SK10ELT21WU datasheet(1/5 Pages) SEMTECH

Part #	SK10ELT21WU

Description	Differential PECL to CMOS/TTL or LVPECL to LVCMOS/LVTTL Translator

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Manufacturer	SEMTECH [Semtech Corporation]

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Revision 1/October 16, 2001

SK10/100ELT21W

Differential PECL to CMOS/TTL or

LVPECL to LVCMOS/LVTTL Translator

Description

Features

Functional Block Diagram

PIN Names

The SK10/100ELT21W is a single differential PECL

to CMOS/TTL or LVPECL to LVCMOS/LVTTL Translator.

Since PECL (Positive ECL) levels are used, only +VCC

and ground are required.

The small outline, 8 lead

SOIC package, low skew, and the single gate design

of the SK10/100ELT21W makes it ideal for

applications which require the translation of a clock

and a data signal.

Unlike the TTL totem pole outputs, the outputs of the

ELT21W can be interfaced directly to CMOS inputs with

better VOH (VCC – 0.5V) levels. With extended supply

voltage capability, the device is functionally compatible

with MC10/100ELT21 (5V) and MC10/100LVELT21

(3.3V).

•

Extended Supply Voltage Range (VCC = +3.0V

to 5.5V)

•

2.4 ns Typical Propagation Delay

•

Differential PECL Inputs

•

True Complementary CMOS/TTL Output

•

Flow Through Pinouts

•

Functionally compatible with MC10/100ELT21 and

MC10/100LVELT21

•

75K

W Internal Input Pulldown Resistors

•

Specified Over Industrial Temperature Range:

–40oC to 85oC

•

ESD Protection of >4000V

•

Small Outline 8 Lead SOIC (150 mils) Package

•

Flammability Rate: UL-94 code V-0

•

Moisture Sensitivity: Level 1

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VCC

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GND

TTL

PECL

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SK10ELT21WU Datasheet(PDF) 1 Page - Semtech Corporation

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