Rainbow-electronics DS92LV040A Manual de usuario descargar pdf (Pagina 3)

DC Electrical Characteristics (Continued)

Over recommended operating supply voltage and temperature ranges unless otherwise specified (Notes 2, 4)

Symbol Parameter Conditions Pin Min Typ Max Units

Minimum Input High

Voltage

, DE,

2.0 V

Maximum Input Low

Voltage

GND 0.8 V

Input High Current V

or 2.4V −20

2.5 +20 µA

Input Low Current V

= GND or 0.4V −20

2.5 +20 µA

Input Diode Clamp

Voltage

CLAMP

= −18 mA

−1.5 −0.8 V

CCD

Power Supply Current

Drivers Enabled,

Receivers Disabled

No Load, DE = RE = V

DIN=V

or GND

20 40 mA

CCR

Power Supply Current

Drivers Disabled,

Receivers Enabled

DE=RE=0V,V

300mV

27 40 mA

CCZ

Power Supply Current,

Drivers and Receivers

TRI-STATE

DE = 0V; RE = V

DIN=V

or GND 28 40 mA

Power Supply Current,

Drivers and Receivers

Enabled

DE=V

;RE=0V,

DIN=V

or GND,

=27Ω

70 100 mA

OFF

Power Off Leakage

Current

= 0V or OPEN,

, DE, RE = 0V or OPEN,

APPLIED

= 3.6V (Port Pins)

DO+/RI+,

DO−/RI− −20 +20 µA

OUTPUT

Capacitance

Bus Pins DO+/RI+,

DO−/RI−

5pF

OUTPUT

Capacitance

OUT

5pF

AC Electrical Characteristics

Over recommended operating supply voltage and temperature ranges unless otherwise specified (Note 7)

Symbol Parameter Conditions Min Typ Max Units

DIFFERENTIAL DRIVER TIMING REQUIREMENTS

PHLD

Differential Prop. Delay High to Low (Note 9) R

=27Ω,

Figures 2, 3,

=10pF

1.0 1.5 2.3 ns

PLHD

Differential Prop. Delay Low to High (Note 9) 1.0 1.5 2.3 ns

SKD1

Differential Skew |t

PHLD

–t

PLHD

| (duty cycle)(Note 10),

(Note 9)

80 160 ps

CCSK

Channel to Channel Skew (all 4 channels), (Note 9) 220 400 ps

TLH

Transition Time Low to High (20% to 80%) 0.4 0.75 1.3 ns

THL

Transition Time High to Low (80% to 20%) 0.4 0.75 1.3 ns

PHZ

Disable Time High to Z R

=27Ω,

Figures 4, 5,

=10pF

5.0 10 ns

PLZ

Disable Time Low to Z 5.0 10 ns

PZH

Enable Time Z to High 5.0 10 ns

PZL

Enable Time Z to Low 5.0 10 ns

MAXD

Guaranteed operation per data sheet up to the Min.

Duty Cycle 45/55%,Transition time ≤ 25% of period

(Note 9)

85 125 MHz

DS92LV040A

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Rainbow-electronics DS92LV040A Manual de usuario Pagina 3

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