MC100E211 ON Semiconductor, MC100E211 Datasheet

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MC100E211

Manufacturer Part Number
MC100E211
Description
1:6 DIFFERENTIAL CLOCK DISTRIBUTION CHIP
Manufacturer
ON Semiconductor
Datasheet

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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
1:6 Differential Clock
Distribution Chip
explicitly for low skew clock distribution applications. The device can be
driven by either a differential or single-ended ECL or, if positive power
supplies are used, PECL input signal (PECL is an acronym for Positive
ECL, PECL levels are ECL levels referenced to +5V rather than ground).
If a single-ended input is to be used the V BB pin should be connected to
the CLK input and bypassed to ground via a 0.01 F capacitor. The V BB
supply is designed to act as the switching reference for the input of the
E211 under single-ended input conditions, as a result this pin can only
source/sink up to 0.5mA of current.
of a lower speed scan or test clock along with the high speed system
clock. When LOW (or left open in which case it will be pulled LOW by the
input pulldown resistor) the SEL pin will select the differential clock input.
negative transition of the CLK (or SCLK) input. The enabling function is synchronous so that the outputs will only be
enabled/disabled when the outputs are already in the LOW state. In this way the problem of runt pulse generation during the
disable operation is avoided. Note that the internal flip flop is clocked on the falling edge of the input clock edge, therefore all
associated specifications are referenced to the negative edge of the CLK input.
distributing higher frequency signals than capable with the E111 device. Because of these edge rates and the tight skew limits
guaranteed in the specification, there are certain termination guidelines which must be followed. For more details on the
recommended termination schemes please refer to the applications information section of this data sheet.
FUNCTION TABLE
* Z = Negative transition of CLK or SCLK
ECLinPS is a trademark of Motorola Inc.
5/95
Motorola, Inc. 1996
Guaranteed Low Skew Specification
Synchronous Enabling/Disabling
Multiplexed Clock Inputs
V BB Output for Single-Ended Use
Internal 75k Input Pulldown Resistors
Common and Individual Enable/Disable Control
High Bandwidth Output Transistors
Extended 100E V EE Range of –4.2V to –5.46V
The MC10E/100E211 is a low skew 1:6 fanout device designed
The E211 features a multiplexed clock input to allow for the distribution
Both a common enable and individual output enables are provided. When asserted the positive output will go LOW on the next
The output transitions of the E211 are faster than the standard ECLinPS
CLK
H/L
Z*
X
SCLK
H/L
Z*
X
SEL
H
X
L
ENx
H
L
L
2–1
SCLK
CLK
Q
L
edge rates. This feature provides a means of
CLOCK DISTRIBUTION CHIP
REV 3
MC100E211
1:6 DIFFERENTIAL
MC10E211
PLASTIC PACKAGE
CASE 776-02
FN SUFFIX

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MC100E211 Summary of contents

Page 1

... SEL ENx H H Negative transition of CLK or SCLK ECLinPS is a trademark of Motorola Inc. 5/95 Motorola, Inc. 1996 CLOCK DISTRIBUTION CHIP edge rates. This feature provides a means CLK L SCLK H L 2–1 REV 3 MC10E211 MC100E211 1:6 DIFFERENTIAL FN SUFFIX PLASTIC PACKAGE CASE 776-02 ...

Page 2

... MC10E211 MC100E211 EN3 26 SEL 27 SCLK CLK 2 CLK EN0 CLK CLK SCLK SEL EN1-4 CEN EN5 V BB MOTOROLA EN4 EN5 V CC0 CEN EN2 EN1 EN0 V CC0 ...

Page 3

... Note –0.4 Note 150 400 150 400 2–3 MC10E211 MC100E211 85 C Min Typ Max Unit Condition V –1.31 –1.19 –1.38 –1.26 150 A mA 119 160 137 164 85 C Min Typ Max Unit ...

Page 4

... MC10E211 MC100E211 General Description The MC10E/100E211 is a 1:6 fanout tree designed explicitly for low skew high speed clock distribution. The device was targeted to work in conjunction with the E111 device to provide another level of flexibility in the design and implementation of clock distribution trees. The individual ...

Page 5

... On initial power up the enable flip flops will randomly attain a stable state, therefore precautions should be taken on initial power up to ensure the E211 is in the desired state. IN 0.001 F IN Figure 2a. AC Coupled Input IN IN Figure 2b. Single-Ended Input 2–5 MC10E211 MC100E211 MOTOROLA ...

Page 6

... MC10E211 MC100E211 -N- - 0.010 (0.250 – NOTES: 1. DATUMS -L-, -M-, AND -N- DETERMINED WHERE TOP OF LEAD SHOULDER EXITS PLASTIC BODY AT MOLD PARTING LINE. 2. DIM G1, TRUE POSITION TO BE MEASURED AT DATUM -T-, SEATING PLANE. 3. DIM R AND U DO NOT INCLUDE MOLD FLASH. ...

Page 7

... INTERNET: http://Design–NET.com ECLinPS and ECLinPS Lite DL140 — Rev 4 MC10E211 MC100E211 are registered trademarks of Motorola, Inc. Motorola, Inc Equal JAPAN: Nippon Motorola Ltd.; Tatsumi–SPD–JLDC, 6F Seibu–Butsuryu–Center, 3–14–2 Tatsumi Koto–Ku, Tokyo 135, Japan. 03–81–3521–8315 ASIA/PACIFIC: Motorola Semiconductors H.K. Ltd. ...

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