TLK1211RCP_07 Datasheet, PDF (12/20 Pages) Texas Instruments – ETHERNET TRANSCEIVERS

TLK1211RCP
ETHERNET TRANSCEIVERS
SLLS658C – SEPTEMBER 2006 – REVISED SEPTEMBER 2007
www.ti.com
TRANSMITTER/RECEIVER CHARACTERISTICS
V_OD
V_(cm)
I_lkg(R)
C_I
t_(TJ)
t_(DJ)
t_r, t_f
t_d(Txlatency)
t_d(Rxlatency)
PARAMETER
V_OD = |TxD-TxN|
Transmit common mode voltage range
Receiver input voltage requirement,
V_ID = |RxP - RxN|
Receiver common mode voltage range, (RxP
+ RxN)/2
Receiver input leakage current
Receiver input capacitance
Serial data total jitter (peak-to-peak)
Serial data deterministic jitter (peak-to-peak)
Differential signal rise, fall time (20% to 80%)
Serial data jitter tolerance minimum required
eye opening, (per IEEE-802.3 specification at
1.25Gbps and per CPRI 2.0 specification at
614.4Mbps)
Receiver data acquisition lock time from
powerup
Data re-lock time from application of valid
input data stream
Tx latency
Rx latency
TBI modes
DDR mode
TBI modes
DDR mode
TBI mode
DDR mode
TBI mode
DDR mode
TEST CONDITIONS
R_t = 50Ω
R_t = 50Ω
Differential output jitter, Random +
deterministic, PRBS pattern,
R_ω = 125 MHz
Differential output jitter, Random +
deterministic, PRBS pattern,
R_ω = 106.25 MHz
Differential output jitter, PRBS pattern,
R_ω = 125 MHz
R_L = 50 Ω, C_L = 5 pF, See Figure 8
and Figure 7
Differential input jitter, Random +
deterministic, R_ω = 125 MHz
Differential input jitter, Random + .4 UI
deterministic, R_ω = 61.44MHz
.75 UI jitter closure with random data
@ 1.25 Gbps
.20 UI jitter closure with 01010.. data
@ 1.25Gbps
See Figure 1
See Figure 6
600–620 Mbps
600–620 Mbps
1228.8 Mbps
1228.8 Mbps
MIN
600
1000
TYP
800
1250
MAX
1100
1400
UNIT ⁽¹⁾
mV
mV
200
1600 mV
1000 1250 2250 mV
-350
350 μA
2
pF
0.24 UI
0.2 UI
0.10 UI
100
250 ps
0.25
UI
0.34
UI
500 μs
256 ns
128 ns
20
22
UI
30
32
18
24
17
23
18
21
UI
17
22
19
23
18
23
(1) UI = serial bit time
TX+
t_r
TX−
80% ^{∼ V}
50%
20% _{∼ V}
t_f
80% ^{∼ V}
50%
20% ∼ V
t_f
80%
VOD
20%
t_r
∼ 1V
0V
∼ −1V
Figure 7. Differential and Common-Mode Output Voltage Definitions
12
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