TLK3101 Datasheet, PDF (18/24 Pages) Texas Instruments – 2.5 Gbps to 3.125 Gbps TRANSCEIVER

TLK3101
2.5 Gbps to 3.125 Gbps TRANSCEIVER
SCAS649A – AUGUST 2000 – REVISED FEBRUARY 2001
transmitter/receiver characteristics
VOD(p)
PARAMETER
Preemphasis VOD, direct,
VOD(p) ₌ |VTXP – VTXN|
VOD(pp_p)
VOD(d)
VOD(pp_d)
V(cmt)
VID
V(cmr)
Ilkg
Ci
Differential, peak-to-peak output voltage with
preemphasis
Deemphais output voltage,
|VTXP – VTXN|
Differential, peak-to-peak output voltage with
de-emphasis
Transmit common mode voltage range,
(VTXP + VTXN)/2
Receiver input voltage differential,
|VRXP – VRXN|
Receiver common mode voltage range,
(VRXP + VRXN)/2
Receiver input leakage current
Receiver input capacitance
Serial data total jitter (peak-to-peak)
tt, tf
Differential output signal rise, fall time
(20% to 80%)
Jitter tolerance
td(Tx _latency) Tx latency
td(Rx _latency) Rx latency
† _{UI is the time interval of one serialized bit.}
TEST CONDITIONS
Rt = 50 Ω, PREM = high, dc-coupled,
See Figure 12
Rt = 50 Ω, PREM = low, dc-coupled,
See Figure 12
Rt = 50 Ω, PREM = high, dc-coupled,
See Figure 12
Rt = 50 Ω, PREM = low, dc-coupled,
See Figure 12
Rt = 50 Ω, DC-coupled, See Figure 12
Rt = 50 Ω, dc-coupled, See Figure 12
Rt = 50 Ω, See Figure 12
Differential output jitter at 3.125 Gbps,
Random + deterministic, PRBS pattern
Differential output jitter at 2.5 Gbps,
Random + deterministic, PRBS pattern
RL = 50 Ω, CL = 5 pF, See Figure 12
Differential input jitter, random +
determinisitc, PRBS pattern at zero
crossing
See Figure 2
See Figure 5
VOD(p)
VOD(d)
MIN TYP MAX UNIT
655 725 795
mV
590 650 710
1310
1180
1450
1300
1590
1420
mVp-p
540 600 660 mV
1080 1200 1320 mVp-p
1000 1250 1400 mV
200
1600 mV
1000 1250 2250 mV
–10
0.20
10 µA
2 pF
UI^†
0.16
UI^†
150
ps
0.60
UI
34
38 bits
76
107 bits
V(cmt)
VOD(pp_d) VOD(pp_p)
tf
tr
VOD(d)
Bit
Bit
Time
Time
VOD(p)
Figure 12. Differential and Common-Mode Output Voltage Definitions (|VTXP – VTXN|)
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