sy100el14v Micrel Semiconductor, sy100el14v Datasheet

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sy100el14v

Manufacturer Part Number
sy100el14v
Description
Sy100el14v 5v/3.3v 1 5 Clock Distribution
Manufacturer
Micrel Semiconductor
Datasheet

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M9999-031006
hbwhelp@micrel.com or (408) 955-1690
Micrel, Inc.
Precision Edge is a registered trademark of Micrel, Inc.
FEATURES
3.3V and 5V power supply options
Typical 30ps output-to-output skew
Max. 50ps output-to-output skew
Synchronous enable/disable
Multiplexed clock input
75K internal input pull-down resistors
Available in 20-pin SOIC package
5V/3.3V 1:5 CLOCK
DISTRIBUTION
1
chip designed 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. The EL14V is
suitable for operation in systems operating from 3.3V to
5.0V supplies. If a single-ended input is to be used the
V
bypassed to ground via a 0.01 F capacitor. The V
output is designed to act as the switching reference for
the input of the EL14V under single-ended input
conditions, as a result this pin can only source/sink up to
0.5mA of current.
for the distribution of a lower speed scan or test clock
along with the high speed system clock. When LOW (or
left open and pulled LOW by the input pull-down resistor)
the SEL pin will select the differential clock input.
outputs will only be enabled/disabled when they are
already in the LOW state. This avoids any chance of
generating a runt clock pulse when the device is enabled/
disabled as can happen with an asynchronous control.
The internal flip flop is clocked on the falling edge of the
input clock, therefore all associated specification limits
are referenced to the negative edge of the clock input.
will pull down to V
V
BB
CC
DESCRIPTION
The SY100EL14V is a low skew 1:5 clock distribution
The EL14V features a multiplexed clock input to allow
The common enable (EN) is synchronous so that the
When both differential inputs are left open, CLK input
/2.
output should be connected to the CLK input and
EE
and CLK input will bias around
Precision Edge
SY100EL14V
Rev.: D
Issue Date:
Precision Edge
Precision Edge
SY100EL14V
Amendment: /0
March 2006
®
BB
®
®

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sy100el14v Summary of contents

Page 1

... CLOCK DISTRIBUTION DESCRIPTION The SY100EL14V is a low skew 1:5 clock distribution chip designed 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. The EL14V is suitable for operation in systems operating from 3 ...

Page 2

... Note next negative transition of CLK or SCLK 2 Precision Edge Operating Package Range Marking Commercial SY100EL14VZC Commercial SY100EL14VZC Industrial SY100EL14VZI Industrial SY100EL14VZI Industrial SY100EL14VZG with Pb-Free bar-line indicator Industrial SY100EL14VZG with Pb-Free bar-line indicator = Electricals only. A SCLK SEL ...

Page 3

... V EE ® Precision Edge SY100EL14V Unit VDC VDC Max. Unit -880 mV mV — mV -1610 mV -880 mV -1475 mV — A — 150 A ...

Page 4

... V . The numbers in the specification CMR EE (Min)|. CMR ® SY100EL14V Max. Unit ps 830 880 880 200 ps 50 — ps — ps — -0.4 -0.4 500 ps ...

Page 5

... Micrel Products for use in life support appliances, devices or systems is at Purchaser’s own risk and Purchaser agrees to fully indemnify M9999-031006 hbwhelp@micrel.com or (408) 955-1690 + 1 (408) 474-1000 FAX WEB Micrel for any damages resulting from such use or sale. © 2006 Micrel, Incorporated. 5 Precision Edge Rev. 03 http://www.micrel.com ® SY100EL14V ...

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