Diodes Menu Close
Back to Differential Clock Buffers


1:4 Selectable Differential Buffer

Contact Sales

Log in or register to manage email notifications about changes to datasheets or PCNs for this part.

Product Description

The PI6C49S1504 is a high performance fanout buffer devicewhich supports up to 1.5GHz frequency. The device also uses Diodes' proprietary input detection technique to make sure illegal input conditions will be detected and reflected by output states. This device is ideal for systems that need to distribute low jitter clock signals to multiple destinations.


  • 4 differential outputs with 2 banks
  • User configurable output signaling standard for each bank: LVDS or LVPECL or HCSL
  • LVCMOS reference output up to 200MHz
  • Up to 1.5GHz output frequency for differential outputs
  • Ultra low additive phase jitter: < 0.03 ps (typ) (differential 156.25MHz, 12KHz to 20MHz integration range)
  • Selectable reference inputs support either single-ended or differential or Xtal
  • Low skew between outputs within banks (<40ps)
  • Low delay from input to output (Tpd typ. < 1.5ns)
  • Separate Input output supply voltage for level shifting
  • 2.5V / 3.3V power supply
  • Industrial temperature support
  • TSSOP-28 package


  • Networking systems including switches and Routers
  • High frequency backplane based computing and telecom platforms

Product Specifications

Product Parameters

Function Buffer
Number of Outputs 4
Output Type(s) Selectable Differential
Maximum Output Frequency (MHz) 1500
Additive Jitter (ps) 0.03
Supply Voltage (V) 2.5, 3.3
Input Type(s) Crystal, LVTTL, LVCMOS, Differential
Skew (ps) 40
Ambient or Junction Temperature (°C) -40 to 85

Technical Documents

Recommended Soldering Techniques


Orderable Part Number Status Package Environmental Compliance Packing Buy from Distributor /
Contact Sales
Request Samples
Qty. Carrier
PI6C49S1504LIE Active TSSOP-28 GREEN 50 TUBE Contact Sales Request Sample
PI6C49S1504LIEX Active TSSOP-28 TPGP 3000 T&R Contact Sales Request Sample

Environmental Compliance Legend:
LFF: Pb-Free Finish and RoHS 5/6
TLFP: Totally Pb-Free Product and RoHS 6/6
LFGP: Pb-free Finish and Green Product, RoHS 5/6 and Halogen Free
TPGP: Totally Pb-Free and Green Product, RoHS 6/6 and Halogen Free
GREEN: Halogen-free and RoHS compliant
RoHS: RoHS compliant but NOT halogen-free