PI90LV050 Просмотр технического описания (PDF) - Pericom Semiconductor Corporation

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PI90LV050

3.3V LVDS High-Speed Differential Line Drivers and Receivers

Pericom Semiconductor Corporation 

PI90LV179/PI90LV180/

PI90LV050/PI90LV051

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Receiver Electrical Characteristics (over recommended operating conditions unless otherwise noted).

Parameter

Test Conditions

Min. Typ.

VITH+

VITH–

VOH

VOL

Positive-going differential input voltage threshold

Negative-going differential input voltage threshold

High-level output voltage

Low-level output voltage

II

Input current (RIN+ or RIN–)

II (OFF)

IH

IL

IOZ

CI

Power-off input current (RIN+ or RIN–)

High-level input current (enables)

Low-level input current (enables)

High-impedance output current

Input capacitance

†All typical values are at 25°C with a 3.3V supply

See Figures 5 & Table 1

IOH = –8mA

IOL = 8mA

VI = 0

VI = 2.4V

VCC = 0

VIH = 2V

VIL = 0.8V

VO = 0 or 5V

–50

2.4

–2

–11

–1.2 –3

5

Max. Units

50

mV

V

0.4 V

–20

±20

µA

±10

±10

±10

pF

Driver Switching Characteristics (over recommended operating conditions unless otherwise noted).

Parameter

Test Conditions Min. Typ.† Max. Units

tPLH

Propagation delay time, low-to-high-level output

1.9 2.5

tPHL

tr

tf

tsk(p)

tsk(o)

tsk(pp)

tPZH

tPZL

tPHZ

tPLZ

Propagation delay time, lhigh-to-low-level output

Differential output signal rise time

Differential output signal fall time

Pulse skew (tPHL – tPLH)

Channel-to-channel output skew‡

Part-part-part skew**

Propagation delay time, high-impedance-to-high-level output

Propagation delay time, high-impedance-to-low-level output

Propagation delay time, high-level-to-high-impedance output

Propagation delay time, low-level-to-high-impedance output

RL = 100 ohms

CL = 10pF

See Figure 2

See Figure 7

1.9 2.4

ns

1

1.3

1

1.3

200

ps

80 170

0.9

3.4

5

2.5

5

ns

3

5

3.2

5

†All typical values are at 25°C with a 3.3V supply.

‡tsk(o): maximum delay time difference between drivers on the same device.

**tsk(pp): magnitude of difference in propagation delay times between any specific terminals of two devices (all things being equal).

4

PS8539

05/01/01

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