82V2088BB IDT, Integrated Device Technology Inc, 82V2088BB Datasheet - Page 56
82V2088BB
Manufacturer Part Number
82V2088BB
Description
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet
1.82V2088BB.pdf
(78 pages)
Specifications of 82V2088BB
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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OCTAL CHANNEL T1/E1/J1 LONG HAUL/SHORT HAUL LINE INTERFACE UNIT
4.2.10 TRANSMIT AND RECEIVE TERMINATION REGISTER
Table-56 TERM: Transmit and Receive Termination Configuration Register
T_TERM[2:0]
R_TERM[2:0]
Symbol
-
(R/W, Address = 1AH,3AH, 5AH,7AH,9AH,BAH,DAH,FAH)
7-6
5-3
2-0
Bit
Default
000
000
00
These bits select the internal termination for transmit line impedance matching.
Reserved
= 000: internal 75 Ω impedance matching
= 001: internal 120 Ω impedance matching
= 010: internal 100 Ω impedance matching
= 011: internal 110 Ω impedance matching
=1xx: Selects external impedance matching resistors for E1 mode only. T1/J1 does not require external imped-
These bits select the internal termination for receive line impedance matching.
= 000: internal 75 Ω impedance matching
= 001: internal 120 Ω impedance matching
= 010: internal 100 Ω impedance matching
= 011: internal 110 Ω impedance matching
= 1xx: Selects external impedance matching resistors (see Table-15).
ance resistors (see Table-14).
56
Description
TEMPERATURE RANGES
INDUSTRIAL
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