IDT82P2816BB IDT, Integrated Device Technology Inc, IDT82P2816BB Datasheet - Page 59

• Manufacturer Part Number: IDT82P2816BB
• Description: IC LIU T1/J1/E1 16+1CH 416-PBGA
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of IDT82P2816BB

• Function: Line Interface Unit (LIU)
• Interface: E1, J1, T1
• Number Of Circuits: 1
• Voltage - Supply: 1.8V, 3.3V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: *
• Includes: Defect and Alarm Detection, Driver Over-Current Detection and Protection, LLOS Detection, PRBSARB / IB Detection and Generation
• Number Of Transceivers: 1
• Screening Level: Industrial
• Mounting: Surface Mount
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Current - Supply: -
• Power (watts): -
• Lead Free Status / RoHS Status: Not Compliant, Contains lead / RoHS non-compliant
• Other names: 82P2816BB

IDT82P2816
16(+1) CHANNEL HIGH-DENSITY T1/E1/J1 LINE INTERFACE UNIT
Recovered clock of one
CLKB input
of the 17 channels
JA_BYPAS = 1 ?
Yes
No
Clock is derived from the
Clock is derived from the output
output of RJA
of Rx Clock & Data Recovery
selected by REFB[4:0]
Output on REFB
Figure-37 REFB Output Options in Normal Operation
In LLOS condition.
FS_BYPAS = 1 ?
Yes
No
Pass through a
Frequency Synthesizer.
FREE = 1 ?
REFH = 1 ?
Yes
Yes
No
REFH = 1 ?
No
No
Yes
Output on REFA is free
Output on REFA is free
running (locked to MCLK).
running (locked to MCLK).
Output high level.
The frequency is 1.544 MHz
The frequency is
in T1 mode or 2.048 MHz in
programmed in FREQ[2:0] *.
E1 mode.
Note *: '000' and '011' are reserved for FREQ[2:0] when REFA is free running.
Figure-38 REFA Output in LLOS Condition (When RCLKn Is Selected)
Functional Description
59
February 6, 2009