853S9252BKILF datasheet(1/21 Pages) IDT

Part #	853S9252BKILF

Description	2.5V, 3.3V ECL/LVPECL Clock/Data Fanout Buffer

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Manufacturer	IDT [Integrated Device Technology]

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DATASHEET

2.5V, 3.3V ECL/LVPECL Clock/Data

Fanout Buffer

ICS853S9252I

ICS853S9252BKI JUNE 14, 2017

1

General Description

The ICS853S9252I is a 2.5V/3.3V ECL/LVPECL fanout buffer

designed for high-speed, low phase-noise wireless infrastructure

applications. The device fanouts a differential input signal to two

ECL/LVPECL outputs. Optimized for low additive phase-noise,

sub-100ps output rise and fall times, low output skew and

high-frequencies, the ICS853S9252I is an effective solution for

high-performance clock and data distribution applications, for

instance driving the reference clock inputs of ADC/DAC circuits.

Internal input termination, a bias voltage output (VREF) for

AC-coupling and small packaging (3.0mm x 3.0mm 16-lead VFQFN)

supports space-efficient board designs.

The ICS853S9252I operates from a full 2.5V or 3.3V power supply

and supports the industrial temperature range of -40°C to 85°C. The

extended temperature range also supports wireless infrastructure,

tele-communication and networking end equipment requirements.

Features

• 1:2 differential clock/data fanout buffer

• Clock frequency: 3GHz (maximum)

• Two differential 2.5V/3.3V ECL/LVPECL clock output

• Differential input accepts ECL/LVPECL, LVDS and CML levels

• Additive phase jitter, RMS @ 122.88MHz: 45fs (typical)

• Propagation delay: 175ps (maximum), V

CC = 3.3V

• Output rise/fall time: 135ps (maximum), V

CC = 3.3V

• Internal input signal termination

• Supply voltage: 2.5V-5% to 3.3V+10%

• Lead-free (RoHS 6) packaging

• -40°C to 85°C ambient operating temperature

Block Diagram

Pin Assignment

ICS853S9252I

16 lead VFQFN

3.0mm x 3.0mm x 0.925mm

package body

K Package

Top View

IN

nIN

VTT

VREF

Q0

nQ0

Q1

nQ1

VREF

Generator

50



50



IN

nIN

nc

Q0

nQ0

Q1

nQ1

1

2

3

4

5 6

7

8

12

11

10

9

16 15 14 13

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853S9252BKILF Datasheet(PDF) 1 Page - Integrated Device Technology

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