ZL30415 查看數據表（PDF） - Zarlink Semiconductor Inc

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ZL30415

SONET/SDH Clock Multiplier PLL

Zarlink Semiconductor Inc 

ZL30415

Data Sheet

4.0 Applications

4.1 Generation of Low Jitter SONET/SDH Equipment Clocks

The functionality and performance of the ZL30415 complements the entire family of the Zarlink’s advanced network

synchronization PLL’s. Its jitter filtering characteristics exceed requirements of SONET/SDH optical interfaces

operating up to OC-12/STM-4 rates (622 Mbit/s). The ZL30415 in combination with the MT90401 or the ZL30407

(SONET/SDH Network Element PLL’s) provides the core building blocks for high quality equipment clocks suitable

for network synchronization (see Figure 5).

REFinP/N

C19i

ZL30415

LPF

CF

RF

OC-CLKoP/N LVPECL

C19o

CMOS

622.08 MHz

155.52 MHz

77.76 MHz

38.88 MHz

19.44 MHz

19.44 MHz

RF = 1 kΩ

CF = 470 nF

Synchronization

Reference

Clocks

PRI

SEC

RefSel

RefAlign

PRIOR

SECOR

LOCK

HOLDOVER

20 MHz

OCXO

Note: Only main functional connections are shown.

ZL30407

C19o

C155o

C34o/C44o

C16o

C8o

C6o

C4o

C2o

C1.5o

F16o

F8o

F0o

CMOS

LVDS

CMOS

CMOS

CMOS

CMOS

CMOS

CMOS

CMOS

CMOS

CMOS

CMOS

19.44 MHz

155.52 MHz

34.368 MHz or 44.736 MHz

16.384 MHz

8.192 MHz

6.312 MHz

4.096 MHz

2.048 MHz

1.544 MHz

8 kHz

8 kHz

8 kHz

Data Port

uP

Controller Port

Figure 5 - SONET/SDH Equipment Clock

8

Zarlink Semiconductor Inc.

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