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參數(shù)資料
型號(hào)： XRT83SL30IV-F
廠商： Exar Corporation
文件頁數(shù)： 24/76頁
文件大小： 0K
描述： IC LIU T1/E1/J1 SGL 64TQFP
標(biāo)準(zhǔn)包裝： 160
類型： 線路接口裝置（LIU）
驅(qū)動(dòng)器/接收器數(shù)： 1/1
規(guī)程： T1，E1，J1
電源電壓： 3.135 V ~ 3.465 V
安裝類型： 表面貼裝
封裝/外殼： 64-LQFP
供應(yīng)商設(shè)備封裝： 64-TQFP（10x10）
包裝： 托盤
XRT83SL30
27
SINGLE-CHANNEL T1/E1/J1 SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR
REV. 1.0.1
TRANSMITTER
TRANSMIT TERMINATION MODE
In Hardware mode, TXTSEL (Pin 45) can be tied “High” to select internal termination mode or tied “Low” for
external termination. In Host mode, bit 6 in the appropriate register is set “High” to select the internal
termination mode for the transmit channel, see Table 19, “Microprocessor Register #1 bit description,” on
For internal termination, the transformer turns ratio is always 1:2. In internal mode, no external resistors are
used. An external capacitor of 0.68
F is used for proper operation of the internal termination circuitry, see
EXTERNAL TRANSMIT TERMINATION MODE
By default the XRT83SL30 is set for external termination mode at power up or at Hardware reset.
When external transmit termination mode is selected, the internal termination circuitry is disabled. The value of
the external resistors is chosen for a specific application according to the turns ratio selected by TRATIO (Pin
26) in Hardware mode or bit 0 in the appropriate register in Host mode, see Table 10 and Table 21,
(100
) in the external termination mode. Figure 13 is a simplified block diagram for E1 (75) in the external
termination mode.
FIGURE 13. SIMPLIFIED DIAGRAM FOR E1 IN EXTERNAL TERMINATION MODE (RXTSEL= 0)
TABLE 8: TRANSMIT TERMINATION CONTROL
TXTSEL
TX TERMINATION
TX TRANSFORMER RATIO
0
EXTERNAL
1:2.45
1
INTERNAL
1:2
TABLE 9: TERMINATION SELECT CONTROL
TERSEL1
TERSEL0
TERMINATION
0
100
0
1
110
1
0
75
1
120
9.1
9.1
TTIP
TRING
RTIP
RRING
75
XRT83SL30 LIU
75
75
1:2
1:1
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XRT83SL30IVTR-F 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray
XRT83SL314 制造商:EXAR 制造商全稱:EXAR 功能描述:14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
XRT83SL314_05 制造商:EXAR 制造商全稱:EXAR 功能描述:14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
XRT83SL314ES 功能描述:LIN 收發(fā)器 14 CHT1/E1 LIUSH RoHS:否 制造商:NXP Semiconductors 工作電源電壓: 電源電流: 最大工作溫度: 封裝 / 箱體:SO-8
XRT83SL314IB 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray
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