Product Preview DS21Q55
27 of 248 012103
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PIN SYMBOL TYPE DESCRIPTION
C6 TLINK3 I Transmit Link Data, Transceiver #3.
T19 TLINK4 I Transmit Link Data, Transceiver #4.
R1 TNEGI1 I Transmit Negative Data Input for the LIU, Transceiver #1.
F19 TNEGI2 I Transmit Negative Data Input for the LIU, Transceiver #2.
D8 TNEGI3 I Transmit Negative Data Input for the LIU, Transceiver #3.
R20 TNEGI4 I Transmit Negative Data Input for the LIU, Transceiver #4.
T3 TNEGO1 O Transmit Negative Data Output from Framer, Transceiver #1.
B20 TNEGO2 O Transmit Negative Data Output from Framer, Transceiver #2.
D9 TNEGO3 O Transmit Negative Data Output from Framer, Transceiver #3.
N20 TNEGO4 O Transmit Negative Data Output from Framer, Transceiver #4.
W3 TPOSI1 I Transmit Positive Data Input for the LIU, Transceiver #1.
C20 TPOSI2 I Transmit Positive Data Input for the LIU, Transceiver #2.
A8 TPOSI3 I Transmit Positive Data Input for the LIU, Transceiver #3.
R19 TPOSI4 I Transmit Positive Data Input for the LIU, Transceiver #4.
V7 TPOSO1 O Transmit Positive Data Output from Framer, Transceiver #1.
C19 TPOSO2 O Transmit Positive Data Output from Framer, Transceiver #2.
C9 TPOSO3 O Transmit Positive Data Output from Framer, Transceiver #3.
N19 TPOSO4 O Transmit Positive Data Output from Framer, Transceiver #4.
Y2 TRING1 O Transmit Analog Ring Output, Transceiver #1.
Y4 TRING2 O Transmit Analog Ring Output, Transceiver #2.
Y6 TRING3 O Transmit Analog Ring Output, Transceiver #3.
Y8 TRING4 O Transmit Analog Ring Output, Transceiver #4.
W9 TSER1 I Transmit Serial Data, Transceiver #1.
C17 TSER2 I Transmit Serial Data, Transceiver #2.
C10 TSER3 I Transmit Serial Data, Transceiver #3.
K20 TSER4 I Transmit Serial Data, Transceiver #4.
W10 TSIG1 I Transmit Signaling Input, Transceiver #1.
C18 TSIG2 I Transmit Signaling Input, Transceiver #2.
A10 TSIG3 I Transmit Signaling Input, Transceiver #3.
L19 TSIG4 I Transmit Signaling Input, Transceiver #4.
W12 TSSYNC1 I Transmit System Sync, Transceiver #1.
B18 TSSYNC2 I Transmit System Sync, Transceiver #2.
D10 TSSYNC3 I Transmit System Sync, Transceiver #3.
K19 TSSYNC4 I Transmit System Sync, Transceiver #4.
U16 TSTRST I Test/Reset
V1 TSYNC1 I/O Transmit Sync, Transceiver #1.
D20 TSYNC2 I/O Transmit Sync, Transceiver #2.
C7 TSYNC3 I/O Transmit Sync, Transceiver #3.
R18 TSYNC4 I/O Transmit Sync, Transceiver #4.
W11 TSYSCLK1 I Transmit System Clock, Transceiver #1.
A19 TSYSCLK2 I Transmit System Clock, Transceiver #2.
A11 TSYSCLK3 I Transmit System Clock, Transceiver #3.
N18 TSYSCLK4 I Transmit System Clock, Transceiver #4.
Y1 TTIP1 O Transmit Analog Tip Output, Transceiver #1.
Y3 TTIP2 O Transmit Analog Tip Output, Transceiver #2.
Y5 TTIP3 O Transmit Analog Tip Output, Transceiver #3.
Y7 TTIP4 O Transmit Analog Tip Output, Transceiver #4.
W2 TVDD1 – Transmit Analog Positive Supply.
G19 TVDD2 – Transmit Analog Positive Supply.
D11 TVDD3 – Transmit Analog Positive Supply.
U19 TVDD4 – Transmit Analog Positive Supply.
W4 TVSS1 – Transmit Analog Signal Ground.