IDT82P2288BB IDT, Integrated Device Technology Inc, IDT82P2288BB Datasheet - Page 253
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IDT82P2288BB
Manufacturer Part Number
IDT82P2288BB
Description
TXRX T1/J1/E1 8CHAN 256-PBGA
Manufacturer
IDT, Integrated Device Technology Inc
Type
Transceiverr
Datasheet
1.IDT82P2288BB.pdf
(362 pages)
Specifications of IDT82P2288BB
Protocol
IEEE 1149.1
Voltage - Supply
3 V ~ 3.6 V
Mounting Type
Surface Mount
Package / Case
256-PBGA
Screening Level
Industrial
Mounting
Surface Mount
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Number Of Drivers/receivers
-
Lead Free Status / RoHS Status
Not Compliant, Contains lead / RoHS non-compliant
Other names
82P2288BB
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E1 Maintenance Function Control 1 (02CH, 12CH, 22CH, 32CH, 42CH, 52CH, 62CH, 72CH)
LAC:
RAISE:
ATAO:
Programming Information
IDT82P2288
Bit Name
This bit selects the LOS criteria.
= 0: The G.775 is selected. In short haul application, the LOS is declared when the incoming signal level is less than 800 mVpp for 32 consecutive
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
16 consecutive zeros in 32 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, E1-029H,...)) for 32 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 16 consecutive zeros in 32 consecutive bit periods.
= 1: The I.431/ETSI is selected. In short haul application, the LOS is declared when the incoming signal level is less than 800 mVpp for 2048
consecutive 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 16 consecutive zeros in 32 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, E1-029H,...)) for 2048 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 16 consecutive zeros in 32 consecutive bit
periods.
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.
Default
Bit No.
Type
7
6
Reserved
5
4
253
OCTAL T1/E1/J1 LONG HAUL / SHORT HAUL TRANSCEIVER
3
LAC
R/W
2
0
RAISE
R/W
1
0
March 04, 2009
ATAO
R/W
0
0
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