82P2282PF IDT, Integrated Device Technology Inc, 82P2282PF Datasheet - Page 143
82P2282PF
Manufacturer Part Number
82P2282PF
Description
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet
1.82P2282PF.pdf
(381 pages)
Specifications of 82P2282PF
Screening Level
Industrial
Pin Count
100
Mounting
Surface Mount
Package Type
TQFP
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Lead Free Status / RoHS Status
Not Compliant
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T1/J1 Maintenance Function Control 1 (02CH, 12CH)
LAC:
utive bit intervals and is cleared when the incoming signal level is greater than 1 Vpp and has an average mark density of at least 12.5% and less than
100 consecutive zeros in 128 consecutive bit periods. In long haul application, the LOS is declared when the incoming signal level is less than Q dB
below nominal (set in the LOS[4:0] bits (b4~0, T1/J1-029H,...)) for 175 consecutive bit intervals and is cleared when the incoming signal level is
greater than (Q + 4 dB) and has an average mark density of at least 12.5% and less than 100 consecutive zeros in 128 consecutive bit periods.
tive bit intervals and is cleared when the incoming signal level is greater than 1 Vpp and has an average mark density of at least 12.5% and less than
100 consecutive zeros in 128 consecutive bit periods. In long haul application, the LOS is declared when the incoming signal level is less than Q dB
below nominal (set in the LOS[4:0] bits (b4~0, T1/J1-029H,...)) for 1544 consecutive bit intervals and is cleared when the incoming signal level is
greater than (Q + 4 dB) and has an average mark density of at least 12.5% and less than 100 consecutive zeros in 128 consecutive bit periods.
RAISE:
ATAO:
Programming Information
IDT82P2282
Bit Name
Default
Bit No.
Type
This bit selects the LOS criterion.
= 0: The T1.231 is selected. In short haul application, the LOS is declared when the incoming signal level is less than 800 mVpp for 175 consec-
= 1: The I.431 is selected. In short haul application, the LOS is declared when the incoming signal level is less than 800 mVpp for 1544 consecu-
This bit determines whether all ’One’s can be inserted in the receive path when the LOS is detected.
= 0: Disable the insertion.
= 1: Enable the insertion.
This bit determines whether all ’One’s can be inserted in the transmit path when the LOS is detected in the receive path.
= 0: Disable the insertion.
= 1: Enable the insertion.
7
6
Reserved
5
4
143
DUAL T1/E1/J1 LONG HAUL / SHORT HAUL TRANSCEIVER
3
LAC
R/W
2
0
RAISE
R/W
1
0
August 20, 2009
ATAO
R/W
0
0
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