DS64MB201_13 Datasheet, PDF (8/32 Pages) Texas Instruments – Dual Lane 2:1/1:2 Mux/Buffer with Equalization and De-Emphasis

DS64MB201
SNLS307E – JANUARY 2011 – REVISED JULY 2013
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Electrical Characteristics (continued)
Over recommended operating supply and temperature ranges with default register settings unless other specified.⁽¹⁾
Symbol
Parameter
Conditions
Min
Typ
Max
R_TX-IB
Tx Impedance Balance
Repeating 1100b (D24.3) pattern,
(SDC22)
VOD = 1.0 Vp-p,
50 MHz – 3.0 GHz
-30
See ⁽⁴⁾
I_TX-SHORT
Tx Output Short Circuit Current
Limit
90
R_OTD
Output Differential Impedance
between OUT+ and OUT-
See ⁽⁴⁾
85
100
125
R_OTIB
Output Differential Impedance
Imbalance
See ⁽⁴⁾
5
R_OCM
Output Common Mode Impedance See ⁽⁴⁾
20
25
35
V_TX-CM-DELTA Common Mode Voltage Delta
Minimum Temperature for OOB signal pass-
between active burst and electrical through is -10C.
Idle of an OOB signal
VIN = 800 mVp-p, at 3 Gbps,
±40
See ⁽⁷⁾
T_DI
Max time to transition to valid
Minimum Temperature for OOB signal pass-
electrical idle after leaving active through is -10C.
burst in OOB signaling
VIN = 800 mVp-p, at 3 Gbps,
See Figure 5
6.5
9.5
T_ID
Max time to transition to valid
Minimum Temperature for OOB signal pass-
active burst after leaving idle in
through is -10C.
OOB signaling
VIN = 800 mVp-p, at 3 Gbps,
See Figure 5
5.5
8.0
T_PD
Differential Propagation Delay (Low Propagation delay measure at midpoint
to High and High to Low Edge
crossing between input to outputEQx[1:0] =
11, DEMx[1:0] = —6 dB
150
200
250
See Figure 4
EQz[1:0] = OFF, DEMx[1:0] = 0 dB
120
170
220
T_LSK
Lane to Lane Skew in a Single Part V_DD = 2.5V, T_A = 25C
27
T_PPSK
Part to Part Propagation Delay
Skew
V_DD = 2.5V, T_A = 25C
35
T_SM
Switch/Mux Time
Time to switch/mux between A and B
input/output signals
150
EQUALIZATION
DJ1
Residual Deterministic Jitter at 6.4 Tx Launch Amplitude = 0.8 to
Gbps
1.2 Vp–p, 40” 4–mil FR4 trace,
ENSMB = 1, EQ setting = 0x3B, DEMx[1:0] =
0dB, VOD = 1.0 Vp-p, K28.5, SD_TH = float
See ⁽⁸⁾
0.12 0.25
DJ2
Residual Deterministic Jitter at 3.2 Tx Launch Amplitude = 0.8 to
Gbps
1.2 Vp–p, 40” 4–mil FR4 trace,
EQ setting = 0x3C, DEMx[1:0] = 0dB, VOD =
1.0 Vp-p, K28.5, SD_TH = float
See ⁽⁸⁾
0.05 0.125
RJ
Random Jitter
Tx Launch Amplitude = 0.8 to
1.2 Vp–p, Repeating 1100b (D24.3) pattern
0.5
DE-EMPHASIS
DJ3
Residual Deterministic Jitter at 6.4 Tx Launch Amplitude = 0.8 to
Gbps
1.2 Vp–p, 10” 4–mil FR4 trace,
EQx = off, DEMx = −6 dB,
VOD = 1.0 Vp-p, K28.5, RATE = 1
See ⁽⁸⁾
0.09 0.20
Units
dB
mA
Ω
Ω
Ω
mV
ns
ns
ps
ps
ps
ps
ns
UI_P-P
UI_P-P
psrms
UI_P-P
(7) Common-mode voltage (VCM) is expressed mathematically as the average of the two signal voltages with respect to local ground.VCM
= (A + B) / 2, A = OUT+, B = OUT-.
(8) Typical values represent most likely parametric norms at V_DD = 2.5V, T_A = 25°C., and at the Recommended Operation Conditions at the
time of product characterization and are not ensured.
8
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