Global Website         News         Investor Relations         Careers         Contact Us


Order Number OP4012B

  • 644.53125MHz SAW Optical Timing Clock
  • Tolerance / Specification: +/-100 @ 2 Jitter
  • Phase-locked loop (PLL) applictions in optical data communications systems
  • Timing reference for 10G optical Ethernet communications systems

    Explanation of Product Status

    Under Development Products under development
    Please contact us for product availability and sample lead-time.
    In Production Product is in mass production.
    to be discontinued Not recommended for new designs. We are evaluating the schedule for the discontinuing of production of this item. Contact Murata or refer to the website for details of product supply and possible alternative product information.
    Discontinued product Production of this product has stopped. Contact Murata for inventory availability and possible alternative products.
    Recommended product This product is particularly recommended among our products currently in production.
    New product It's new item.


The OP4012B is a voltage-controlled SAW clock (VCSC) designed for phase-locked loop (PLL) applications in optical data communications systems. The differential outputs of the OP4012B are generated by high-Q, fundamental mode quartz surface acoustic wave (SAW) technology. This technique provides very low output jitter and phase noise, plus excellent immunity to power supply noise. The OP4012B differential outputs feature +/-1% symmetry, and can be DC-configured to drive a wide range of high-speed logic families. The OP4012B is packaged in a hermetic metal-ceramic LCC.
Annual Volume 500
Product Type Optical Timing Clock
Frequency 644.53125MHz
Frequency MHz (min) 644.467
Frequency MHz (max) 644.596
Tuning Range +/-100
Jitter 2
Operating Temperature Range -40 to +85
Operating Temperature °C (min) -40
Operating Temperature °C (max) 85
Mounting Type 8-Terminal Surface Mount Package (SMP)
Package SMC-8
Lid Symbol OP4012B
Dimension 13.5 x 9.4 mm
Supply Voltage (Vdc) 3.3
Technology SAW
RoHs Compliant Yes
ISO9001 Yes
TS16969 Yes
Document Statement Visit the Support section for Application Notes, Reference Designs, White Papers, and more information about designing products using Murata SAW-Based frequency control devices.
Data Sheet Download PDF
Data Sheet Date Feb 4, 2010
Order Number OP4012B
Packaging Tape and Reel
Shipping Size 7" @ 500 Units / Reel