2:10 LVPECL buffer (200MHz), 2:

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Low-Jitter LVPECL Fanout Clock Buffers with up to 10 LVPECL Outputs from Any-Format Input and Wide Frequency Range from DC up to 1250 MHz

The Si53320–28 family of LVPECL fanout buffers is ideal for clock/data distribution and redundant clocking applications. These devices feature typical ultra-low jitter characteristics of 50 fs and operate over a wide frequency range from dc to 725/1250 MHz. Builtin LDOs deliver high PSRR performance and reduce the need for external components, simplifying low-jitter clock distribution in noisy environments.

The Si53320–28 family is available in multiple configurations, with some versions offering a selectable input clock using a 2:1 input mux. Other features include independent output enable and built-in format translation. These buffers can be paired with the Si534x clocks and Si5xx oscillators to deliver end-to-end clock tree performance.

Symmetry Electronics is an authorized Silicon Labs distributor.


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Ultra-low additive jitter: 50 fs rms
Built-in LDOs for high PSRR performance
Up to 10 LVPECL Outputs
Any-format Inputs (LVPECL, Low-power LVPECL, LVDS, CML, HCSL, LVCMOS)
Wide frequency range: dc to 1250 MHz
Output Enable option
Multiple configuration options
Dual Bank option
2:1 Input Mux operation
RoHS compliant, Pb-free
Temperature range: 40 to +85 C

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2:10 LVPECL buffer (200MHz), 2:
Part #: SI53326-B-GMR
2:10 LVPECL buffer (200MHz), 2: