance

VI = 0V or VCC, VCC = 1.8V, 2.5V or 3.3V

6

pF

CI/O

Input/Output Capacitance

VI = 0V or VCC, VCC = 1.8V, 2.5V or 3.3V

7

pF

CPD

Power Dissipation Capacitance

VI = 0V or VCC, f = 10 MHz, VCC = 1.8V, 2.5V or 3.3V

20

pF

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