Microchip SY58608U Handleiding

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 2018 Microchip Technology Inc.DS20005605A-page 1

SY58608U

Features

•Precision 1:2 LVDS Fanout Buffer

•Guaranteed AC Performance Over Temperature

and Voltage:

-DC-to > 3.2Gbps Throughput

-<300ps Propagation Delay (IN-to-Q)

-<20ps Within-Device Skew

-<100ps Rise/Fall Times

•Fail Safe Input

-Prevents Outputs From Oscillating When

Input Is Invalid

•Ultra-Low Jitter Design

-130fs

RMS

Typical Additive Phase Jitter

-High-Speed LVDS Outputs

•2.5V ±5% Power Supply Operation

•Industrial Temperature Range: –40°C to +85°C

•Available In 16-pin (3mm x 3mm) QFN Package

Applications

•All SONET Clock And Data Distribution

•Fibre Channel Clock And Data Distribution

•Gigabit Ethernet Clock And Data Distribution

•Backplane Distribution

Markets

•DataCom

•Telecom

•Storage

•ATE

•Test and Measurement

General Description

The SY58608U is a 2.5V, high-speed, fully differential

1:2 LVDS fanout buffer optimized to provide two

identical output copies with less than 20ps of skew and

130fs

RMS

typical additive phase jitter. The SY58608U

can process clock signals as fast as 2GHz or data

patterns up to 3.2Gbps.

The differential input includes Microchip’s unique, 3-pin

input termination architecture that interfaces to

LVPECL, LVDS or CML differential signals, (AC- or

DC-coupled) as small as 100mV (200mV

PP

) without

any level-shifting or termination resistor networks in the

signal path. For AC-coupled input interface

applications, an integrated voltage reference (V

REF-AC

)

is provided to bias the V

T

pin. The outputs are 325mV

LVDS, with rise/fall times guaranteed to be less than

100ps.

The SY58608U operates from a 2.5V ±5% supply and

is guaranteed over the full industrial temperature range

(–40°C to +85°C). The SY58608U is part of Microchip’s

high-speed, Precision Edge

®

product line.

Package Type

SY58608U

3x3 QFN-16

Top View

13141516

12

11

10

9

1

2

3

4

8765

IN

VT

VREF-AC

/IN

Q0

/Q0

Q1

/Q1

VCC

GND

GND

VCC

VCC

GND

GND

VCC

3.2Gbps Precision, 1:2 LVDS Fanout Buffer with Internal Termination and

Fail Safe Input

Product specificaties