參數(shù)資料
型號: IBM3209K3114
廠商: IBM Microeletronics
英文描述: IBM Packet Routing Switch Serial Interface Converter(IBM封裝路線選擇開關(guān)串行接口轉(zhuǎn)換器)
中文描述: IBM的分組路由交換機(jī)串行接口轉(zhuǎn)換器(IBM的封裝路線選擇開關(guān)串行接口轉(zhuǎn)換器)
文件頁數(shù): 148/152頁
文件大小: 2390K
代理商: IBM3209K3114
IBM3209K3114
IBM Packet Routing Switch Serial Interface Converter
Advance
Appendix A: Data Aligned Serial Link (DASL)
Page 138 of 142
prssi.01
July 12, 2000
10.7 Line Termination
10.8 DASL and SYS_CLK
The DASL data inputs (DASL_X_TX, DASL_Y_TX) and the clock reference (SWITCH_X_CLK and
SWITCH_Y_CLK ) use differential HSTL EIA/JEDEC (EIA/JESD8-6) standard compliant I/O books. The
following figure gives the recommended termination for those receiver lines.
10.9
The termination network must be placed within 2.5 cm of the receiver chip.
Note:
For switch clock X/Y differential pair, both termination resistors must be directly connected to GND,
without the use of the 100 pF capacitor.
Figure 42: DASL Termination
GND
51 Ohms +/- 5%
51 Ohms +/- 5%
100 pF
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