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ZL40211

2:8 LVPECL Buffer with Input Termination

Status: In Production

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Device Overview

Summary

The ZL40211 is an LVPECL clock fan out buffer with two input and eight output clock drivers capable of operating at frequencies up to 750MHz.

The ZL40211 provides an internal input termination network for DC and AC coupled inputs; optional input biasing for AC coupled inputs is also provided. The ZL40211 can accept DC or AC coupled LVPECL and LVDS input signals, AC coupled CML or HCSL input signals, and single ended signals. A pin compatible device with external termination is also available.

The ZL40211 is designed to fan out low-jitter reference clocks for wired or optical communications applications while adding minimal jitter to the clock signal. An internal linear power supply regulator and bulk capacitors minimize additive jitter due to power supply noise. The device operates from 2.5V+/-5% or 3.3V+/-5% supply. Its operation is guaranteed over the industrial temperature range -40°C to +85°C.

Additional Features
  • Low additive jitter of 106 fs RMS
  • Accepts two differential or single-ended inputs: LVPECL, LVDS, CML, HCSL, LVCMOS
  • Glitch-free switching of references
  • On-chip input termination resistors and biasing for AC coupled inputs
  • Eight precision LVPECL outputs. Operating frequency up to 750 MHz
  • Options for 2.5 V or 3.3 V power supply with core current consumption of 122 mA
  • On-chip Low Drop Out (LDO) Regulator for superior power supply rejection
Parametrics
Name
Value
Product Type
Fanout & Buffer and Drivers
Description
2:8 LVPECL buffer
Input
LVPECL/LVDS/CML/HCSL/LVCMOS
Output
LVPECL
Supply Voltage
2.5/3.3
Max Freq (GHz)
0.75
Max Prop Delay (ps)
2000
Icc (mA)
257
Max Within Device Skew (ps)
100
OE
False
RPE
False
FSI
False
Input Mux
True
Input EQ
False
Output Type
LVPECL

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Application Notes


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RoHS Information

Part Number
Device Weight (g)
Shipping Weight (grams)
Lead Count
Package Type
Package Width
Solder Composition
JEDEC Indicator
RoHS
China EFUP
ZL40211LDF1
0.070100
0.150000
32
VQFN
5x5x1mm
Matte Tin
e3
ZL40211LDG1
0.070100
0.150000
32
VQFN
5x5x1mm
Matte Tin
e3
To see a complete listing of RoHS data for this device, please Click here
Shipping Weight = Device Weight + Packing Material weight. Please contact sales office if device weight is not available.

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