MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Advance |
Information |
MC10ELT28 |
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TTL to |
Differential PECL/Differ- |
MC100ELT28 |
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ential PECL to TTL Translator |
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The MC10ELT/100ELT28 is a differential PECL to TTL translator and a TTL to differential PECL translator in a single package. Because PECL (Positive ECL) levels are used only +5V and ground are required. The small outline 8-lead SOIC package and the dual translation design of the ELT28 makes it ideal for applications which are sending and receiving signals across a backplane. Because the mature MOSAIC 1.5 process is used, low cost can be added to the list of features.
The ELT28 is available in both ECL standards: the 10ELT is compatible with positive MECL 10H logic levels while the 100ELT is compatible with positive ECL 100K logic levels.
•3.5ns Typical PECL to TTL Propagation Delay
•1.2ns Typical TTL to PECL Propagation Delay
•Differential PECL Inputs/Ouputs
•Small Outline SOIC Package
•PNP TTL Inputs for Minimal Loading
•24mA TTL Outputs
•Flow Through Pinouts
LOGIC DIAGRAM AND PINOUT ASSIGNMENT
DECL |
1 |
8 |
VCC |
DECL |
2 |
7 |
QTTL |
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PECL |
TTL |
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QECL |
3 |
6 |
DTTL |
QECL |
4 |
5 |
GND |
8 
1
D SUFFIX
PLASTIC SOIC PACKAGE
CASE 751-05
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PIN DESCRIPTION |
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PIN |
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FUNCTION |
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QTTL |
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TTL Output |
DTTL |
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TTL Inputs |
QECL |
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Diff ECL Outputs |
DECL |
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Diff ECL Inputs |
VCC |
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+5.0V Supply |
GND |
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Ground |
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MAXIMUM RATINGS*
Symbol |
Parameter |
Value |
Unit |
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VCC |
DC Supply Voltage (Referenced to GND) |
7.0 |
V |
TA |
Operating Temperature Range (In Free-Air) |
±40 to 85 |
°C |
TSTG |
Storage Temperature Range |
±55 to +150 |
°C |
*Maximum Ratings are those values beyond which damage to the device may occur. Functional operation should be restricted to the Recommended Operating Conditions.
This document contains information on a new product. Specifications and information herein are subject to change without notice.
1/95
Motorola, Inc. 1996 |
REV 2 |
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