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IDT5V926

Part Number	IDT5V926
Manufacturer	Integrated Device
Description	SINGLE OUTPUT CLOCK GENERATOR
Published	Apr 27, 2005
Detailed Description	IDT5V926 SINGLE OUTPUT CLOCK GENERATOR SINGLE OUTPUT CLOCK GENERATOR INDUSTRIALTEMPERATURERANGE IDT5V926 FEATURES: • 3...
Datasheet	IDT5V926 PDF File

Overview

IDT5V926 SINGLE OUTPUT CLOCK GENERATOR SINGLE OUTPUT CLOCK GENERATOR INDUSTRIALTEMPERATURERANGE IDT5V926 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 feedback output relative to other outputs, adjusts propagation delay between REF inputs and outputs) • Select inputs (S[1:0]) for FB divide selection (multiply ratio of 2, 3, 4, 4.
25, 5, 6, 6.
25, and 8) • Low jitter • PLL bypass for testing and power-down control (S1 = H, S0 = H, powers part down <500µA) • Available in TSSOP package DESCRIPTION: The IDT5V926 is a low-cost, low skew, low jitter, and high-performance clock synthesizer with a reference clock from 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 IDT5V926 includes an internal RC filter that provides excellent jitter characteristics and eliminates the need for external components.
When using the optional crystal input, the chip accepts a 10 - 40MHz fundamental mode crystal with a maximum equivalent series resistance of 50Ω.
APPLICATIONS: • Gigabit ethernet • Router • Network switches • SAN • Instrumentation • Fibre channel FUNCTIONAL BLOCK DIAGRAM VCO DIVIDE 1/N OE X1/REF X2 PHASE DETECTOR CHARGE PUMP CRYSTAL OSCILLATOR LOOP FILTER VCO 0 1 SELECT MODE QOUT QREF The IDT logo is a registered trademark of Integrated Device Technology, Inc.
INDUSTRIAL TEMPERATURE RANGE c 2003 Integrated Device Technology, Inc.
S1 S0 1 REFE APRIL 2003 DSC 5405/5 IDT5V926 SINGLE OUTPUT CLOCK GENERATOR INDUSTRIALTEMPERATURERANGE PIN CONFIGURATION REFE X1/REF X2 VDD VDDQ GND QREF VDDQ 1 2 3 4 5 6 7 8 16 S0 15 S1 14 OE 13 GND 12 VDDQ 11 GND 10 QOUT 9 VDDQ TSSOP TO...

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