NW36M25LA

Frequency Timing and Translation Modules Model Name NW36M25LA n Main Application SONET, SDH, FTTH, Communications equipment NEW Frequency Controlled Crystal Oscillator (FCXO) Advanced Stratum3 Module n Features l Four inputs, Stratum 3 solution for the Synchronous Timing Source in SONET/SDH network elements. l Accepts 4 reference inputs in 9 steps from 8 kHz to 77.76 MHz (See specification below) l Compliant with Telecordia GR1244CORE, GR253 and ITU-T G.812 / G.813. l Hit-less reference switching. l Frequency ramp control during reference switching. l Supports Master / Slave operation l Three output signals: one selectable (See specification below) up to 77.76 MHz, one fixed at 8 kHz and 1.544 MHz or 2.048 MHz BITS output. * Module markings may be changed without notice. n Specifications Item Supply Voltage (VCC) Current Consumption Operating Temp. Range Input Levels Input Reference Frequency Output Levels Output Frequency 1 Output Frequency 2,3 Free-run accuracy Holdover accuracy PLL bandwidth (user programmable) Model NW36M25LA +3.3 V DC ±5% 150 mA typ 0 to +70°C 4-CMOS 8 kHz, 1.544 MHz, 2.048 MHz, 12.96 MHz, 19.44 MHz, 25.92 MHz, 38.88 MHz, 51.84 MHz or 77.76 MHz Three CMOS outputs OUTPUT 1: 12.96 MHz, 19.44 MHz, 25.92 MHz, 38.88 MHz, 51.84 MHz or 77.76 MHz M/S_OUT: 8 kHz, BITS_CLK: 1.544 MHz or 2.048 MHz ±4.6×10−6 max. ±0.37×10−6 max. 0.025 Hz to 1.6 Hz n List of Ordering Codes Output frequency (MHz) OUTPUT 1: One selectable up to 77.76 MHz Ordering Code NW36M25LA-[ ...