SY100EL15LZG Micrel Inc, SY100EL15LZG Datasheet
SY100EL15LZG
Manufacturer Part Number
SY100EL15LZG
Description
IC CLOCK DISTR 1:4 3.3V 16-SOIC
Manufacturer
Micrel Inc
Type
Fanout Buffer (Distribution), Multiplexerr
Series
100EL, Precision Edge®r
Specifications of SY100EL15LZG
Number Of Circuits
1
Ratio - Input:output
2:4
Differential - Input:output
Yes/Yes
Input
ECL, PECL
Output
ECL, PECL
Voltage - Supply
3 V ~ 3.8 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
16-SOIC (3.9mm Width)
Clock Ic Type
Clock Distribution
No. Of Outputs
4
Supply Current
25mA
Supply Voltage Range
3V To 3.6V
Digital Ic Case Style
SOIC
No. Of Pins
16
Operating Temperature Range
-40°C To +85°C
Number Of Clock Inputs
2
Operating Supply Voltage (min)
-2.97V
Operating Supply Voltage (typ)
-3.3V
Operating Supply Voltage (max)
-3.63V
Package Type
SOIC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Signal Type
ECL
Mounting
Surface Mount
Pin Count
16
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Frequency-max
-
Lead Free Status / RoHS Status
Compliant, Lead free / RoHS Compliant
Other names
576-1974-5
SY100EL15LZG
SY100EL15LZG
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
SY100EL15LZG
Manufacturer:
MICREL
Quantity:
204
Micrel
© 1999 Micrel
Synergy™ High-Speed Products
FEATURES
PIN CONFIGURATION/BLOCK DIAGRAM
PIN NAMES
3.3V power supply
50ps output-to-output skew
Low power
Synchronous enable/disable
Multiplexed clock input
75K internal input pull-down resistors
ESD protection of 2000V
Available in 16-pin SOIC package
CLK
SCLK
EN
SEL
V
Q
Pin
BB
0-3
Q
16
1
0
EN
Q
15
2
0
D
Q
SCLK
Q
14
3
1
Differential Clock Inputs
Synchronous Clock Input
Synchronous Enable
Clock Select Input
Reference Output
Differential Clock Outputs
TOP VIEW
CLK
1
Q
13
4
1
SOIC
0
CLK
12
Q
5
2
Function
V
11
Q
BB
6
2
SEL
Q
10
7
3
V
9
8
EE
3.3V 1:4 CLOCK
DISTRIBUTION
1
IC 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. If a single-ended
input is to be used the V
to the CLK input and bypassed to ground via a 0.01 F
capacitor. The V
switching reference for the input of the EL15 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
* On next negative transition of CLK or SCLK
CC
DESCRIPTION
TRUTH TABLE
The SY100EL15L is a low skew 1:4 clock distribution
The EL15 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
CLK
/2.
H
L
X
X
X
SCLK
X
X
H
X
L
BB
EE
output is designed to act as the
and CLK input will bias around
BB
SEL
H
H
X
L
L
output should be connected
ClockWorks™
EN
H
L
L
L
L
Rev.: A
Issue Date: December 1999
SY100EL15L
ClockWorks™
SY100EL15L
Amendment: /0
L*
Q
H
H
L
L
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SY100EL15LZG Summary of contents
Page 1
Micrel Synergy™ High-Speed Products FEATURES 3.3V power supply 50ps output-to-output skew Low power Synchronous enable/disable Multiplexed clock input 75K internal input pull-down resistors ESD protection of 2000V Available in 16-pin SOIC package PIN CONFIGURATION/BLOCK DIAGRAM CLK CLK V EN SCLK ...
Page 2
Micrel ABSOLUTE MAXIMUM RATINGS Symbol V Power Supply ( Input Voltage ( Output Current OUT T Operating Temperature Range A NOTES: 1. Absolute maximum rating, beyond which, device life may be impaired, unless otherwise ...
Page 3
Micrel AC ELECTRICAL CHARACTERISTICS ( 3.3V 10 GND EE CC Symbol Parameter t Propagation Delay PLH t CLK to Q (Diff) PHL CLK to Q (SE) SCLK to Q (1) t Part-to-Part Skew skew Within-Device Skew ...
Page 4
... TEL This information is believed to be accurate and reliable, however no responsibility is assumed by Micrel for its use nor for any infringement of patents or other rights of third parties resulting from its use. No license is granted by implication or otherwise under any patent or patent right of Micrel Inc (408) 914-7878 http://www ...