ICS87321AMILF IDT, Integrated Device Technology Inc, ICS87321AMILF Datasheet

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ICS87321AMILF

Manufacturer Part Number
ICS87321AMILF
Description
Manufacturer
IDT, Integrated Device Technology Inc
Type
Clock Dividerr
Datasheet

Specifications of ICS87321AMILF

Number Of Clock Inputs
1
Mode Of Operation
Differential
Output Logic Level
LVPECL
Operating Supply Voltage (min)
2.375V
Operating Supply Voltage (typ)
2.5/3.3V
Operating Supply Voltage (max)
3.465V
Package Type
SOIC N
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
8
Lead Free Status / Rohs Status
Compliant
÷1, ÷2 DIFFERENTIAL-TO-LVPECL CLOCK GENERATOR
B
F_SEL
IDT
G
ICS87321I is characterized to operate from a 3.3V or 2.5V power
supply. Guaranteed part-to-part skew characteristics make the
ICS87321I ideal for those clock distribution applications demand-
ing well defined performance and repeatability.
HiPerClockS™
nCLK
IC S
CLK
MR
LOCK
ENERAL
/ ICS
Pulldown
Pullup
Pulldown
Pulldown
3.3V LVPECL CLOCK GENERATOR
D
The ICS87321I is a high perfor mance ÷1, ÷2
Differential-to-LVPECL Clock Generator and a mem-
ber of the HiPerClockS™ family of High Performance
Clock Solutions from IDT. The CLK, nCLK pair can
accept most standard differential input levels. The
IAGRAM
D
ESCRIPTION
R
÷1
÷2
0
1
Q
nQ
1
F
• One differential LVPECL output
• One CLK, nCLK input pair
• CLK, nCLK pair can accept the following differential
• Maximum clock input frequency: 700MHz
• Translates any single ended input signal (LVCMOS, LVTTL,
• Part-to-part skew: 600ps (maximum)
• Propagation delay: 1.8ns (maximum)
• Additive phase Jitter, RMS: 0.18ps
• Full 3.3V or 2.5V operating supply
• -40°C to 85°C ambient operating temperature
• Available in both standard (RoHS 5) and lead-free (RoHS 6)
input levels: LVPECL, LVDS, LVHSTL, SSTL, HCSL
GTL) to LVPECL levels with resistor bias on nCLK input
packages
EATURES
P
3.90mm x 4.90mm x 1.37mm package body
IN
A
SSIGNMENT
F_SEL
nCLK
CLK
MR
8-Lead SOIC
ICS87321I
M Package
Top View
1
2
3
4
ICS87321AMI REV. A APRIL 7, 2009
8
7
6
5
Vcc
Q
nQ
V
EE
ICS87321I

Related parts for ICS87321AMILF

ICS87321AMILF Summary of contents

Page 1

DIFFERENTIAL-TO-LVPECL CLOCK GENERATOR G D ENERAL ESCRIPTION The ICS87321I is a high perfor mance ÷1, ÷ Differential-to-LVPECL Clock Generator and a mem- HiPerClockS™ ber of the HiPerClockS™ family of High Performance Clock Solutions from IDT. The ...

Page 2

ICS87321I ÷1, ÷2 DIFFERENTIAL-TO-3.3V LVPECL CLOCK GENERATOR ABLE IN ESCRIPTIONS ...

Page 3

ICS87321I ÷1, ÷2 DIFFERENTIAL-TO-3.3V LVPECL CLOCK GENERATOR BSOLUTE AXIMUM ATINGS Supply Voltage Inputs, V -0. Outputs Continuous Current 50mA Surge Current 100mA Package Thermal Impedance, JA Storage Temperature, T -65°C ...

Page 4

ICS87321I ÷1, ÷2 DIFFERENTIAL-TO-3.3V LVPECL CLOCK GENERATOR T 4E. LVPECL DC C ABLE HARACTERISTICS ...

Page 5

ICS87321I ÷1, ÷2 DIFFERENTIAL-TO-3.3V LVPECL CLOCK GENERATOR T 5B 2.5V±5%, V ABLE HARACTERISTICS ...

Page 6

ICS87321I ÷1, ÷2 DIFFERENTIAL-TO-3.3V LVPECL CLOCK GENERATOR The spectral purity in a band at a specific offset from the fundamental compared to the power of the fundamental is called the dBc Phase Noise. This value is normally expressed using a ...

Page 7

ICS87321I ÷1, ÷2 DIFFERENTIAL-TO-3.3V LVPECL CLOCK GENERATOR P ARAMETER LVPECL V EE -1.3V ± 0.165V 3. UTPUT OAD EST IRCUIT V CC nCLK V Cross Points PP CLK ...

Page 8

ICS87321I ÷1, ÷2 DIFFERENTIAL-TO-3.3V LVPECL CLOCK GENERATOR P ARAMETER PERIOD t PW odc = x 100% t PERIOD UTPUT UTY YCLE ULSE IDTH ERIOD IRING THE ...

Page 9

ICS87321I ÷1, ÷2 DIFFERENTIAL-TO-3.3V LVPECL CLOCK GENERATOR IFFERENTIAL LOCK NPUT NTERFACE The CLK /nCLK accepts LVDS, LVPECL, LVHSTL, SSTL, HCSL and other differential signals. Both V SWING V and V input requirements. Figures ...

Page 10

ICS87321I ÷1, ÷2 DIFFERENTIAL-TO-3.3V LVPECL CLOCK GENERATOR ECOMMENDATIONS FOR NUSED I : NPUTS LVCMOS C P ONTROL INS All control pins have internal pulldowns; additional resistance is not required but can be added for additional protection. A ...

Page 11

ICS87321I ÷1, ÷2 DIFFERENTIAL-TO-3.3V LVPECL CLOCK GENERATOR T 2.5V LVPECL O ERMINATION FOR Figure 4A and Figure 4B show examples of termination for 2.5V LVPECL driver. These terminations are equivalent to terminating 2V. For V = ...

Page 12

ICS87321I ÷1, ÷2 DIFFERENTIAL-TO-3.3V LVPECL CLOCK GENERATOR This section provides information on power dissipation and junction temperature for the ICS87321I. Equations and example calculations are also provided. 1. Power Dissipation. The total power dissipation for the ICS87321I is the sum ...

Page 13

ICS87321I ÷1, ÷2 DIFFERENTIAL-TO-3.3V LVPECL CLOCK GENERATOR 3. Calculations and Equations. The purpose of this section is to derive the power dissipated into the load. LVPECL output driver circuit and termination are shown in Figure calculate worst ...

Page 14

ICS87321I ÷1, ÷2 DIFFERENTIAL-TO-3.3V LVPECL CLOCK GENERATOR ABLE VS IR LOW ABLE FOR JA Multi-Layer PCB, JEDEC Standard Test Boards T C RANSISTOR OUNT The transistor count for ICS87321I is: 309 IDT ™ / ...

Page 15

ICS87321I ÷1, ÷2 DIFFERENTIAL-TO-3.3V LVPECL CLOCK GENERATOR ACKAGE UTLINE UFFIX FOR IDT ™ / ICS ™ 3.3V LVPECL CLOCK GENERATOR SOIC EAD ABLE ACKAGE IMENSIONS ...

Page 16

ICS87321I ÷1, ÷2 DIFFERENTIAL-TO-3.3V LVPECL CLOCK GENERATOR ABLE RDERING NFORMATION ...

Page 17

ICS87321I ÷1, ÷2 DIFFERENTIAL-TO-3.3V LVPECL CLOCK GENERATOR Innovate with IDT and accelerate your future networks. Contact: www.IDT.com For Sales 800-345-7015 (inside USA) +408-284-8200 (outside USA) Fax: 408-284-2775 www.IDT.com/go/contactIDT © 2009 Integrated Device Technology, Inc. All rights reserved. Product specifications subject ...

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