參數(shù)資料
型號(hào)： ZL30119GGG
廠商： ZARLINK SEMICONDUCTOR INC
元件分類： 數(shù)字傳輸電路
英文描述： SONET/SDH OC-48/OC-192 Line Card Synchronizer
中文描述： ATM/SONET/SDH SUPPORT CIRCUIT, PBGA100
封裝： 9 X 9 MM, 0.80 MM PITCH, CABGA-100
文件頁(yè)數(shù)： 14/28頁(yè)
文件大?。?/td> 514K
代理商： ZL30119GGG
ZL30119
Data Sheet
14
Zarlink Semiconductor Inc.
1.3 Ref and Sync Inputs
There are eight reference clock inputs (
ref0
to
ref7
) available to both DPLL1 and DPLL2. The selected reference
input is used to synchronize the output clocks. Each of the DPLLs have independent reference selectors which can
be controlled using a built-in state machine or set in a manual mode.
Figure 3 - Reference and Sync Inputs
In addition to the reference inputs, DPLL1 has three optional frame pulse synchronization inputs (
sync0
to
sync2
)
used to align the output frame pulses. The sync
n
input is selected with its corresponding ref
n
input, where n = 0, 1,
or 2. Note that the sync input cannot be used to synchronize the DPLL, it only determines the alignment of the
frame pulse outputs. An example of output frame pulse alignment is shown in Figure 4.
Figure 4 - Output Frame Pulse Alignment
ref7:0
sync2:0
DPLL2
DPLL1
ref
n
sdh/p0/p1_clk
x
sdh/p0_fp
x
Without a frame pulse
signal at the sync input,
the output frame pulses
will align to any arbitrary
cycle of its associated
output clock.
sync
n
- no frame pulse signal present
When a frame pulse
signal is present at the
sync input, the DPLL
will align the output
frame pulses to the
output clock edge that is
aligned to the input
frame pulse.
ref
n
sdh/p0/p1_clk
x
sdh/p0_fp
x
sync
n
n = 0, 1, 2
x = 0, 1
n = 0, 1, 2
x = 0, 1
相關(guān)PDF資料
PDF描述
ZL30119GGG2 SONET/SDH OC-48/OC-192 Line Card Synchronizer
ZL30120 SONET/SDH/Ethernet Multi-Rate Line Card Synchronizer
ZL30120GGG SONET/SDH/Ethernet Multi-Rate Line Card Synchronizer
ZL30120GGG2 SONET/SDH/Ethernet Multi-Rate Line Card Synchronizer
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ZL30119GGG2 制造商:Microsemi Corporation 功能描述:LINE CARD SYNCHRONIZER 100CABGA - Trays 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC SONET/SDH SYNCH 100CABGA 制造商:Microsemi Corporation 功能描述:IC SONET/SDH SYNCH 100CABGA
ZL30120 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:SONET/SDH/Ethernet Multi-Rate Line Card Synchronizer
ZL30120GGG 制造商:Microsemi Corporation 功能描述:T1/E1 SYSTEM SYNCHRONIZER 制造商:Microsemi Corporation 功能描述:LINE CARD SYNCHRONIZER 100CABGA - Trays 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC LINE CARD SYNCH 100CABGA 制造商:Microsemi Corporation 功能描述:IC LINE CARD SYNCH 100CABGA
ZL30120GGG2 制造商:Microsemi Corporation 功能描述:LINE CARD SYNCHRONIZER 100CABGA - Trays 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC LINE CARD SYNCH 100CABGA 制造商:Microsemi Corporation 功能描述:IC LINE CARD SYNCH 100CABGA
ZL30121 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:SONET/SDH Low Jitter System Synchronizer
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