Silicon Labs Si53344-B-GM Clock Buffer 0 → 1250 MHz 32-Pin QFN

  • RS Stock No. 126-4894
  • Mfr. Part No. Si53344-B-GM
  • Manufacturer Silicon Labs
Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
Product Details

Si5334x Fanout Clock Buffers

The Silicon Labs Si5334x family are LVDS Fanout Clock Buffers that offer low jitter characteristics of 50 fs and feature built in LDOs for high PSRR performance.


Ultra-low additive jitter: 50 fs RMS
Built-in LDOs for high PSRR performance and a reduction in external components
Up to 10 LVDS outputs (model dependent)
Multi-format inputs: LVPECL, Low-power LVPECL, LVDS, CML, HCSL, LVCMOS
Wide frequency range: DC to 200 MHz, 725 MHz or 1250 MHz (model dependent)
Output enable
Compatible with Si534x Clocks and Si5xx Oscillators

Attribute Value
Number of Elements per Chip 10
Maximum Supply Current 280 mA
Maximum Input Frequency 200MHz
Mounting Type Surface Mount
Package Type QFN
Pin Count 32
Dimensions 5 x 5 x 0.95mm
Length 5mm
Width 5mm
Height 0.95mm
Maximum Operating Supply Voltage 3.63 V
Maximum Operating Temperature +85 °C
Maximum Output Frequency 1250MHz
Minimum Operating Supply Voltage 2.97 V
Minimum Output Frequency 0MHz
Minimum Operating Temperature -40 °C
10 In stock for delivery within 2 working days
Unit of sale: Each (In a Pack of 5)
(exc. VAT)
(inc. VAT)
Per unit
Per Pack*
5 - 20
25 +
*price indicative
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