IDT5V926APGGI

IDT5V926APGGI Datasheet

IDT5V926A

Part	Datasheet
IDT5V926APGGI	IDT5V926APGGI (pdf)

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Single Output Clock Generator IDT5V926A DATA SHEET FEATURES: • 3V to 3.6V operating voltage • 48MHz to 160MHz output frequency range • Input from fundamental crystal oscillator or external source • Internal PLL feedback loading the feedback output relative to the other outputs, will adjust the propagation delay between REF inputs and outputs • Select inputs S[1:0] for FB divide selection multiply ratio of 2, 3, 4, 5, 6, and 8 • Low jitter • PLL bypass for testing and power-down control S1 = H, S0 = H, powers part down <500µA • Available in TSSOP package • Pin and function compatible to IDT5V926 APPLICATIONS: • Gigabit ethernet • Router • Network switches • SAN • Instrumentation • Fibre channel DESCRIPTION: The IDT5V926A is a low-cost, low skew, low jitter, and high-performance clock multiplier with a reference clock from either a lower frequency crystal or clock input. It has been specially designed to interface with Gigabit Ethernet and Fast Ethernet applications by providing a 125MHz clock from 25MHz input. It can be programmed to provide output frequencies ranging from 48MHz to 160MHz, with input frequencies ranging from 6MHz to 80MHz. The IDT5V926A includes an internal RC filter that provides excellent jitter characteristics and eliminates the need for external components. When using the optional crystal input, the device accepts a 10 - 40MHz fundamental mode crystal with a maximum equivalent series resistance of FUNCTIONAL BLOCK DIAGRAM VCO DIVIDE 1/N X1/REF X2 PHASE DETECTOR CHARGE PUMP CRYSTAL OSCILLATOR LOOP FILTER SELECT MODE QOUT QREF S1 S0 REFE 2009 Integrated Device Technology, Inc. IDT5V926A Data Sheet SINGLE OUTPUT CLOCK GENERATOR PIN CONFIGURATION REFE 1 X1/REF 2 X2 3 VDD 4 VDDQ 5 GND 6 QREF 7 VDDQ 8 16 S0 15 S1 14 OE 13 GND 12 VDDQ 11 GND 10 QOUT 9 VDDQ TSSOP TOP VIEW CRYSTAL SPECIFICATION The crystal oscillators should be fundamental mode quartz crystals overtone crystals are not suitable. Crystal frequency should be specified for parallel resonance with 50Ω maximum equivalent series resonance. Crystal tuning capacitors should be connected from X1/REF to GND and from X2 to GND. ABSOLUTE MAXIMUM RATINGS 1 Parameter Max. Unit VDD/VDDQ Supply Voltage to Ground Input Voltage Output Current ±50 ORDERING INFORMATION IDT XXXX Device Type Package X Process -40°C to +85C° Industrial PG PGG 5V926A Thin Shrink Small Outline Package TSSOP - Green Single Output Clock Generator Innovate with IDT and accelerate your future networks. Contact: For Sales 800-345-7015 inside USA +408-284-8200 outside USA Fax 408-284-2775 For Tech Support +480-763-2056 Corporate Headquarters Integrated Device Technology, Inc. 6024 Silver Creek Valley Road San Jose, CA 95138 United States 800-345-7015 inside USA +408-284-8200 outside USA 2008 Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice. IDT, the IDT logo, ICS and HiPerClockS are trademarks of Integrated Device Technology, Inc. Accelerated Thinking is a service mark of Integrated Device Technology, Inc. All other brands, product names and marks are or may be trademarks or registered trademarks used to identify products or services of their respective owners. Printed in USA

PDF Datasheet Preview

Single Output Clock Generator

IDT5V926A

DATA SHEET

FEATURES:
• 3V to 3.6V operating voltage
• 48MHz to 160MHz output frequency range
• Input from fundamental crystal oscillator or external
source
• Internal PLL feedback loading the feedback output
relative to the other outputs, will adjust the propagation delay between REF inputs and outputs
• Select inputs S[1:0] for FB divide selection multiply ratio of 2, 3, 4, 5, 6, and 8
• Low jitter
• PLL bypass for testing and power-down control S1 = H, S0 = H, powers part down <500µA
• Available in TSSOP package
• Pin and function compatible to IDT5V926

APPLICATIONS:
• Gigabit ethernet
• Router
• Network switches
• SAN
• Instrumentation
• Fibre channel

DESCRIPTION:

The IDT5V926A is a low-cost, low skew, low jitter, and high-performance clock multiplier with a reference clock from either a lower frequency crystal or clock input. It has been specially designed to interface with Gigabit Ethernet and Fast Ethernet applications by providing a 125MHz clock from 25MHz input. It can be programmed to provide output frequencies ranging from 48MHz to 160MHz, with input frequencies ranging from 6MHz to 80MHz.

The IDT5V926A includes an internal RC filter that provides excellent jitter characteristics and eliminates the need for external components. When using the optional crystal input, the device accepts a 10 - 40MHz fundamental mode crystal with a maximum equivalent series resistance of

FUNCTIONAL BLOCK DIAGRAM

VCO DIVIDE 1/N

X1/REF X2

PHASE DETECTOR

CHARGE PUMP

CRYSTAL OSCILLATOR

LOOP FILTER

SELECT MODE

QOUT QREF

S1 S0

REFE
2009 Integrated Device Technology, Inc.

IDT5V926A Data Sheet

SINGLE OUTPUT CLOCK GENERATOR

PIN CONFIGURATION

REFE 1 X1/REF 2

X2 3 VDD 4 VDDQ 5 GND 6 QREF 7 VDDQ 8
16 S0 15 S1 14 OE 13 GND 12 VDDQ 11 GND 10 QOUT 9 VDDQ

TSSOP TOP VIEW

CRYSTAL SPECIFICATION

The crystal oscillators should be fundamental mode quartz crystals overtone crystals are not suitable. Crystal frequency should be specified for parallel resonance with 50Ω maximum equivalent series resonance. Crystal tuning capacitors should be connected from X1/REF to GND and from X2 to GND.

ABSOLUTE MAXIMUM RATINGS 1

Parameter

Max.

Unit

VDD/VDDQ Supply Voltage to Ground

Input Voltage

Output Current
±50
ORDERING INFORMATION

IDT XXXX

Device Type Package

X Process
-40°C to +85C° Industrial

PG PGG
5V926A

Thin Shrink Small Outline Package TSSOP - Green

Single Output Clock Generator

Innovate with IDT and accelerate your future networks. Contact:

For Sales
800-345-7015 inside USA +408-284-8200 outside USA Fax 408-284-2775

For Tech Support
+480-763-2056

Corporate Headquarters

Integrated Device Technology, Inc. 6024 Silver Creek Valley Road San Jose, CA 95138 United States 800-345-7015 inside USA +408-284-8200 outside USA
2008 Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice. IDT, the IDT logo, ICS and HiPerClockS are trademarks of Integrated Device Technology, Inc. Accelerated Thinking is a service mark of Integrated Device Technology, Inc. All other brands, product names and marks are or may be trademarks or registered trademarks used to identify products or services of their respective owners. Printed in USA

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived IDT5V926APGGI Datasheet file may be downloaded here without warranties.

Datasheet ID: IDT5V926APGGI 637293