ZL30132GGG2

ZL30132 Short Form Data Sheet
10
Zarlink Semiconductor Inc.
2.0 High Level Overview
The ZL30132 OC-192/STM-64 SONET/SDH/10GbE Network Interface Synchronizer is a highly integrated device
that provides timing for network interface cards. The DPLL automatically locks to one of three input references and
provides a wide variety of synchronized output clocks for synchronizing SONET/SDH, PDH, and Ethernet line
cards.
The ZL30132 uses internal state machines to control the mode of operation and reference selection. Once
configured, the device operates automatically and requires very little maintenance. Status is provided through the
serial port. An interrupt pin becomes active to indicate a change in device status. Some of the status functions (e.g.
lock, holdover) are accessible directly using device pins.
This device is ideally suited for systems with network interface cards that are synchronized to a centralized telecom
backplane. The ZL30132 synchronizes to backplane clocks and generates a synchronized and jitter attenuated
Ethernet/SONET/SDH clock and a PDH clock. A typical application is shown in Figure 2. In this application, the
ZL30132 translates a 19.44 MHz clock from the telecom backplane to an Ethernet or SONET/SDH clock rate for
the PHY and filters the jitter to ensure compliance with related clock standards. A programmable synthesizer
provides PDH clocks with multiples of 8 kHz for generating PDH interface clocks. The ZL30132 allows easy
integration of Ethernet line rates with today’s telecom backplanes.
Figure 2 - Typical Application of the ZL30132
Line Recovered Timing
System Timing Bus
8 kHz 8 kHz
8 kHz
ZL30132
DPLL
A
B
Telecom
Backplane
ZL30132
APLL
DPLL
A
B
156.25
MHz
10GbE
Line Card
PHY
S
8 kHz
Central
Timing
Card
BITS A
PS
PS
A
DPLL
Central
Timing
Card
BITS B
PS
PS
B
DPLL
XOVER
ZL30121
ZL30121
APLL
622.08
MHz
OC-192
Line Card
PHY
Prog
Synth
Prog
Synth
Nx8kHz
Nx8kHz
c Zarlink Semiconductor 2005 All rights reserved.
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APPRD.
DATE
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ZL30132GGG2

Mfr. #:
Manufacturer:
Microchip / Microsemi
Description:
Clock Generators & Support Products Pb Free OC192/10GbE
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
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