ICS843404 datasheet(1/19 Pages) ICST

tên linh kiện	ICS843404

Giải thích chi tiết về linh kiện	LVCMOS/CRYSTAL-TO-3.3V LVPECL AND LVDS CLOCK GENERATOR

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843404AG

www.icst.com/products/hiperclocks.html

REV. A OCTOBER 17, 2005

1

Integrated

Circuit

Systems, Inc.

ICS843404

LVCMOS/CRYSTAL-TO-3.3V LVPECL AND

LVDS CLOCK GENERATOR

GENERAL DESCRIPTION

The ICS843404 is a low phase noise Fibre

Channel Clock Generator and is a member of

the HiPerClockSTM family of high performance

clock solutions from ICS. The device provides

two banks of one LVPECL output per bank and

one bank of two LVDS outputs. Each bank can be

independently set by using their respective frequency select

pins for the following output frequencies: 318.75MHz,

212.5MHz, 159.375MHz or 106.25MHz, using a 25.5MHz

18pF parallel resonant crystal. The ICS843404 can also be

driven from a 25.5MHz single-ended reference clock. For

system debug or test purposes, the PLL can be bypassed

using the VCO_SEL pin.

FEATURES

• Three banks of outputs: one bank of two LVDS outputs

and two banks of one LVPECL output

• Selectable crystal oscillator interface or

LVCMOS/LVTTL single-ended reference clock input

• Four independently selectable output frequency on each

bank: 318.75MHz, 212.5MHz, 159.375MHz and 106.25MHz

• Maximum output frequency: 318.75MHz

• Crystal input frequency: 25.5MHz

•V

DDO_LVPECL can be set for 3.3V or 2.5V, allowing the

device to generate 3.3V or 2.5V LVPECL levels

• RMS phase jitter at 106.25MHz, using a 25.5MHz crystal

(637kHz to 10MHz intergration): 2.65ps (typical)

Offset

Noise Power

100Hz ................. -89.1 dBc/Hz

1kHz ................. -112.7 dBc/Hz

10kHz ................. -128.0 dBc/Hz

100kHz ................. -130.2 dBc/Hz

• Supply voltage modes:

• V

DD = VDDA = 3.3V

• V

DDO_LVPECL = 3.3V or 2.5V

• V

DDO_LVDS = 3.3V

• 0°C to 70°C ambient operating temperature

• Available in both standard and lead-free RoHS-compliant

packages

• Industrial termperature information available upon request

HiPerClockS™

ICS

PIN ASSIGNMENT

0

1

0

1

Phase

Detector

VCO

637.5MHz

(Fixed)

M = 25 (fixed)

LVDS_FSEL1:0

0 0

÷2

0 1

÷3

1 0

÷4

1 1

÷6

LVPECL_FSELA1:0

0 0

÷2

0 1

÷3

1 0

÷4

1 1

÷6

LVPECL_FSELB1:0

0 0

÷2

0 1

÷3

1 0

÷4

1 1

÷6

25.5MHz

V

DDO_LVPECL

V

DDO_LVDS

OSC

BLOCK DIAGRAM

VCO_SEL

TEST_CLK

XTAL_IN

XTAL_OUT

XTAL_SEL

MR

LVPECLA0

nLVPECLA0

LVPECLB0

nLVPECLB0

LVDS0

nLVDS0

LVDS1

nLVDS1

Pullup

Pulldown

Pullup

Pulldown

ICS843404

28-Lead TSSOP, 173-MIL

4.4mm x 9.7mm x 0.92mm

body package

G Package

Top View

MR

VCO_SEL

VDDo_LVDS

LVDS0

nLVDS0

LVDS1

nLVDS1

nc

LVPECL_FSELB0

LVPECL_FSELB1

nc

VDDA

LVPECL_FSELA0

VDD

LVDS_FSEL0

LVDS_FSEL1

VDDO_LVPECL

LVPECLA0

nLVPECLA0

LVPECLB0

nLVPECLB0

XTAL_SEL

TEST_CLK

GND

XTAL_IN

XTAL_OUT

LVPECL_FSELA1

1

2

3

4

5

6

7

8

9

10

11

12

13

14

28

27

26

25

24

23

22

21

20

19

18

17

16

15

Số phần tương tự - ICS843404

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Renesas Technology Corp	ICS843404	479Kb / 20P	LVCMOS/CRYSTAL-TO-3.3V LVPECL AND LVDS CLOCK GENERATOR 2006
	ICS843404AG	479Kb / 20P	LVCMOS/CRYSTAL-TO-3.3V LVPECL AND LVDS CLOCK GENERATOR 2006
	ICS843404AGLF	479Kb / 20P	LVCMOS/CRYSTAL-TO-3.3V LVPECL AND LVDS CLOCK GENERATOR 2006
	ICS843404AGLFT	479Kb / 20P	LVCMOS/CRYSTAL-TO-3.3V LVPECL AND LVDS CLOCK GENERATOR 2006
	ICS843404AGT	479Kb / 20P	LVCMOS/CRYSTAL-TO-3.3V LVPECL AND LVDS CLOCK GENERATOR 2006

More results

Mô tả tương tự - ICS843404

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Integrated Circuit Syst...	ICS843031	211Kb / 11P	FEMTOCLOCKS??CRYSTAL-TO-3.3V LVPECL CLOCK GENERATOR REV. A NOVEMBER 29, 2004
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	ICS843251-04	145Kb / 10P	FEMTOCLOCKS??CRYSTAL-TO-3.3V LVPECL CLOCK GENERATOR REV. A SEPTEMBER 12, 2005
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	843021	282Kb / 15P	FemtoClock Crystal-to-3.3V LVPECL Clock Generator
	ICS843021I	894Kb / 14P	FemtoClock Crystal-to-3.3V LVPECL Clock Generator
	ICS843011C	247Kb / 14P	FemtoClock Crystal-to-3.3V LVPECL Clock Generator
Renesas Technology Corp	ICS843404	479Kb / 20P	LVCMOS/CRYSTAL-TO-3.3V LVPECL AND LVDS CLOCK GENERATOR 2006

More results

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