參數(shù)資料
型號: ZL30106
廠商: Zarlink Semiconductor Inc.
英文描述: SONET/SDH/PDH Network Interface DPLL
中文描述: 的SONET / SDH / PDH數(shù)字網(wǎng)絡接口全數(shù)字鎖相環(huán)
文件頁數(shù): 31/48頁
文件大小: 423K
代理商: ZL30106
ZL30106
Data Sheet
31
Zarlink Semiconductor Inc.
6.0 Applications
This section contains ZL30106 application specific details for power supply decoupling, reset operation, clock and
crystal operation.
6.1 Power Supply Decoupling
It is recommended to place a 100 nF decoupling capacitor close to each pair of power and ground pins as
illustrated in Figure 19 to ensure optimal jitter performance.
Figure 19 - Recommended Power Supply Decoupling
6.2 Master Clock
The ZL30106 can use either a clock or crystal as the master timing source. Zarlink application note ZLAN-68 lists a
number of applicable oscillators and crystals that can be used with the ZL30106.
6.2.1 Clock Oscillator
When selecting a clock oscillator, numerous parameters must be considered. This includes absolute frequency,
frequency change over temperature, output rise and fall times, output levels, duty cycle and phase noise.
The output clock should be connected directly (not AC coupled) to the OSCi input of the ZL30106, and the OSCo
output should be left open as shown in Figure 20.
100 nF
33
AGND
36
AVDD
25
V
DD
61
V
DD
37
AV
DD
V
CORE
12
AV
CORE
35
GND
1
AV
CORE
14
1.8 V
3.3 V
44
AV
DD
45
AV
DD
100 nF
100 nF
100 nF
29
AV
DD
41
AGND
51
AGND
23
GND
ZL30106
100 nF
100 nF
GND
13
V
CORE
2
100 nF
1
GND
100 nF
100 nF
40
GND
34
GND
100 nF
100 nF
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