參數(shù)資料
型號: ZL30122
廠商: Zarlink Semiconductor Inc.
英文描述: SONET/SDH Low Jitter Line Card Synchronizer
中文描述: SONET / SDH的低抖動線路卡同步器
文件頁數(shù): 14/23頁
文件大?。?/td> 246K
代理商: ZL30122
ZL30122
Data Sheet
14
Zarlink Semiconductor Inc.
1.5 Output Clocks and Frame Pulses
The ZL30122 offers a wide variety of outputs including one low-jitter differential LVPECL clock (
diff_clk_p/n
), one
SONET/SDH LVCMOS (
sdh_clk
) output clock and one programmable LVCMOS (
p_clk
) output clock. In addition to
the clock outputs, one LVCMOS SONET/SDH frame pulse output (
sdh_fp
) and one LVCMOS programmable frame
pulse (
p_fp
) is also available.
Figure 6 - Output Configuration
The supported frequencies for the output clocks and frame pulses are shown in Table 4.
diff_clk_p/n
(LVPECL)
6.48 MHz
sdh_clk
(LVCMOS)
6.48 MHz
p_clk
(LVCMOS)
2 kHz
sdh_fp, p_fp
(LVCMOS)
166.67 Hz
(48x 125
μ
s frames)
400 Hz
19.44 MHz
9.72 MHz
N * 8 kHz (up to 77.76
MHz)
38.88 MHz
51.84 MHz
77.76 MHz
155.52 MHz
311.04 MHz
622.08 MHz
12.96 MHz
19.44 MHz
25.92 MHz
38.88 MHz
51.84 MHz
77.76 MHz
1 kHz
2 kHz
4 kHz
8 kHz
32 kHz
64 kHz
Table 4 - Output Clock and Frame Pulse Frequencies
DPLL
p_clk
p_fp
Programmable
Synthesizer
sdh_clk
sdh_fp
SONET/SDH
APLL
diff_clk_p/n
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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