VSC8115-05, VSC8115-06
155 Mbps and 622 Mbps Clock and Data Recovery Units
Microsemi’s newly improved multirate clock and data recovery (CDR)
devices provide exceptional input sensitivity, jitter tolerance, and jitter
transfer performance.
The VSC8115-05 and VSC8115-06 devices derive high-speed timing
signals for SONET/SDH-based equipment. The devices are designed
to operate with SONET framer or ASIC devices to provide a low-power,
high-speed clock and data recovery interface for optical networks.
The devices achieve impressive jitter tolerance of 0.45 UI, jitter input
sensitivity of 150 mV, and jitter transfer compliance in JMODE. Meets all
Telcordia, ANSI, ITU-T, and SONET jitter requirements.
The VSC8115-05 and VSC8115-06 feature signal and lock-detect
status outputs, automatic lock-to-reference, and PLL bypass for on-
board debugging. High-speed outputs are configurable for either
LVPECL or LVDS.
Available in a 20-pin TSSOP package for flexible implementation
and simplified layout, the VSC8115-05 device supports commercial
temperature ranges, and the VSC8115-06 supports industrial
temperature ranges. Both devices come in tape and reel form and are
available in lead(Pb)-free versions.
Applications
• SONET/SDH and DWDM transport
systems
• Multiservice access platforms and add/
drop multiplexers
• ATM switches and routers
• Digital cross-connect systems
• Optical test equipment
Highlights
• Superior jitter tolerance and transfer jitter
performance
• Low power dissipation
• Single CDR unit for both 155 Mbps and
622 Mbps applications
VSC8115-05
VSC8115-06
STS12
Divider
CAP
VCO
BYPASS
DATAIN ±
SD
LOCKREFN
0
REFCLK
1
2
CLKOUT ±
2
Phase/ Loop Filter
Frequency
Detector
LOCKDET
DATAOUT ±
2
Microsemi makes no warranty, representation, or guarantee regarding the information contained herein or the suitability of its products and services for any particular purpose, nor does Microsemi assume any liability
whatsoever arising out of the application or use of any product or circuit. The products sold hereunder and any other products sold by Microsemi have been subject to limited testing and should not be used in conjunction
with mission-critical equipment or applications. Any performance specifications are believed to be reliable but are not verified, and Buyer must conduct and complete all performance and other testing of the products, alone
and together with, or installed in, any end-products. Buyer shall not rely on any data and performance specifications or parameters provided by Microsemi. It is the Buyer’s responsibility to independently determine suitability
of any products and to test and verify the same. The information provided by Microsemi hereunder is provided “as is, where is” and with all faults, and the entire risk associated with such information is entirely with the Buyer.
Microsemi does not grant, explicitly or implicitly, to any party any patent rights, licenses, or any other IP rights, whether with regard to such information itself or anything described by such information. Information provided in
this document is proprietary to Microsemi, and Microsemi reserves the right to make any changes to the information in this document or to any products and services at any time without notice.
VSC8115-05, VSC8115-06
155 Mbps and 622 Mbps Clock and Data Recovery Units
Features
•
•
•
•
Automatic lock-to-reference
Signal and lock-detect status outputs
PLL bypass for on-board debugging
High-speed LVPECL or LVDS outputs
Key Specifications
•
•
•
•
•
3.3 V power supply
155 mW typical power dissipation
Commercial temperature range: 0°C to 85°C
Industrial temperature range: –40°C to 95°C
20-pin, 4.4 mm × 6.5 mm TSSOP package
Requirements
• Telcordia, ANSI, ITU-T G.783, and G.825 SDH
• GR-253 CORE and GR-253 ILR SONET
• T1.105.03-2002 SONET
Related Products
Visit www.microsemi.com for information about other related
products.
OC-3 Jitter Tolerance Minimum Specifications
100
100
Input Jitter Amplitude (UIpp)
OC-12 Jitter Tolerance Minimum Specifications
10
Jitter (UIp-p)
10
1
VSC8115-05 and VSC8115-06
Typical Performance
0.1
Telec ordia Requirements
1
VSC8115-05 and VSC8115-06
Typical Performance
0.1
Telec ordia Requirements
0.01
1
10
100
1K
10K
100K
1M
10M
Jitter Frequency (Hz)
0.01
1
10
100
1K
10K
100K
1M
10M
Jitter Frequency (Hz)
Microsemi Corporate Headquarters
One Enterprise, Aliso Viejo, CA 92656 USA
Within the USA: +1 (800) 713-4113
Outside the USA: +1 (949) 380-6100
Sales: +1 (949) 380-6136
Fax: +1 (949) 215-4996
email: sales.support@microsemi.com
www.microsemi.com
Microsemi Corporation (Nasdaq: MSCC) offers a comprehensive portfolio of semiconductor and system solutions for com-
munications, defense and security, aerospace, and industrial markets. Products include high-performance and radiation-
hardened analog mixed-signal integrated circuits, FPGAs, SoCs, and ASICs; power management products; timing and
synchronization devices and precise time solutions; voice processing devices; RF solutions; discrete components; enter-
prise storage and communications solutions, security technologies, and scalable anti-tamper products; Ethernet solutions;
Power-over-Ethernet ICs and midspans; custom design capabilities and services. Microsemi is headquartered in Aliso Viejo,
California, and has approximately 4,800 employees worldwide. Learn more at www.microsemi.com.
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and service marks are the property of their respective owners.
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