DS64BR111_13 Datasheet, PDF (7/39 Pages) Texas Instruments – DS64BR111 Ultra Low Power 6.4 Gbps 2-Channel Repeaters with Input Equalization and Output De-Emphasis

DS64BR111
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ELECTRICAL CHARACTERISTICS (continued)
Symbol
Parameter
Conditions
Min
V_OD1
Output Voltage
Differential Swing
OUT+ and OUT- AC coupled
500
and terminated by 50Ω to GND
VOD_SEL = LOW (700 mV
setting)
DE = LOW
V_OD2
Output Voltage
Differential Swing
OUT+ and OUT- AC coupled
800
and terminated by 50Ω to GND
VOD_SEL = FLOAT (1000 mV
setting)
DE = LOW
V_OD3
Output Voltage
Differential Swing
OUT+ and OUT- AC coupled
950
and terminated by 50Ω to GND
VOD_SEL = 20K (1200 mV
setting)
DE = LOW
V_{OD_DE1}
De-Emphasis Levels
OUT+ and OUT- AC coupled
and terminated by 50Ω to GND
VOD_SEL = FLOAT (1000 mV
setting)
DE = FLOAT
V_{OD_DE2}
De-Emphasis Levels
OUT+ and OUT- AC coupled
and terminated by 50Ω to GND
VOD_SEL = FLOAT (1000 mV
setting)
DE = 20K
V_{OD_DE3}
De-Emphasis Levels
OUT+ and OUT- AC coupled
and terminated by 50Ω to GND
VOD_SEL = FLOAT (1000 mV
setting)
DE = HIGH
V_CM-AC
Output Common-Mode AC Common Mode Voltage
Voltage
DE = 0 dB, VOD <= 1000 mV
V_CM-DC
Output DC Common- DC Common Mode Voltage
0
Mode Voltage
V_IDLE
TX IDLE Output
Voltage
RL_TX-DIFF
TX return loss
SDD22 @ 4.1 GHz
SDD22 @ 11.1 GHz
SCC22 @ 2.5 GHz
delta Z_M
T_R/F
SCC22 @ 11.1 GHz
Transmitter Termination DC, I_FORCE = +/- 100 uA⁽³⁾
Mismatch
Transmitter Rise and
Fall Time
20% - 80%⁽⁴⁾
T_PD
T_CCSK
Propagation Delay
Channel to Channel
Skew
Measured at 50% crossing
T = 25°C, VDD = 2.5V
T_PPSK
Part to Part Channel
Skew
T = 25°C, VDD = 2.5V
T_DI
Time to transition to
valid electrical IDLE
after an active burst in
OOB signaling
T_ID
Time to transition to
valid active burst after
leaving electrical IDLE
in OOB signaling
SNLS343C – SEPTEMBER 2011 – REVISED APRIL 2013
Typ
650
Max
800
Units
mVp-p
1000
1100
1150
1350
-3
dB
-6
dB
-9
dB
4.5
mV (RMS)
1.1
1.9
V
30
mV
-13
dB
-9
-22
-10
2.5
%
38
Ω
230
ps
7
ps
20
ps
6.5
ns
3.2
ns
(3) Force +/- 100 uA on output, measure delta V on the Output and calculate impedance. Mismatch is the percentage difference of OUTn+
and OUTn- impedance driving the same logic state.
(4) Default VOD used for testing. DE = -1.5 dB level used to compensate for fixture attenuation.
Copyright © 2011–2013, Texas Instruments Incorporated
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