XRT83SL30IV(2003) View Datasheet(PDF) - Exar Corporation
Part Name
Description
Manufacturer
XRT83SL30IV
(Rev.:2003)
(Rev.:2003)
Exar Corporation
XRT83SL30IV Datasheet PDF : 76 Pages
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XRT83SL30
áç
SINGLE-CHANNEL T1/E1/J1 SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR
REV. P1.0.4
PRELIMINARY
TABLE 7: RECEIVE TERMINATIONS
RXTSEL TERSEL1 TERSEL0 RXRES1 RXRES0
Rext
0
x
x
x
x
Rext
1
0
0
0
0
∞
Rint
∞
100Ω
MODE
T1/E1/J1
T1
1
0
1
0
0
∞
110Ω
J1
1
1
0
0
0
∞
75Ω
E1
1
1
1
0
0
∞
120Ω
E1
1
0
0
0
1
240Ω
172Ω
T1
1
0
1
0
1
240Ω
204Ω
J1
1
1
0
0
1
240Ω
108Ω
E1
1
1
1
0
1
240Ω
240Ω
E1
1
0
0
1
0
210Ω
192Ω
T1
1
0
1
1
0
210Ω
232Ω
J1
1
1
0
1
0
210Ω
116Ω
E1
1
1
1
1
0
210Ω
280Ω
E1
1
0
0
1
1
150Ω
300Ω
T1
1
0
1
1
1
150Ω
412Ω
J1
1
1
0
1
1
150Ω
150Ω
E1
1
1
1
1
1
150Ω
600Ω
E1
Figure 12 is a simplified diagram for T1 (100Ω) in the external receive termination mode. Figure 13 is a
simplified diagram for E1 (75Ω) in the external receive termination mode.
FIGURE 12. SIMPLIFIED DIAGRAM FOR T1 IN THE EXTERNAL TERMINATION MODE (RXTSEL= 0)
XRT83SL30 LIU
TTIP
3.1Ω
TRING
RTIP
3.1Ω
100Ω
RRING
1:2 or
1:2.45
1:1
100Ω
100Ω
27
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