ICS650G-40ALF IDT, Integrated Device Technology Inc, ICS650G-40ALF Datasheet

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ICS650G-40ALF

Manufacturer Part Number
ICS650G-40ALF
Description
IC CLOCK ETHERNET SWITCH 16TSSOP
Manufacturer
IDT, Integrated Device Technology Inc
Type
Clock/Frequency Synthesizerr
Datasheet

Specifications of ICS650G-40ALF

Pll
Yes
Input
Clock, Crystal
Output
Clock
Number Of Circuits
1
Ratio - Input:output
1:3
Differential - Input:output
No/No
Frequency - Max
25MHz
Divider/multiplier
No/No
Voltage - Supply
3.15 V ~ 3.45 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
16-TSSOP
Frequency-max
25MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
650G-40ALF
ETHERNET SWITCH CLOCK SOURCE
Description
The ICS650-40A is a clock chip designed for use as a core
clock in Ethernet Switch applications. Using IDT’s patented
Phase-Locked Loop (PLL) techniques, the device takes a
25 MHz crystal input and produces various output clock
frequencies as listed in Output Select Table.
Block Diagram
IDT™ / ICS™ ETHERNET SWITCH CLOCK SOURCE
crystal or clock
25 MHz
S1:S0
X1/ICLK
Optional tuning crystal
capacitors
X2
2
Oscillator
Control
Crystal
Buffer/
Logic
Clock
1
VDD
GND
Phase Lock Loop
Features
2
4
Packaged in 16-pin TSSOP
Operating voltage of 3.3 V
Low power consumption
Input frequency of 25 MHz
Low long-term jitter
Separate supply voltage for clock outputs (2.5 / 3.3 V
clock outputs)
OE control capability
VDDOA
VDDOB
OE
CLKB
CLKA
CLKA
ICS650-40A
DATASHEET
ICS650-40A
REV E 051310

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ICS650G-40ALF Summary of contents

Page 1

ETHERNET SWITCH CLOCK SOURCE Description The ICS650-40A is a clock chip designed for use as a core clock in Ethernet Switch applications. Using IDT’s patented Phase-Locked Loop (PLL) techniques, the device takes a 25 MHz crystal input and produces various ...

Page 2

ICS650-40A ETHERNET SWITCH CLOCK SOURCE Pin Assignment X1/ICLK 1 VDD 2 GNDA 3 VDDOA 4 CLKA 5 CLKA 6 GNDA 16-pin (173 mil) TSSOP Pin Descriptions Pin Pin Number Name 1 X1/ICLK 2 VDD 3 GNDA 4 ...

Page 3

ICS650-40A ETHERNET SWITCH CLOCK SOURCE External Components A minimum number of external components are required for proper operation. Decoupling capacitors of 0.01 F should be connected between VDD and GND pairs. The capacitors should be placed between pins VDD and ...

Page 4

ICS650-40A ETHERNET SWITCH CLOCK SOURCE DC Electrical Characteristics VDD=3.3 V ±5%, VDDOA = VDDOB= 3.3 V ±5% Ambient Temperature 0 to +70 C Parameter Operating Voltage Output Operating Voltage Input High Voltage, ICLK Input Low Voltage, ICLK Input High Voltage, ...

Page 5

ICS650-40A ETHERNET SWITCH CLOCK SOURCE Thermal Characteristics Parameter Thermal Resistance Junction to Ambient Thermal Resistance Junction to Case Marking Diagram (RoHS compliant) 16 650G40AL ###### YYWW 1 Notes: 1. ###### is the lot code. 2. YYWW is the last two ...

Page 6

ICS650-40A ETHERNET SWITCH CLOCK SOURCE Package Outline and Package Dimensions Package dimensions are kept current with JEDEC Publication No Index Area Pin ...

Page 7

ICS650-40A ETHERNET SWITCH CLOCK SOURCE Innovate with IDT and accelerate your future networks. Contact: www.IDT.com For Sales 800-345-7015 408-284-8200 Fax: 408-284-2775 Corporate Headquarters Integrated Device Technology, Inc. www.idt.com © 2006 Integrated Device Technology, Inc. All rights reserved. Product specifications subject ...

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