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參數(shù)資料
| 型號： | ZL30100 |
| 廠商： | Zarlink Semiconductor Inc. |
| 英文描述： | T1/E1 System Synchronizer |
| 中文描述： | T1/E1的系統(tǒng)同步 |
| 文件頁數(shù)： | 24/34頁 |
| 文件大小： | 560K |
| 代理商： | ZL30100 |
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ZL30100
Data Sheet
24
Zarlink Semiconductor Inc.
The crystal should be a fundamental mode type - not an overtone. The fundamental mode crystal permits a simpler
oscillator circuit with no additional filter components and is less likely to generate spurious responses. A typical
crystal oscillator specification and circuit is shown in Table 7 and Figure 14 respectively.
Figure 14 - Crystal Oscillator Circuit
6.3 Power Up Sequence
The ZL30100 requires that the 3.3 V rail is not powered-up later than the 1.8 V rail. This is to prevent the risk of
latch-up due to the presence of parasitic diodes in the IO pads.
Two options are given:
1. Power up the 3.3 V rail fully first, then power up the 1.8 V rail
2. Power up the 3.3 V rail and 1.8 V rail simultaneously, ensuring that the 3.3 V rail voltage is never lower than the
1.8 V rail voltage minus a few hundred millivolts (e.g., by using a schottky diode or controlled slew rate)
1
Frequency
20 MHz
2
Tolerance
as required
3
Oscillation mode
fundamental
4
Resonance mode
parallel
5
Load capacitance
as required
6
Maximum series resistance
50
Table 7 - Typical Crystal Oscillator Specification
OSCo
1 M
20 MHz
ZL30100
OSCi
100
1 μH
The 100
resistor and the 1 μH inductor may improve
stability and are optional.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ZL30100_06 | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:T1/E1 System Synchronizer |
| ZL30100QDC | 制造商:Zarlink Semiconductor Inc 功能描述:SYS SYNCHRONIZER 64TQFP - Trays |
| ZL30100QDG1 | 制造商:Microsemi Corporation 功能描述:SYS SYNCHRONIZER 64TQFP - Trays 制造商:Microsemi Corporation 功能描述:T1/E1 SYSTEM SYNCHRONIZER 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC SYNCHRONIZER T1/E1 64TQFP 制造商:Microsemi Corporation 功能描述:IC SYNCHRONIZER T1/E1 64TQFP |
| ZL30101 | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:T1/E1 Stratum 3 System Synchronizer |
| ZL30101_06 | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:T1/E1 Stratum 3 System Synchronizer |
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