ICS87604AGILF IDT, Integrated Device Technology Inc, ICS87604AGILF Datasheet

ICS87604AGILF

Manufacturer Part Number

ICS87604AGILF

Description

IC CLK MULT/ZD BUFFER 28-TSSOP

Manufacturer

IDT, Integrated Device Technology Inc

Series

HiPerClockS™r

Type

Clock Multiplier, Zero Delay Bufferr

Datasheet

1.ICS87604AGILF.pdf (13 pages)

Specifications of ICS87604AGILF

Input

LVCMOS, LVTTL

Output

LVCMOS, LVTTL

Frequency - Max

167MHz

Voltage - Supply

3.135 V ~ 3.465 V

Operating Temperature

-40°C ~ 85°C

Mounting Type

Surface Mount

Package / Case

28-TSSOP

Frequency-max

167MHz

Number Of Elements

Supply Current

185mA

Pll Input Freq (min)

8.33MHz

Pll Input Freq (max)

41.67MHz

Operating Supply Voltage (typ)

3.3V

Operating Temp Range

-40C to 85C

Package Type

TSSOP

Output Frequency Range

Up to 166.67MHz

Operating Supply Voltage (min)

3.135V

Operating Supply Voltage (max)

3.465V

Operating Temperature Classification

Industrial

Pin Count

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Other names

800-1220
800-1220-5
800-1220
87604AGILF

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ICS87601AGI REVISION B APRIL 1, 2010

outputs for multiply-ing and regenerating clocks with “zero delay”.

The PLL’s VCO has an operating range of 250MHz - 500MHz,

allowing this device to be used in a variety of general purpose

clocking applications. For PCI/PCI-X applications in particular,

the VCO frequency should be set to 400MHz. This can be

accomplished by supplying 33.33MHz, 25MHz, 20MHz, or

16.66MHz on the reference clock or crystal input and by selecting

÷12, ÷16, ÷20, or ÷24, respectively as the feedback divide value.

The divider on the output bank can then be configured to generate

33.33MHz (÷12), 66.66MHz (÷6), 100MHz (÷4), or 133.33MHz

(÷3).

The ICS87604I is characterized to operate with its core

supply at 3.3V and the bank supply at 3.3V or 2.5V. The

ICS87604I is packaged in a small 6.1mm x 9.7mm TSSOP

body, making it ideal for use in space-constrained applications.

FBDIV_SEL1

FBDIV_SEL0

HiPerClockS™

XTAL_OUT

IC S

XTAL_SEL

LOCK

XTAL_IN

DIV_SEL0

DIV_SEL1

ENERAL

PLL_SEL

REF_IN

FB_IN

OSC

The ICS87604I is a 1:4 PCI/PCI-X Clock Generator.

The ICS87604I has a selectable REF_IN or crystal

input. The REF_IN input accepts LVCMOS or LVTTL

input levels. The ICS87604I has a fully integrated PLL

along with frequency configurable clock and feedback

IAGRAM

ESCRIPTION

Low Voltage/Low Skew, 1:4 PCI/PCI-X

Zero Delay Clock Generator

PLL

÷12

÷16

÷20

÷24

÷12

÷3

÷4

÷6

0 0

0 1

1 0

1 1

0 0

0 1

1 0

1 1

REF_OUT

FB_OUT

Fully integrated PLL

Four LVCMOS/LVTTL outputs, 15

Selectable crystal oscillator interface or

LVCMOS/LVTTL REF_IN clock input

Maximum output frequency: 166.67MHz

Maximum crystal input frequency: 38MHz

Maximum REF_IN input frequency: 41.67MHz

Individual banks with selectable output dividers for

generating 33.333MHz, 66.66MHz, 100MHz and

133.333MHz

Separate feedback control for generating PCI / PCI-X

frequencies from a 16.66MHz or 20MHz crystal, or 25MHz

or 33.33MHz reference frequency

VCO range: 250MHz to 500MHz

Cycle-to-cycle jitter: 120ps (maximum)

Period jitter, RMS: 20ps (maximum)

Output skew: 65ps (maximum)

Static phase offset: 160ps ± 160ps

Voltage Supply Modes:

3.3/3.3/3.3

3.3/3.3/2.5

-40°C to 85°C ambient operating temperature

Available in both standard (RoHS 5 and lead-free (RoHS 6)

packages

EATURES

DDA

DDO

REF_OUT

PLL_SEL

FB_OUT

6.1mm x 9.7mm x 0.92mm

28-Lead TSSOP, 240MIL

FB_IN

GND

DDO

DDA

2010 Integrated Device Technology, Inc.

SSIGNMENT

body package

ICS87604I

G Package

Top View

typical output impedance

FBDIV_SEL1

FBDIV_SEL0

DIV_SEL1

DIV_SEL0

GND

REF_IN

XTAL_OUT

XTAL_IN

XTAL_SEL

87604I

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ICS87604AGILF Summary of contents

Page 1

Low Voltage/Low Skew, 1:4 PCI/PCI-X Zero Delay Clock Generator G D ENERAL ESCRIPTION The ICS87604I is a 1:4 PCI/PCI-X Clock Generator The ICS87604I has a selectable REF_IN or crystal HiPerClockS™ input. The REF_IN input accepts LVCMOS or LVTTL ...

Page 2

ICS87604I ABLE IN ESCRIPTIONS ...

Page 3

ICS87604I T 3A ABLE UTPUT ONTROL IN UNCTION ...

Page 4

ICS87604I BSOLUTE AXIMUM ATINGS Supply Voltage Inputs XTAL_IN Other Inputs Outputs Package Thermal Impedance, JA Storage Temperature, T STG T 4A ABLE OWER UPPLY HARACTERISTICS S y ...

Page 5

ICS87604I ABLE RYSTAL HARACTERISTICS ...

Page 6

ICS87604I P ARAMETER 1.65V±5% 1.65V± DDO V DDA LVCMOS GND -1.65V±5% 3. UTPUT OAD EST IRCUIT V DDO DDO Qy 2 tsk( UTPUT KEW REF_IN FB_IN ...

Page 7

ICS87604I OWER UPPLY ILTERING ECHNIQUES As in any high speed analog circuitry, the power supply pins are vulnerable to random noise. To achieve optimum jitter per- formance, power supply isolation is required. The ICS87604I pro- vides ...

Page 8

ICS87604I VERDRIVING THE RYSTAL NTERFACE The XTAL_IN input can be overdriven by an LVCMOS driver or by one side of a differential driver through an AC coupling capacitor. The XTAL_OUT pin can be left floating. The amplitude ...

Page 9

ICS87604I S E CHEMATIC XAMPLE Figure 4 shows a schematic example of the ICS87604I. Series termination is shown in this schematic. Additional LVCMOS termination approaches are shown in the LVCMOS Termination Application Note. In this example parallel ...

Page 10

ICS87604I ABLE VS IR LOW ABLE FOR JA Multi-Layer PCB, JEDEC Standard Test Boards T C RANSISTOR OUNT The transistor count for ICS87604I is: 5495 P ACKAGE ...

Page 11

ICS87604I T 10 ABLE RDERING NFORMATION ...

Page 12

ICS87604I & ...

Page 13

ICS87604I www.IDT.com 6024 Silver Creek Valley Road Sales San Jose, CA 95138 800-345-7015 (inside USA) +408-284-8200 (outside USA) Fax: 408-284-2775 www.IDT.com/go/contactIDT DISCLAIMER Integrated Device Technology, Inc. (IDT) and its subsidiaries reserve the right to modify the products and/or specifications described ...

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