M902-01中文资料VCSO Based GBE Clock Generator数据手册Renesas规格书

描述 Description

The M902-01 is a PLL (Phase Locked Loop) based clock generator that uses an internal VCSO (Voltage Controlled SAW Oscillator) to produce a very low jitter output clock. It is ideal for Gigabit Ethernet. The output clock (frequency of 156.25 or 187.50MHz for example) is provided from two LVPECL clock output pairs. (Specify frequency at time of order.) The accuracy of the output frequency is assured by the internal PLL, which phase-locks the internal VCSO to the reference input frequency (25 or 30MHz for example). The input reference can either be an external crystal, utilizing the internal crystal oscillator, or a stable external clock source such as a packaged crystal oscillator.

特性 Features

Output clock frequency from 125MHz to 190MHz (Consult factory for frequency availability)
Two identical LVPECL output pairs
Integrated SAW (surface acoustic wave) delay line
Low jitter 0.5ps rms (over 12kHz-20MHz)
Ideal for Gigabit Ethernet clock reference
Output-to-output skew < 100ps
External XTAL or LVCMOS reference input
Selectable external feed-through clock input
STOP clock control (Logic 1 stops output clocks)
Industrial temperature grade available
Single 3.3V power supply
Small 9 x 9 mm SMT (surface mount) package