zl50021 Zarlink Semiconductor, zl50021 Datasheet

zl50021

Manufacturer Part Number

zl50021

Description

Enhanced 4 K Digital Switch With Stratum 3 Dpll

Manufacturer

Zarlink Semiconductor

Datasheet

1.ZL50021.pdf (136 pages)

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REF_FAIL0

REF_FAIL1

REF_FAIL2

REF_FAIL3

MODE_4M1

MODE_4M0

Features

•

STi[31:0]

OSC_EN

4096-channel x 4096-channel non-blocking digital

Time Division Multiplex (TDM) switch at 8.192

and 16.384 Mbps or using a combination of ports

running at 2.048, 4.096, 8.192 and/or

16.384 Mbps

32 serial TDM input, 32 serial TDM output

streams

Integrated Digital Phase-Locked Loop (DPLL)

exceeds Telcordia GR-1244-CORE Stratum 3

specifications

Output clocks have less than 1 ns of jitter (except

for the 1.544 MHz output)

DPLL provides holdover, freerun and jitter

attenuation features with four independent

reference source inputs

REF3

REF0

REF1

REF2

CKi

FPi

Zarlink, ZL and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc.

DD_CORE

Zarlink Semiconductor US Patent No. 5,602,884, UK Patent No. 0772912,

S/P Converter

Input Timing

France Brevete S.G.D.G. 0772912; Germany DBP No. 69502724.7-08

OSC

DPLL

DD_IO

Figure 1 - ZL50021 Functional Block Diagram

DD_COREA

Microprocessor Interface

Zarlink Semiconductor Inc.

Internal Registers &

Connection Memory

Data Memory

DD_IOA

•

Programmable key DPLL parameters (filter corner

frequency, locking range, auto-holdover

hysteresis range, phase slope, lock detector

range)

Exceptional input clock cycle to cycle variation

tolerance (20 ns for all rates)

Output streams can be configured as bi-

directional for connection to backplanes

ZL50021GAC

ZL50021QCC

ZL50021QCG1

ZL50021GAG2

Enhanced 4 K Digital Switch with

RESET

**Pb Free Tin/Silver/Copper

Ordering Information

P/S Converter

Output Timing

Test Port

Output HiZ

*Pb Free Matte Tin

Control

-40°C to +85°C

256 Ball PBGA

256 Lead LQFP

256 Lead LQFP*

256 Ball PBGA**

ODE

Stratum 3 DPLL

Data Sheet

Trays

Trays, Bake &

Drypack

Trays, Bake &

Drypack

STio[31:0]

STOHZ[15:0]

FPo[3:0]

CKo[5:0]

FPo_OFF[2:0]

ZL50021

November 2006

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