pi90lv048a Pericom Semiconductor Corporation, pi90lv048a Datasheet

pi90lv048a

Manufacturer Part Number

pi90lv048a

Description

3v Lvds Quad Flow-through Differential Line Receivers

Manufacturer

Pericom Semiconductor Corporation

Datasheet

1.PI90LV048A.pdf (7 pages)

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1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2

Features

• 500 Mbps (250 MHz) switching rates

• Flow-through pinout simplifies PCB layout

• 150ps channel-to-channel skew (typical)

• 100ps differential skew (typical)

• 2.7ns maximum propagation delay

• 3.3V power supply design

• High impedance LVDS inputs on power down

• Low Power design (40mW, 3.3V static)

• Wide common-mode input voltage range: 0.2V to 2.7V

• Accepts small swing (350mV typical) differential signal levels

• Supports open, short and terminated input fail-safe

• Low-power state when in fail-safe

• Conforms to ANSI/TIA/EIA-644 Standard

• Industrial temperature operating range (–40°C to +85°C)

• Packaging (Pb-free & Green available):

Block Diagram

Truth Table

l A

- 16-pin SOIC (W)

- 16-pin TSSOP (L)

o l

h t

r e

o c

PI90LVT048A

4 Places

i b

Only

a n

o i t

IN1+

IN2+

IN3+

IN4+

s n

IN1–

IN2–

IN3–

IN4–

f o

a n

100

l b

s e

n i

r o

u p

s t

n e

OUT1

OUT2

OUT3

OUT4

l l u

a f

Description

The PI90LV048A/PI90LVT048A quad flow-through differential line

receivers are designed for applications requiring ultra low-power

dissipation and high data rates. The device is designed to support

data rates in excess of 500 Mbps (250 MHz) using Low Voltage

Differential Signaling (LVDS) technology.

The devices accept low-voltage (350 mV typical) differential input

signals and translates them to 3V CMOS output levels. The receiver

supports a 3-state function, which may be used to multiplex outputs,

and also supports open, shorted and terminated (100-ohms) input fail-

safe. The receiver output will be HIGH for all fail-safe conditions.

PI90LVT048A features integrated parallel termination resistors

(nominally 110-ohms) that eliminate the requirement for four dis-

crete termination resistors and reduce stud length. PI90LV048A

inputs are high impedance and require an external termination

resistor when used in a point-to-point connection. The devices

have a flow-through pinout for easy PCB layout.

The EN and EN inputs are ANDed together and control the 3-state

outputs. The enables are common to all four receivers. The

PI90LV048A and companion LVDS line driver (eg. PI90LV047A)

provide a new alternative to high-power PECL/ECL devices for

high-speed point-to-point interface applications.

Pin Configuration

- l i

a s

e f

D I

N I

D I

n I

S /

IN1–

IN1+

IN2+

IN2–

IN3–

IN3+

IN4+

IN4–

–

0 –

s t

1 .

PI90LV048A/PI90LVT048A

1 .

N I

3V LVDS Quad Flow-Through

–

r o

Differential Line Receivers

r e t

n i

t a

d e

GND

OUT1

OUT2

OUT3

OUT4

PS8608A

p t

s t

10/04/04

Related parts for pi90lv048a

pi90lv048a Summary of contents

Page 1

... PCB layout. The EN and EN inputs are ANDed together and control the 3-state outputs. The enables are common to all four receivers. The PI90LV048A and companion LVDS line driver (eg. PI90LV047A) provide a new alternative to high-power PECL/ECL devices for R high-speed point-to-point interface applications. ...

Page 2

... PI90LV048A/PI90LVT048A 3V LVDS Quad Flow-Through Differential Line Receivers (10) Min ) +3.0 CC GND ) – – – ...

Page 3

... V IN– IN– IN <1ns (0% to 100%), 50% duty cycle, differential (1.05V to 1.35V peak to peak (max 0.4V), V (min 2.7V), Load = 15pF (stray plus probes PI90LV048A/PI90LVT048A 3V LVDS Quad Flow-Through Differential Line Receivers (2, ...

Page 4

... R IN– Receiver Enabled V = 200mV 0V Differential ID t PLHD 80% 1.5V V DIFF = D – D OUT+ 20% t TLH R IN+ R IN– 1/4 PI90LV048A Figure 3. Receiver 3-State Delay Test Circuit 4 PI90LV048A/PI90LVT048A 3V LVDS Quad Flow-Through Differential Line Receivers R OUT C L +1.3V 1.2V +1.1V t PHLD V OH 80% 1.5V OUT– 20 ...

Page 5

... Output When V = +100mV ID Typical Application 1/4 PI90LV047A 1.5V 1.5V t PLZ 0.5V t PHZ 0.5V Figure 4. Receiver 3-State Delay Waveforms Enable Data Input RT 100 Figure 5. Point-to-Point Application 5 PI90LV048A/PI90LVT048A 3V LVDS Quad Flow-Through Differential Line Receivers 1.5V 1.5V t PZL 50% t PZH 50% 1/4 PI90LV048A + Data Output – PS8608A GND 10/04/04 ...

Page 6

... X.XX DENOTES DIMENSIONS 0.508 X.XX IN MILLIMETERS .169 4.3 .177 4.5 4.9 .047 5.1 max. 1.20 SEATING PLANE .002 0.05 .006 0.15 .007 .012 0.19 0.30 6 PI90LV048A/PI90LVT048A 3V LVDS Quad Flow-Through Differential Line Receivers 0.25 .0099 x 45˚ 0.50 .0196 0.19 .0075 0.25 .0098 0.41 .016 1.27 .050 .2284 .2440 5.80 6.20 0.45 .018 0.75 .030 .252 BSC 6.4 X.XX DENOTES CONTROLLING X ...

Page 7

... Pericom Semiconductor Corporation • 1-800-435-2336 • www.pericom.com Package Code W 16-pin SOIC W Pb-free & Green, 16-pin SOIC L 16-pin TSSOP L Pb-free & Green, 16-pin TSSOP W 16-pin SOIC W Pb-free & Green, 16-pin SOIC L 16-pin TSSOP L Pb-free & Green, 16-pin TSSOP 7 PI90LV048A/PI90LVT048A 3V LVDS Quad Flow-Through Differential Line Receivers Package Type PS8608A 10/04/04 ...

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