XRT7302IV View Datasheet(PDF) - Exar Corporation
Part Name
Description
MFG CO.
'XRT7302IV' PDF : 62 Pages View PDF
XRT7302 2 CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT
REV. 1.1.6
áç
FIGURE 1. TRANSMIT PULSE AMPLITUDE TEST CIRCUIT FOR E3, DS3 AND STS-1 RATES (TYPICAL CHANNEL
SHOWN)
TxPOS(n)
TxNEG(n)
TxLineClk(n)
Channel (n)
TPOS(n)
TTIP(n)
TNEG(n)
TxClk(n)
TRing(n)
R1
36 Ω
R2
36 Ω
T1
R3
75 Ω
1:1
FIGURE 2. TIMING DIAGRAM OF THE TRANSMIT TERMINAL INPUT INTERFACE
tRTX
tFTX
TClk
tTSU
tTHO
TPDATA or
TNDATA
TTIP or
tTDY
TRING
FIGURE 3. TIMING DIAGRAM OF THE RECEIVE TERMINAL OUTPUT INTERFACE
RClk
LCV
RPOS or
RNEG
tRRX
tLCVO
tCO
tFRX
16
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