S L23E P 0 5
Not Recommended for New Designs
LOW JITTER AND SKEW 10 TO 220 MHZ ZERO DELAY
B U F F E R ( Z DB)
Features
10 to 220 MHz operating
frequency range
Low output clock jitter:
Low power dissipation:
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50
20
16
mA-max at 66 MHz and
VDD = 3.3 V
14 mA-max at 66 MHz and
VDD = 2.5 V
ps-typ cycle-to-cycle jitter
ps-typ period jitter
Low output-to-output skew:
30 ps-typ
Low product-to-product skew:
60 ps-typ
Wide 2.5 V to 3.3 V power supply
range
One input drives five outputs
organized as 4+1
SpreadThru™ PLL that allows
use of SSCG
Standard and High-Drive options
Available in 8 pin SOIC and
TSSOP packages
Available in Commercial and
Industrial grades
Applications
Printers and MFPs
Digital Copiers
PCs and Work Stations
Ordering Information:
See page 14.
Pin Assignments
Routers, Switchers and Servers
Digital Embedded Systems
SL23EP05
Benefits
Up to five distribution of input
clock
Standard and High-Drive levels
to control impedance level,
frequency range and EMI
Low power dissipation, jitter and
skew
Low cost
Description
Patents pending
The SL23EP05 is a low skew, low jitter, and low power Zero Delay Buffer
(ZDB) designed to produce up to five clock outputs from one reference input
clock for high speed clock distribution applications. The product has an onchip PLL which locks to the input clock at CLKIN and receives its feedback
internally from the CLKOUT pin.
The SL23EP05 is available with two drive strength versions called –1 and
–1H. The –1 is the standard-drive version and –1H is the high-drive version.
The SL23EP05 high-drive version operates up to 220 MHz and 180 MHz at
3.3 V and 2.5 V power supplies, respectively. The standard drive version –1
operates up to 200 MHz and 167 MHz at 3.3 V and 2.5 V, respectively.
The SL23EP05 enter into Power Down (PD) mode if the input at CLKIN is
less then 2.0 MHz or there is no rising edge. In this state all five outputs are
tri-stated and the PLL is turned off leading to less than 10 μA of power
supply current draw.
Rev. 2.2 5/15
Copyright © 2015 by Silicon Laboratories
SL23EP05
SL2 3EP 05
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Functional Block Diagram
2
Rev. 2.2
SL 2 3 E P 05
TA B L E O F C O N T E N T S
Section
Page
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1. Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
2. General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
3. Input and Output Frequency Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
4. SpreadThru™ Feature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
5. High and Low-Drive Product Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
6. Skew and Zero Delay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
7. Power Supply Range (VDD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
8. External Components and Design Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
8.1. Comments and Recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
8.2. Switching Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
9. Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
10. Package Outline and Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
10.1. 8-Lead SOIC (150 mm) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
11. Ordering Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Contact Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Rev. 2.2
3
SL2 3EP 05
1. Electrical Specifications
Table 1. DC Electrical Specifications (VDD = 3.3 V)
Unless otherwise stated for both C and I Grades.
Parameter
Min
Max
Unit
VDD
3.0
3.6
V
Input LOW Voltage
VIL
—
0.8
V
Input HIGH Voltage
VIH
2.0
VDD+0.3
V
Input Leakage Current
IIL
0 < VIN < 0.8 V
—
±10
μA
Input HIGH Current
IIH
VIN = VDD
—
100
μA
Output LOW Voltage
VOL
IOL = 8 mA (Standard Drive)
—
0.4
V
IOL = 12 mA (High Drive)
—
0.4
V
IOH = –8 mA (Standard Drive)
2.4
—
V
IOH = –12 mA (High Drive)
2.4
—
V
CLKIN = 0 MHz (Commercial)
—
10
μA
CLKIN = 0 MHz (Industrial)
—
25
μA
All Outputs CL = 0, 66-MHz CLKIN
—
16
mA
Min
Max
Unit
VDD
2.3
2.7
V
Input LOW Voltage
VIL
—
0.7
V
Input HIGH Voltage
VIH
1.7
VDD+ 0.3
V
Input Leakage Current
IIL
0
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