SY100EL34 MICREL [Micrel Semiconductor], SY100EL34 Datasheet

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SY100EL34

Manufacturer Part Number
SY100EL34
Description
Manufacturer
MICREL [Micrel Semiconductor]
Datasheet

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Micrel, Inc.
Precision Edge is a registered trademark of Micrel, Inc.
M9999-031006
hbwhelp@micrel.com or (408) 955-1690
FEATURES
3.3V and 5V power supply options
50ps output-to-output skew
Synchronous enable/disable
Master Reset for synchronization
Internal 75K input pull-down resistors
Available in 16-pin SOIC package
PIN NAMES
CLK
EN
MR
V
Q
Q
Q
Pin
BB
0
1
2
Differential Clock Inputs
Synchronous Enable
Master Reset
Reference Output
Differential 2 Outputs
Differential 4 Outputs
Differential 8 Outputs
Function
5V/3.3V 2, 4, 8 CLOCK
GENERATION CHIP
1
generation chips designed explicitly for low skew clock
generation applications. The internal dividers are
synchronous to each other, therefore, the common output
edges are all precisely aligned. The devices can be driven
by either a differential or single-ended ECL or, if positive
power supplies are used, PECL input signal. In addition,
by using the V
coupled into the device. If a single-ended input is to be
used, the V
input and bypassed to ground via a 0.01 F capacitor.
The V
reference for the input of the EL34/L under single-ended
input conditions. As a result, this pin can only source/
sink up to 0.5mA of current.
internal dividers will only be enabled/disabled when the
internal clock is already in the LOW state. This avoids
any chance of generating a runt clock pulse on the
internal clock when the device is enabled/disabled as
can happen with an asynchronous control. An internal
runt pulse could lead to losing synchronization between
the internal divider stages. The internal enable flip-flop is
clocked on the falling edge of the divider stages. The
internal enable 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.
state; the master reset (MR) input allows for the
synchronization of the internal dividers, as well as for
multiple EL34/Ls in a system.
DESCRIPTION
The SY10/100EL34/L are low skew
The common enable (EN) is synchronous so that the
Upon start-up, the internal flip-flops will attain a random
BB
output is designed to act as the switching
BB
BB
output should be connected to the CLK
output, a sinusoidal source can be AC-
Precision Edge
SY100EL34/L
Precision Edge
Rev.: H
Issue Date: March 2006
SY10EL34/L
2,
Precision Edge
SY100EL34/L
4, 8 clock
SY10EL34/L
Amendment: /0
®
®
®

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SY100EL34 Summary of contents

Page 1

... Upon start-up, the internal flip-flops will attain a random state; the master reset (MR) input allows for the synchronization of the internal dividers, as well as for multiple EL34/ system. 1 ® Precision Edge SY10EL34/L ® Precision Edge SY100EL34/L SY10EL34/L SY100EL34/L ® Precision Edge clock Rev.: H Amendment: /0 Issue Date: March 2006 ...

Page 2

... Industrial SY10EL34LZI Industrial SY10EL34LZI Industrial SY100EL34LZI Industrial SY100EL34LZI Industrial SY10EL34LZG with Pb-Free bar-line indicator Industrial SY10EL34LZG with Pb-Free bar-line indicator Industrial SY100EL34LZG with Pb-Free bar-line indicator Industrial SY100EL34LZG with Pb-Free bar-line indicator = Electricals only. A ® Lead Finish Sn-Pb Sn-Pb Sn-Pb Sn-Pb Sn-Pb Sn-Pb Sn-Pb Sn-Pb Pb-Free NiPdAu Pb-Free ...

Page 3

... Series: 10EL34 Series 10/100EL34L Series: min. and 1V. The lower end of the CMR range varies 1:1 with V PP (min) will be fixed at 3.3V – IV CMR 3 Precision Edge SY10EL34/L SY100EL34 Min. Typ. Max. Min. Typ. Max. — ...

Page 4

... The outputs will transition to their next states in the same manner, time and relationship as they would have had the EN signal not been asserted. M9999-031006 hbwhelp@micrel.com or (408) 955-1690 Internal Clock Internal Clock Disabled Enabled 4 ® Precision Edge SY10EL34/L SY100EL34/L ...

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 SY100EL34/L Rev. 02 http://www.micrel.com ® SY10EL34/L ...

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