ICS85357-01 datasheet(1/12 Pages) ICST

部件名	ICS85357-01

功能描述	4:1 OR 2:1 DIFFERENTIAL-TO-3.3V LVPECL / ECL CLOCK MULTIPLEXER

PDF	12 Pages

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制造商	ICST [Integrated Circuit Systems]

网页	http://www.icst.com

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1 / 12 page

85357AG-01

www.icst.com/products/hiperclocks.html

REV. A JULY 16, 2001

1

Integrated

Circuit

Systems, Inc.

ICS85357-01

4:1 OR 2:1

DIFFERENTIAL-TO-3.3V LVPECL / ECL CLOCK MULTIPLEXER

BLOCK DIAGRAM

PIN ASSIGNMENT

VCC

CLK0

nCLK0

CLK1

nCLK1

CLK2

nCLK2

CLK3

nCLK3

VEE

1

2

3

4

5

6

7

8

9

10

20

19

18

17

16

15

14

13

12

11

VCC

SEL1

SEL0

VCC

Q0

nQ0

VCC

nc

VEE

ICS85357-01

20-Lead TSSOP

4.40mm x 6.50mm x 0.90mm body package

G Package

Top View

CLK0

nCLK0

CLK1

nCLK1

CLK2

nCLK2

CLK3

nCLK3

Q0

nQ0

00

11

01

10

SEL1 SEL0

GENERAL DESCRIPTION

The ICS85357-01 is a 4:1 or 2:1 Differential-to-

3.3V LVPECL / ECL clock multiplexer which can

operate up to 750MHz and is a member of the

HiPerClockS™ family of High Performance Clock

Solutions from ICS. The ICS85357-01 has 4

selectable clock inputs. The CLK, nCLK pair can accept most

standard differential input levels. The device can operate

using a 3.3V LVPECL (V

EE = 0V, VCC = 3.135V to 3.465V) or

3.3V ECL (V

CC = 0V, VEE = -3.135V to -3.465V). The fully dif-

ferential architecture and low propagation delay make it

ideal for use in clock distribution circuits. The select pins have

internal pulldown resistors. Leaving one input unconnected

(pulled to logic low by the internal resistor) will transform

the device into a 2:1 multiplexer. The SEL1 pin is the most

significant bit and the binary number applied to the select pins

will select the same numbered data input (i.e., 00

selects CLK0, nCLK0).

FEATURES

• High speed differential multiplexer. The device can be

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

• 1 differential 3.3V LVPECL output

• 4 selectable CLK, nCLK inputs

• CLK, nCLK pair can accept the following differential input

levels: LVDS, LVPECL, LVHSTL, SSTL, HCSL

• Maximum output frequency up to 750MHz

• Translates any single ended input signal to 3.3V LVPECL

levels with resistor bias on nCLKx input

• Part-to-part skew: 150ps (maximum)

• Propagation delay: 1.5ns (maximum)

• LVPECL mode operating voltage supply range:

V

CC = 3.135V to 3.465V, VEE = 0V

• ECL mode operating voltage supply range:

V

CC = 0V, VEE = -3.135V to -3.465V

• 0°C to 70°C ambient operating temperature

• Industrial temperature information available upon request

HiPerClockS™

,&6

类似零件编号 - ICS85357-01

制造商	部件名	数据表	功能描述
Integrated Circuit Syst...	ICS85357-11	116Kb / 12P	4:1 OR 2:1, CRYSTAL OSCILLATOR-TO-3.3V LVPECL / ECL MULTIPLEXER REV. A JULY 25, 2001

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类似说明 - ICS85357-01

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