ルネサス エレクトロニクス株式会社 (Renesas Electronics Corporation)
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8V89316

アクティブ

Ethernet PLL and IEEE 1588 Synthesizer

ご購入
8V89316 Short Form Datasheet

概要

The IDT8V89316 is used to frequency synchronize equipment with an Ethernet connected reference; its integrated DCO (Digitally Controlled Oscillator) can be controlled by an external IEEE 1588 clock recovery servo to synthesize IEEE 1588-based clocks. The IDT8V89316 low jitter output clocks can be used to directly time Gigabit Ethernet PHYs and QSGMII devices.

8V89316 Functional Diagram
8V89316 Functional Diagram
  • Digital PLL synchronizes with Ethernet connected synchronization sources
  • DPLL bandwidth is 1.2 Hz; DPLL holdover accuracy is 1.1X10-5 ppm
  • Input references are monitored for frequency offset and activity
  • DPLL holdover, free run and hitless reference switching can be forced by the host processor or can be automatically controlled by an internal state machine
  • Internal DCO has resolution of 0.01105 ppb and can be controlled by an external processor via I2C interface for IEEE 1588 clock generation
  • One Analog PLL for jitter attenuation
  • Jitter generation <0.65ps RMS (10 kHz to 20 MHz), meets jitter requirements of 1 GbE PHYs and QSGMII
  • IN1, IN2 and IN3 accept single ended reference clocks whose frequencies can be 25 MHz, 125 MHz or 156.25 MHz
  • OUT1 outputs a differential clock with frequency of 125 MHz or 156.25 MHz
  • OUT2 to OUT6 output differential clocks all with the same frequency of 125 MHz or 156.25 MHz
  • OUT7 outputs a free-running LVCMOS clock with frequency of 25 MHz

ドキュメント

設計・開発

ソフトウェアダウンロード
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ソフトウェア／ツール－その他
8V89316 Device Driver Package Version 1.2 (source only, tarball)
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ソフトウェア／ツール－その他
8V89316 Device Driver Package Version 1.2 (source only, zip)
ログインしてダウンロード ZIP 275 KB
2件
8EBV89316 Evaluation Board for IDT8V89316 - top view

8EBV89316

Evaluation
詳しくはこちら

Evaluation Board 8EBV89316 for Industrial Automation and Power Systems - Ethernet PLL and IEEE 1588 Synthesizer

The 8EBV89316 Evaluation board for Industrial Automation and Power Systems allows the user to connect up to three single ended reference inputs via SMA connectors. The...

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8EBV89316 Evaluation Board

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