TLK4015_09 Datasheet, PDF (18/26 Pages) Texas Instruments – QUAB 0.6 to 1.5 Gbps TRANSCEIVER

TLK4015
QUAD 0.6 to 1.5 Gbps TRANSCEIVER
SLLS541B − DECEMBER 2002 − REVISED JULY 2006
transmitter/receiver characteristics
VOD(p)
VOD(pp_p)
VOD(d)
VOD(pp_d)
PARAMETER
Preemphasis VOD, direct,
VOD(p) = ȧVTXP−VTXNȧ
Differential, peak-to-peak output voltage
with preemphasis
De-emphasis output voltage,
ȧVTXP−VTXNȧ
Differential, peak-to-peak output voltage
with de-emphasis
V(term)
VID
V(cmr)
Ilkg
Ci
Transmit termination voltage range
Receiver input voltage differential,
ȧVRXP – VRXNȧ
Receiver common mode voltage range,
(VRXP + VRXN)/2
Receiver input leakage current
Receiver input capacitance
Serial data total jitter (peak-to-peak)
tr, tf
Differential output signal rise, fall time
(20% to 80%)
Jitter tolerance‡
td(Txlatency) Tx latency
td(Rxlatency) Rx latency
† _{UI is the time interval of one serialized bit.}
‡ _{Required eye opening}
TEST CONDITIONS
Rt = 50 Ω, RREF = 200 Ω, dc-coupled,
See Figure 11
Rt = 50 Ω, dc-coupled, See Figure 14
Rt = 50 Ω, ac-coupled, See Figure 15
Differential output jitter at 1.5 Gbps,
random + deterministic, PRBS pattern
Differential output jitter at 0.6 Gbps,
random + deterministic, PRBS pattern
RL = 50 Ω, CL = 5 pF, See Figure 11
Zero crossing
See Figure 2
See Figure 4
VOD(p)
VOD(d)
MIN NOM
840 1050
MAX UNIT
1260 mV
1680 2100
760 950
2520 mVp−p
1140 mV
1520 1900
2280 mVp−p
VDD
1500
mV
VDD−(VID/2) mV
200
mV
1500
VDD−(VID/2) mV
−10
10 µA
2 pF
0.10
UI†
0.10
UI†
100 150
0.40 0.50
34
76
ps
UI†
38 bits
107 bits
V(term)
VOD(pp_d) VOD(pp_p)
tf
tr
VOD(d)
Bit
Bit
Time
Time
VOD(p)
Figure 11. Differential- and Common-Mode Output Voltage Defintions
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