ICS854057 datasheet(1/13 Pages) ICST

Numer części	ICS854057

Szczegółowy opis	4:1 OR 2:1 LVDS CLOCK MULTIPLEXER WITH INTERNAL INPUT TERMINATION

PDF	13 Pages

Scroll/Zoom	100%

Producent	ICST [Integrated Circuit Systems]

Strona internetowa	http://www.icst.com

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1 / 13 page

854057AG

www.icst.com/products/hiperclocks.html

REV. A JULY 18, 2005

1

Integrated

Circuit

Systems, Inc.

ICS854057

4:1 OR 2:1 LVDS CLOCK MULTIPLEXER

WITH

INTERNAL INPUT TERMINATION

GENERAL DESCRIPTION

The ICS854057 is a 4:1 or 2:1 LVDS Clock Mul-

tiplexer which can operate up to 2GHz and is a

member of the HiPerClockS™ family of High Per-

formance Clock Solutions from ICS. The PCLK,

nPCLK pairs can accept most standard differen-

tial input levels. Internal termination is provided on each dif-

ferential input pair. The ICS854057 operates using a 2.5V sup-

ply voltage. The fully differential architecture and low propa-

gation delay make it ideal for use in high speed multiplexing

applications. The select pins have internal pulldown resistors.

Leaving one input unconnected (pulled to logic low by the in-

ternal resistor) will transform the device into a 2:1 multiplexer.

The SEL1 pin is the most significant bit and the binary num-

ber applied to the select pins will select the same numbered

data input (i.e., 00 selects PCLK0, nPCLK0).

FEATURES

• High speed differential multiplexer.The device can be

configured as either a 4:1 or 2:1 multiplexer

• Single LVDS output

• 4 selectable PCLK, nPCLK inputs with internal termination

• PCLK, nPCLK pairs can accept the following differential

input levels: LVPECL, LVDS, CML, SSTL

• Output frequency: >2GHz

• Part-to-part skew: 200ps (maximum)

• Propagation delay: 800ps (maximum)

• Additive phase jitter, RMS: 66fs (typical)

• 2.5V operating supply

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

• Available in both, Standard and RoHS/Lead-Free compliant

packages

HiPerClockS™

ICS

00

01

10

11

BLOCK DIAGRAM

PIN ASSIGNMENT

VDD

PCLK0

VT0

nPCLK0

SEL1

SEL0

PCLK1

VT1

nPCLK1

GND

1

2

3

4

5

6

7

8

9

10

20

19

18

17

16

15

14

13

12

11

VDD

PCLK3

VT3

nPCLK3

Q

nQ

PCLK2

VT2

nPCLK2

GND

ICS854057

20-Lead TSSOP

4.40mm x 6.50mm x 0.925mm body package

G Package

Top View

VT0

PCLK0

nPCLK0

VT1

PCLK1

nPCLK1

VT2

PCLK2

nPCLK2

VT3

PCLK3

nPCLK3

Q

nQ

50

SEL1

SEL0

Pulldown

Podobny numer części - ICS854057

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