82P2821BH IDT, Integrated Device Technology Inc, 82P2821BH Datasheet - Page 73

• Manufacturer Part Number: 82P2821BH
• Manufacturer: IDT, Integrated Device Technology Inc

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

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