MC100EL91DW Motorola, MC100EL91DW Datasheet

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MC100EL91DW

Manufacturer Part Number
MC100EL91DW
Description
Triple PECL to ECL T ranslator
Manufacturer
Motorola
Datasheet

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Triple PECL to ECL Translator
MC100LVEL91 receives low voltage PECL signals and translates them to
differential ECL output signals. The MC100EL91 receives standard
voltage PECL signals and translates them to differential ECL output
signals.
at the input. If a single ended input is to be used the V BB output should be
connected to the D input. The active signal would then drive the D input.
When used the V BB output should be bypassed to ground via a 0.01 F
capacitor. The V BB output is designed to act as the switching reference
for the EL/LVEL91 under single ended input switching conditions, as a
result this pin can only source/sink up to 0.5mA of current.
power rails. The V CC supply should be connected to the positive supply,
and the V EE pin should be connected to the negative power supply. The
GND pins are connected to the system ground plain. Both V EE and V CC
should be bypassed to ground via 0.01 F capacitors.
the D input will be pulled to GND. This condition will force the Q output to
a low, ensuring stability.
8/97
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Motorola, Inc. 1997
MC100LVEL91 Supports Low Voltage Operation
MC100LVEL91 Has 620ps Typical Propagation Delays
MC100EL91 Supports Standard Voltage Operation
MC100EL91 Has 670ps Typical Propagation Delays
Fully Differential Design
20–lead SOIC Packaging
The MC100LVEL/EL91 is a triple PECL to ECL translator. The
A V BB output is provided for interfacing with single ended PECL signals
To accomplish the level translation the EL/LVEL91 requires three
Under open input conditions, the D input will be biased at V CC /2 and
Figure 1. 20–Lead Pinout (Top View) and Logic Diagram
V CC
V CC
20
1
PECL
ECL
Q0
19
D0
2
Q0
18
D0
3
GND
17
4
PECL
ECL
Q1
16
D1
5
Q1
D1
15
6
4–1
GND
14
7
PECL
ECL
Q2
D2
13
8
Q2
D2
12
9
V EE
V CC
11
10
PIN NAMES
Pins
Dn
Qn
PECL_V BB
REV 1
20–LEAD PLASTIC SOIC WIDE PACKAGE
MC100LVEL91
MC100EL91
Function
PECL/LVPECL Inputs
ECL/LVECL Outputs
PECL Reference Voltage Output
CASE 751D–04
DW SUFFIX

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MC100EL91DW Summary of contents

Page 1

... Q0 GND ECL ECL PECL PECL Figure 1. 20–Lead Pinout (Top View) and Logic Diagram 8/97 Motorola, Inc. 1997 PIN NAMES Pins Dn Qn PECL_V BB Q1 GND ECL PECL ...

Page 2

... Symbol Characteristic Min V EE Power Supply EL91 –4.2 Voltage LVEL91 –3 Output HIGH Voltage –1085 V OL Output LOW Volrage –1830 I EE Power Supply EL91 Current LVEL91 MOTOROLA Max Min Max Min Typ Max 3.6 3.0 3.6 3.0 3.3 3.6 150 150 150 0.5 0.5 2.420 2.135 2 ...

Page 3

... Typ Max Min Typ Max Unit ps 670 770 610 710 810 670 820 560 710 860 ps 40 100 40 100 200 200 25 25 200 mV V 1.2 V –0.2 V –0 1.4 V –0.2 V –0 400 580 320 400 580 ps MOTOROLA ...

Page 4

... Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. “ ...

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