AK8181D

3.3V LVPECL 1:4 Clock Fanout Buffer

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Description

The AK8181D is a member of AKM’s LVPECL clock fanout buffer family designed for telecom, networking and computer applications, requiring a range of clocks with high performance and low skew. The AK8181D distributes 4 buffered clocks.

AK8181D are derived from AKM’s long-term- experienced clock device technology, and enable clock output to perform low skew. The AK8181D is available in a 20-pin TSSOP package.

Key Features

Four differential 3.3V LVPECL outputs

Selectable differential PCLK0p/n or LVPECL clock inputs

PCLK0p/n pair can accept the following differential input levels; LVDS, LVPECL, LVHSTL, SSTL, HCSL

PCLK1p/n supports the following input types; LVPECL, CML, SSTL

Clock output frequency up to 650MHz

Translates any single-ended input signal to 3.3V LVPECL levels with resistor bias on PCLK0n input

Output skew : 30ps maximum

Part-to-part skew : 150ps maximum

Propagation delay : 1.5ns maximum

Additive phase jitter(RMS) : 0.040ps (typical)

Operating Temperature Range: -40 to +85℃

Package: 20-pin TSSOP (Pb free)

Pin compatible with ICS8533I-01

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Block Diagram

Block Diagram

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