SK100ELT21WD Просмотр технического описания (PDF) - Semtech Corporation

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SK100ELT21WD

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

Semtech Corporation 

HIGH-PERFORMANCE PRODUCTS

Description

SK10/100ELT21W

Differential PECL to CMOS/TTL or

LVPECL to LVCMOS/LVTTL Translator

Features

The SK10/100ELT21W is a single differential PECL • Extended Supply Voltage Range (VCC = +3.0V

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

to 5.5V)

Since PECL (Positive ECL) levels are used, only +VCC • 2.4 ns Typical Propagation Delay

and ground are required. The small outline, 8 lead • Differential PECL Inputs

SOIC package, low skew, and the single gate design • True Complementary CMOS/TTL Output

of the SK10/100ELT21W makes it ideal for • Flow Through Pinouts

applications which require the translation of a clock • Functionally compatible with MC10/100ELT21 and

and a data signal.

MC10/100LVELT21

• 75KW Internal Input Pulldown Resistors

Unlike the TTL totem pole outputs, the outputs of the • Specified Over Industrial Temperature Range:

ELT21W can be interfaced directly to CMOS inputs with

–40oC to 85oC

better VOH (VCC – 0.5V) levels. With extended supply • ESD Protection of >4000V

voltage capability, the device is functionally compatible • Small Outline 8 Lead SOIC (150 mils) Package

with MC10/100ELT21 (5V) and MC10/100LVELT21 • Flammability Rate: UL-94 code V-0

(3.3V).

• Moisture Sensitivity: Level 1

Functional Block Diagram

NC 1

D0 2

D0* 3

PECL

PIN Names

8 VCC

TTL

7 Q0

Pin

QO

D0, D0*

VBB

VCC

GND

NC

Function

CMOS/TTL Output

Differential PECL Inputs

Referenced Voltage Output

+VCC Supply

Ground

No Connect

6 NC

VBB

4

5 GND

Revision 1/October 16, 2001

1

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