描述 Description

The ZL30109 DS1/E1 System Synchronizer contains a digital phase-locked loop (DPLL), which provides timing and synchronization for multi-trunk DS1 and E1 transmission equipment. The 19.44 MHz output makes the ZL30109 also suitable for SDH line card applications.

特性 Features

Supports Telcordia GR-1244-CORE Stratum 4 and Stratum 4E
Supports ITU-T G.823 and G.824 for 2048 kbit/s and 1544 kbit/s interfaces
Supports ANSI T1.403 and ETSI ETS 300 011 for ISDN primary rate interfaces
Simple hardware control interface
Accepts two input references and synchronizes to any combination of 2 kHz, 8 kHz, 1.544 MHz, 2.048 MHz, 8.192 MHz, 16.384 MHz or 19.44 MHz inputs
Provides a range of clock outputs: 1.544 MHz, 2.048 MHz, 16.384 MHz, 19.44 MHz and either 4.096 MHz and 8.192 MHz or 32.768 MHz and 65.536 MHz
Provides 5 styles of 8 kHz framing pulses and a 2 kHz multi-frame pulse
Holdover frequency accuracy of 1.5 x 10-7
Lock, Holdover and selectable Out of Range indication
Selectable loop filter bandwidth of 1.8 Hz or 922 Hz
Less than 24 psrms intrinsic jitter on the 19.44 MHz output clock, compliant with OC-3 and STM-1 jitter specifications
Less than 0.6 nspp intrinsic jitter on all output clocks
External master clock source: clock oscillator or crystal

簡介

ZL30109屬于集成電路（IC）的應(yīng)用特定時鐘/定時。由制造生產(chǎn)的ZL30109應(yīng)用特定時鐘/定時專用時鐘和計時 IC（集成電路）產(chǎn)品族中的產(chǎn)品主要用于執(zhí)行與時間或頻率信息生成和分配相關(guān)的各種操作，適合的設(shè)計環(huán)境較特定，例如 AMD 和 Intel 的中央處理單元 (CPU) 或圖形處理單元 (GPU)、DVD 音頻設(shè)備、藍(lán)光光盤播放器、以太網(wǎng)設(shè)備、PCIe、SATA、光纖通道接口、車載娛樂總線等。