82P2821BH IDT, Integrated Device Technology Inc, 82P2821BH Datasheet - Page 73
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82P2821BH
Manufacturer Part Number
82P2821BH
Description
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet
1.82P2821BH.pdf
(151 pages)
Specifications of 82P2821BH
Number Of Transceivers
1
Screening Level
Industrial
Mounting
Surface Mount
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Lead Free Status / RoHS Status
Not Compliant
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Miscellaneous
IDT82P2821
Hot switch control
Rx: 75 Ω External Impedance Matching mode. In this mode, there is no external resistor required. The RIM pin should be left open and the configuration
of the R_TERM[2:0] bits (b2~0, RCF0,...) is ignored.
Tx: 75 Ω Internal Impedance Matching mode. The
Figure-48 1+1 HPS Scheme, E1 75 ohm Single-Ended Interface (Shared Common Transformer)
RIM
OE
RIM
OE
T_TERM[2:0] bits (b2~0, TCF0,...) should be set to
backup line card
primary line card
Rx
Tx
Tx
Rx
21(+1) CHANNEL HIGH-DENSITY T1/E1/J1 LINE INTERFACE UNIT
73
VDDRn
VDDTn
•
•
4.7 µF
0.47 µF
19 Ω
‘011’.
1:2
1:2
February 6, 2009
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