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Description

The 8S58021I is a high speed 1-to-4 Differential- to-LVPECL/ECL

Fanout Buffer. The 8S58021I is optimized for high speed and very

low output skew, making it suitable for use in demanding applications

such as SONET, 1 Gigabit and 10 Gigabit Ethernet, and Fibre

Channel. The internally terminated differential input and VREF_AC pin

allow other differential signal families such as LVDS, LVPECL and

CML to be easily interfaced to the input with minimal use of external

components.

The 8S58021I is packaged in a small 3mm x 3mm 16-pin VFQFN

package which makes it ideal for use in space-constrained

applications.

Features

? Four LVPECL/ECL outputs

? IN, nIN input can accept the following differential input levels:

LVPECL, LVDS, CML

? 50? internal input termination to VT

? Output frequency: 2.5GHz (maximum)

? Output skew: 30ps (maximum)

? Part-to-part skew: 150ps (maximum)

? Additive phase jitter, RMS: 0.02ps (typical)

? Propagation Delay: 425ps (maximum)

? LVPECL mode operating voltage supply range:

VCC = 2.375V to 3.465V, VEE = 0V

? ECL mode operating voltage supply range:

VCC = 0V, VEE = -3.465V to 2.375V

? -40°C to 85°C ambient operating temperature

? Available in lead-free (RoHS 6) package