Datasheet

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SLLS591C− OCTOBER 2003 − REVISED JULY 2007
14
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
transmitter/receiver characteristics
PARAMETER TEST CONDITION MIN TYP MAX UNIT
V
OD(p)
V
OD(p)
= |VTXP-VTXN|,
Preemphasis VOD
DC-coupled. Preemphasis = high, See Figure 8 730 945 1280 mV
V
OD(pp−p)
Differential, peakĆto-peak output
voltage with preemphasis
DC-coupled. Preemphasis = high, See Figure 8 1460 1890 2560 mV
V
OD(d)
VD(d) = |VTXP-VTXN|,
De-emphasis VOD
DC-coupled. Preemphasis = low, See Figure 8 560 750 1100 mV
V
OD(pp−d)
Differential, peak-to-peak output
voltage with deemphasis
DC-coupled. Preemphasis = low, See Figure 8 1120 1500 2200 mV
V
(cmt)
Transmit termination voltage range,
(VTXP + VTXN)/2
1000 1250 1400 mV
V
ID
Receiver input voltage differential
VID= |RXP – RXN|
200 mV
V
cmr
Receiver common-mode voltage
range, (VRXP + VRXN)/2
1000
V
DD
−
350
mV
I
in
Receiver input leakage −10 10 µA
C
in
Receiver input capacitance 2 pF
t
r
, t
f
Differential output signal rise and
fall time (20% to 80%)
R
L
= 50 Ω, C
L
= 5 pF, See Figure 9 100 150 ps
Serial transmit data total jitter
(peak-to-peak)
Differential output jitter, random + deterministic,
2
23
−1 PRBS pattern at 1.3 Gbps
0.1 UI
Receive jitter tolerance
Total input jitter, PRBS pattern, permitted eye
closure at zero crossing
0.5 UI
T
latency
TX latency
At 500 Mbps 17 19
Bit
T
latency
TX latency
At 1.3 Gbps
17 20
Bit
times
R
latency
RX latency
At 500 Mbps 88 92
Bit
R
latency
RX latency
At 1.3 Gbps 90 96
Bit
times
V
OD(d)
V
OD(p)
V
(cmt)
V
OD(p)
V
OD(d)
Bit
Time
Bit
Time
t
r
t
f
V
OD(pp_p)
V
OD(pp_d)
Figure 8. Differential and Common-Mode Output Voltage Definitions