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PI6C48543 (Not Recommended for New Design (NRND))

NRND = Not Recommended for New Design

3.3V, Low Skew Differential to LVDS Fanout Buffer

NOTE: Datasheet may not yet reflect updated package obsolescence/phase out status or Package Drawing. Please refer to the PRODUCT OPTIONS tab for the most up to date package options and drawings. Please refer to PCN/PDN tabs for most current package obsolescence/phase out status.
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Product Description

The PI6C48543 is a high-performance low-skew LVDS fanout buffer. PI6C48543 features two selectable differential inputs and translates to four LVDS outputs. The inputs can also be confi gured to single-ended with external resistor bias circuit. The CLK input accepts LPECL or LVDS or LVHSTL or SSTL or HCSL signals, and PCLK input accepts LVPECL or SSTL or CML signals. The outputs are synchronized with input clock during asynchronous assertion/deassertion of CLK_EN pin. PI6C48543 is ideal for differential to LVDS translations and/or LVDS clock distribution. Typical clock translation and distribution applications are datacommunications and telecommunications.


  • Maximum operation frequency: 800 MHz
  • 4 pair of differential LVDS outputs
  • Selectable differential CLK and PCLK inputs
  • CLK, nCLK pair accepts LVDS, LVPECL, LVHSTL, SSTL and HCSL input level
  • PCLK, nPCLK pair supports LVPECL, CML and SSTL input level
  • Output Skew: 40ps (maximum)
  • Part-to-part skew: 300ps (maximum)
  • Propagation delay: 2.2ns (maximum)
  • 3.3V power supply
  • Pin-to-pin compatible to ICS8543
  • Operating Temperature: -40°C to 85°C
  • Packaging (Pb-free & Green):
    -20-pin TSSOP (L)

Product Specifications

Product Parameters

Function Buffer
Number of Outputs 4
Output Type(s) LVDS
Maximum Output Frequency (MHz) 800
Additive Jitter (ps) 0.05
Supply Voltage (V) 3.3
Input Type(s) Differential
Skew (ps) 40
Ambient or Junction Temperature (°C) -40 to 85

Technical Documents

Design tool model software

Recommended Soldering Techniques


Orderable Part Number Status Package Environmental Compliance Packing Buy from Distributor /
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Qty. Carrier
PI6C48543LE Obsolete TSSOP-20 LFGP 74 TUBE
PI6C48543LEX Not Recommended for New Design (NRND) TSSOP-20 TPGP 3000 T&R Contact Sales

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

Product Change Notices (PCNs)

A PCN may only apply to specific orderable part numbers in this datasheet. Please refer to the corresponding PCN to see the exact orderable part number(s) affected.

PCN # Issue Date Implementation Date Subject
PCN-2428 2019-11-12 2020-02-12 Assembly & Test Site Porting from OSE to Greatek