IDT82P2288BB IDT, Integrated Device Technology Inc, IDT82P2288BB Datasheet - Page 250

• Manufacturer Part Number: IDT82P2288BB
• Description: TXRX T1/J1/E1 8CHAN 256-PBGA
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Transceiverr

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

E1 Receive Configuration 1 (029H, 129H, 229H, 329H, 429H, 529H, 629H, 729H)
EQ_ON:
LOS[4:0]:
pulse intervals. In long haul applications, these bits select the LOS declare threshold (Q). These bits are invalid in short haul applications.
Programming Information
IDT82P2288
Bit Name
= 0: The Equalizer is off in short haul applications.
= 1: The Equalizer is on in long haul applications.
A LOS is detected when the incoming signals has “no transitions”, i.e., when the signal level is less than Q dB below nominal for N consecutive
Default
Bit No.
Type
Reserved
LOS[4:0]
00000
00001
00010
00011
00100
00101
00110
01000
01001
01010
01011
00111
7
EQ_ON
R/W
6
0
LOS Declare Threshold (Q)
Reserved
-10 dB
-12 dB
-14 dB
-16 dB
-18 dB
-20 dB
-22 dB
-24 dB
-26 dB
-4 dB
-6 dB
-8 dB
5
LOS4
R/W
4
1
250
OCTAL T1/E1/J1 LONG HAUL / SHORT HAUL TRANSCEIVER
10110 - 11111
LOS[4:0]
10000
10001
10010
10100
10101
01100
01101
01110
10011
01111
LOS3
R/W
3
0
LOS2
R/W
2
1
LOS Declare Threshold (Q)
-28 dB
-30 dB
-32 dB
-34 dB
-36 dB
-38 dB
-40 dB
-42 dB
-44 dB
-46 dB
-48 dB
LOS1
R/W
1
0
March 04, 2009
LOS0
R/W
0
1