Diodes Incorporated
Back to Single Ended Clock Buffers

PI49FCT3802 (Obsolete)

3.3V, 156MHz, 1:5 Output Low Skew Clock Driver

NOTE: Datasheet may not yet reflect updated package obsolescence/phase out status or Package Drawing. Please refer to the BUY NOW 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.
Contact Sales

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

Product Description

The PI49FCT380x is a 3.3V compatible, high-speed, low-noise non-inverting clock buffer. The key goal in designing the PI6C380x is to target networking applications that require lowskew, low-jitter, and high-frequency clock distribution. Providing output-to-output skew as low as 250ps, the PI49FCT380x is an ideal clock distribution device for synchronous systems. Designing synchronous networking systems requires a tight level of skew from a large number of outputs.


  • High Frequency >156 MHz
  • High-speed, low-noise, non-inverting buffer
    - PI49FCT3802 is 1:5 buffer
    - PI49FCT3803 is 1:7 buffer
  • Low-skew (<250ps) between any two output clocks
  • Low duty cycle distortion <250ps
  • Low propagation delay <2.5ns
  • 5V Tolerant input
  • Multiple VDD, GND pins for noise reduction
  • 3.3V supply voltage
  • Packaging (Pb-free & Green available):
    - 16-pin TSSOP (L) 
    - 16-pin QSOP (Q)

Product Specifications

Product Parameters

Compliance(Only Automotive supports PPAP) Standard
Function Buffer
Number of Outputs 5
Output Type(s) CMOS
Maximum Output Frequency (MHz) 156
Additive Jitter (ps) N/A
Supply Voltage (V) 3.3
Input Type(s) CMOS
Skew (ps) 250
Ambient or Junction Temperature (°C) 0 to 70 °C

Technical Documents

Recommended Soldering Techniques


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-2326 - Rev 3 (Interim Update) 2018-04-20 2020-12-30 Fab Porting from Global Foundries to MagnaChip