3-GHz, 10-Output Level Translator


3-GHz, 10-Output Level Translator

3 GHz, 10 Output Level Translator

The LMK00301 is a 3-GHz, 10-output differential fanout buffer intended for high-frequency, low-jitter clock/data distribution and level translation. The input clock can be selected from two differential inputs or one crystal input. The selected input clock is distributed to two banks of 5 differential outputs and one LVCMOS output. Each output bank can be configured as LVPECL, LVDS, or HCSL drivers, or disabled to reduce power. The LVCMOS output has a synchronous enable input for runt-pulse-free operation when enabled or disabled. The LMK00301 can be powered from a single 3.3 V supply, or dual 3.3 V/2.5 V supplies for lower power operation.

The LMK00301 provides high performance, versatility, and power efficiency, making it ideal for replacing fixed-output buffer devices while increasing timing margin in the system.

Features
  • 3:1 Input Multiplexer
  • Two differential inputs accept DC-coupled LVPECL, LVDS, CML, SSTL, HSTL and single-ended clocks
  • Differential input operates from DC to 3.1 GHz
  • One crystal input accepts a 10 to 40 MHz crystal or single-ended clock
  • Two Banks with 5 Differential Outputs each
  • Selectable output type (per bank): LVPECL, LVDS, HCSL, or Hi-Z
  • 51 fs RMS Additive Jitter for LVPECL at 156.25 MHz (12 kHz – 20 MHz) with LMK03806 clock source
  • LVCMOS output with synchronous enable input
  • Pin-controlled configuration
  • Core Supply: 3.3 V ± 5%, Output Supply: 3.3 V/2.5 V ± 5%
  • Industrial temperature range: -40°C to +85°C
  • Package: 48-pin LLP (7.0 × 7.0 × 0.8 mm)

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