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VSC8221XHH, VSC8222, VSC8222EV

Table of contents:
Info of VSC8221XHH
Info of VSC8222
Info of VSC8222EV

VSC8221XHH, VSC8222, VSC8222EV Selling Leads, Datasheet

MFG:800 D/C:VITESSE

VSC8221XHH, VSC8222, VSC8222EV Datasheet download

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Part Number: VSC8221XHH

MFG: 800

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D/C: VITESSE

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VSC8222 General Description

The VSC8222 and VSC8223 are high performance, multi-rate clock and data recovery ICs that support SONET/SDH systems operating at OC-48 (STM-16), OC-12 (STM-4), OC-3 (STM- 1), Fibre Channel (1.0625 Gbps and 2.125 Gbps), Gigabit Ethernet (1.25 Gbps and 2.5 Gbps), and FEC data rates. High speed input and output signals are terminated on-chip to maintain the highest degree of signal integrity possible. The devices output a differential bit clock and differential retimed data.

Two selectable, externally supplied reference clock inputs support the Phase Lock Loop (PLL) operation and are used to maintain a lock condition when the high-speed data is missing at the input. The PLL has four different Loop bandwidth settings, allowing the designer to adjust the jitter transfer and tolerance attributes of the device. The PLL can be bypassed to accommodate rates not supported by the PLL.

The VSC8222 and VSC8223 require a 2.5 V supply and are available
in a 7x7x1.4mm 48-pin, thermally enhanced PQFP package.

VSC8222 Features

Multi Rate Operation:
- OC-48/12/3 and (STM-16/4/1) and FEC
- 1.0625 Gbps and 2.125 Gbps Fibre Channel
- 1.25 Gbps and 2.5 Gbps Gigabit Ethernet
Adjustable Loop Bandwidth
Loss of Signal (LOS) and Loss of Lock (LOL) Status Indication
Automatic and Manual Lock to Reference Clock:
- Internal PLL Maintains Clock Output in the Absence of Data
Selectable CRU Bypass Mode
On-chip Input and Output Termination
Selectable LVPECL Reference Frequencies:
- 19.44 MHz, 77.76 MHz, or 155.52 MHz (or FEC)
- Equivalent Fibre Channel/Gigabit Ethernet
- Other Allowable Frequencies
0.18 m CMOS Technology
100 mV Differential Input Sensitivity
500 mV Typical Differential Data Output Swing

VSC8222 Typical Application

SONET/SDH Systems
DWDM Systems
Optical Transponders/Transceivers
Fibre Channel Networks
Gigabit and Fast Ethernet Systems
Performance Monitoring Systems
Optical Test Equipment

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