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SL2304NZZC-1

P1-P3P4-P6P7-P9P10-P10
Rev 2.1, May 6, 2008 Page 1 of 9
2400 West Cesar Chavez, Austin, TX 78701 1+(512) 416-8500 1+(512) 416-9669 www.silabs.com
SL2304NZ
Not Recommended for New Designs
Key Features
DC to 140 MHz operating frequency range
Low output clock skew: 50ps-typ
Low part-to-part output skew: 100 ps-typ
Low output propogation delay: 2.5ns-typ
3.3V +/-10% operation supply voltage
Low power dissipation:
- 7 mA-typ at 33MHz
- 9 mA-typ at 66MHz
- 12 mA-typ at 133MHz
One input to four output fanout buffer drivers
Output Enable (OE) control function
Available in 8-pin TSSOP package
Available in Commercial and Industrial grades
Available in Lead (Pb) free package
Applications
General Purpose PCI/PCI-X Clock Buffer
Printers, MFPs and Digital Copiers
PCs and Work Stations
Routers, Switches and Servers
Datacom and Telecom
High-Speed Digital Embeded Systems
Description
The SL2304NZ is a low skew, jitter and power fanout
Buffer designed to produce up to four (4) clock outputs
from one (1) reference input clock, for high speed clock
distribution, including PCI/PCI-X applications.
The SL2304NZ products operate from DC to 140MHz.
The only difference between SL2304NZ-1 and SL2304NZ-
1Z is the OE logic implementation. Refer to the Available
OE Logic Configuration Table. 1
Refer to SL23EP04NZ products for DC to 220MHz-max
frequency range and 2.5V to 3.3V power supply operation,
improved skew, jitter and higher drive options.
Benefits
Up to four (4) distribution of input clock
Low propogation delay
Low output-to-output skew
Low output clock Jitter
Low power dissipation
Block Diagram
Logic
Control
CLK1
CLK2
CLK3
CLK4
CLKIN
OE
GND
VDD
Low Jitter and Skew DC to 140MHz Clock Buffer
Not Recommended
for New Designs
Rev 2.1, May 6, 2008 Page 2 of 9
SL2304NZ
Pin Configuration
1
2
3
4
8
7
6
5
CLK4
CLK3
VDD
CLK2
GND
CLK1
OE
CLKIN
8-Pin TSSOP
Pin Description
Pin
Number
Pin Name
Pin Type
Pin Description
1
CLKIN
Input
Reference Clock Input
2
OE
Output
Output Enable. Refer to the Table. 1 for Logic Table
3
CLK1
Output
Buffered Clock Output 1
4
GND
Power
Power Ground.
5
CLK2
Output
Buffered Clock Output 2
6
VDD
Output
3.3V Power Supply
7
CLK3
Power
Buffered Clock Output 3
8
CLK4
Input
Buffered Clock Output 4
Not Recommended
for New Designs
Rev 2.1, May 6, 2008 Page 3 of 9
SL2304NZ
General Description
The SL2304NZ is a low skew, jitter and power fanout
Buffer designed to produce up to four (4) clock outputs
from one (1) reference input clock, for high speed clock
distribution, including PCI/PCI-X applications.
Input and output Frequency Range
The input and output frequency is the same (1x) for
SL2304NZ-1 and SL2304NZ-1Z and operates from DC
to 140MHz clock range with up to 25pF output load.
OE (Output Enable) Function
The only difference between SL2304-1 and SL2304NZ-
1Z is the OE logic implementation. When OE=0,
SL2404NZ-1 outputs are disabled and outputs are at
Logic Low. In the case of SL2304NZ-1Z the outputs are
at High-Z. Refer to the Available OE Logic Configuration
Table. 1 below.
Output Clock Skew
All outputs should drive the similar load to achieve output-
to-output skew and input-to-output delay specifications as
given in the switching electrical tables.
Power Supply Range (VDD)
The SL2304NZ is designed to operate 3.3V+/-10% (3.63V-
max to 2.97V-min) VDD power supply range. An internal
on-chip voltage regulator is used to provide to constant
power supply of 1.8V, leading to a consistent and stable
electrical performance in terms of skew and jitter. The
SL2304NZ I/O is powered by using VDD.
Refer to SL23EP04NZ products for DC to 220MHz-max
frequency range, 2.5V to 3.3V power supply operation,
improved skew, jitter and higher drive options.
Contact SLI for 1.8V power supply Fan-Out Buffer and
ZDB products.
CLKIN (Pin-1)
OE (Pin-2)
SL2304NZ-1
CLKOUT [1:4]
SL2304NZ-1Z
CLKOUT [1:4]
Low
Low
Low
High-Z
High
Low
Low
High-Z
Low
High
Low
Low
High
High
High
High
Table 1. Available SL2304 CLKIN and OE Logic Configurations
Not Recommended
for New Designs
P1-P3P4-P6P7-P9P10-P10

SL2304NZZC-1

Mfr. #:
Buy SL2304NZZC-1
Manufacturer:
Silicon Labs
Description:
Clock Buffer 0 to 140MHz, 4 Outputs Fanout Buffer (NZDB), 3.3V
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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