參數(shù)資料
型號： ZL30122GGG
廠商： ZARLINK SEMICONDUCTOR INC
元件分類： 數(shù)字傳輸電路
英文描述： SONET/SDH Low Jitter Line Card Synchronizer
中文描述： ATM/SONET/SDH SUPPORT CIRCUIT, PBGA64
封裝： 9 X 9 MM, 1 MM PITCH, CABGA-64
文件頁數(shù)： 11/23頁
文件大?。?/td> 246K
代理商： ZL30122GGG
ZL30122
Data Sheet
11
Zarlink Semiconductor Inc.
1.3 Ref and Sync Inputs
There are three reference clock inputs (
ref0
to
ref2
) available to the DPLL. Reference selection can be controlled
using a built-in state machine or set in a manual mode.The selected reference input is used to synchronize the
output clocks.
Figure 3 - Reference and Sync Inputs
In addition to the reference inputs, the DPLL 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
ref2:0
sync2:0
DPLL
ref
n
diff_clk/sdh_clk/p_clk
sdh/p_fp
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
sync
n
n = 0, 1, 2
n = 0, 1, 2
diff_clk/sdh_clk/p_clk
sdh_fp/p_fp
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ZL30122GGG2 制造商:Microsemi Corporation 功能描述:PB FREE SONET/SDH PLL LINE CARD SYNCH. 制造商:Microsemi Corporation 功能描述:SONET/SDH LOW JITTER LINE CARD SYNCHRONIZER 64CABGA - Trays 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC SONET/SDH SYNCH 64CABGA 制造商:Microsemi Corporation 功能描述:IC SONET/SDH SYNCH 64CABGA
ZL30123 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Low Jitter Line Card Synchronizer
ZL30123GGG 制造商:Microsemi Corporation 功能描述:SONET/SDH LOW JITTER LINE CARD SYNCHRONIZER 100CABGA - Trays 制造商:Microsemi Corporation 功能描述:SONET/SDHPLLLINECARDSYNCHRONIZER 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
ZL30123GGG2 制造商:Microsemi Corporation 功能描述:SONET/SDH LOW JITTER 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
ZL30130GGG 制造商:Microsemi Corporation 功能描述:OC-12 SONET/SDH 1GBE S2/S3E/S3/S4E SETS TIMING CARD - Trays 制造商:Zarlink Semiconductor Inc 功能描述:OC-12 SONET/SDH 1GBE S2/S3E/S3/S4E SETS TIMING CARD - Trays
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