PTP1588网络同步时钟芯片

AC8001 芯片一款的高性能高集成多通路网络同步时钟芯片。为用户提供抖动衰减，时钟发生，输入时钟频率相位检测，无中断切换，输出相位占空比可调等功能。该芯片满足同步时钟网络应用的系统要求和工业应用，支持同步以太网同步功能，1588 同步功能需求，并且支持 JEDECJESD204B 标准。该芯片有 4 个 PLL 通道能产生 12 路 RMS抖动小于 150fs 的时钟。每 1 个 PLL 均等从总共 8 路输入时钟选择任意一路作为跟踪源。 • 4 路独立的 PLL\n• 带宽设置范围：APLL 带宽为 100kHz~2MHz，DPLL 带宽为 0.1Hz~4kHz，PT-DPLL 带宽为 0.1mHz~10Hz（PT-DPLL 带宽需要小于 DPLL 带宽的 1/10）；\n• DPLL/PT-DPLL 支持 DCO 模式，满足 PTP（Precision Time Protocol）和 IEEE 1588 同步功能需求，调频精度 0.001ppb，调频范围不少于±200ppm；\n• 支持手动或者自动无中断输入切换，切换模式有 PBO 和 PSL 两种；\n• 支持 DPLL 和 DCO 通道之间贡献频率控制字的 Combo ;

SAISI

赛思

4.0 AMPERE DARLINGTON POWER TRANSISTORS COMPLEMENTARY SILICON 40 WATT 50 WATT

. . . designed for general–purpose amplifier and low–speed switching applications. • High DC Current Gain — hFE = 2000 (Typ) @ IC = 2.0 Adc • Monolithic Construction with Built–in Base–Emitter Resistors to Limit Leakage Multiplication • Choice of Packages — MJE700 and MJE800 series

文件：256.45 Kbytes 页数：6 Pages

MOTOROLA

摩托罗拉

4.0 AMPERE DARLINGTON POWER TRANSISTORS COMPLEMENTARY SILICON 40 WATT 50 WATT

. . . designed for general–purpose amplifier and low–speed switching applications. • High DC Current Gain — hFE = 2000 (Typ) @ IC = 2.0 Adc • Monolithic Construction with Built–in Base–Emitter Resistors to Limit Leakage Multiplication • Choice of Packages — MJE700 and MJE800 series

文件：256.45 Kbytes 页数：6 Pages

MOTOROLA

摩托罗拉

POWER TRANSISTORS(4.0A,60-80V,40W)

PLASTIC DARLINGTON COMPLEMENTARY SILICON POWER TRANSISTORS designed for general-purpose amplifier and low-speed switching applications. FEATURES * High DCCurrent Gain — hFE = 2000 (Typ) @ IC = 2.0 A * Monolithic Construction with Built-in Base-Emitter Resistors to Limit Leakage Multiplicat

文件：194.68 Kbytes 页数：4 Pages

MOSPEC

统懋