DS92UT16TUF Datasheet, PDF (77/86 Pages) National Semiconductor (TI) – UTOPIA-LVDS Bridge for 1.6 Gbps Bi-directional Data Transfers

24.0 Electrical Characteristics (Continued)
Bus LVDS DC Specifications
Over recommended operating supply and temperature ranges unless otherwise specified. (Note 14) LVDS Specifications are
for LVDS Input and Output pins only. Control inputs and clocks are specified under Control Pin and Clocks DC Specifications.
Symbol
Parameter
Conditions
Pin/Freq.
Min
Typ Max Units
V_TH
Differential Threshold High V_CM = 1.1V
Voltage
+50 +100 mV
V_TL
Differential Threshold Low
Voltage
−100 mV −50
mV
LVDS_ADin[+,−]
I_IN
Input Current
V_IN = +2.4V, V_CC = 3.6V
LVDS_BDin[+,−]
−10
or 0V
±5
+10 µA
V_IN = 0V, V_CC = 3.6V or
0V
−10
±5
+10 µA
V_OD
Output Differential Voltage R_L = 100Ω
(DO+)–(DO−)
350
450
550 mV
DV_OD
Output Differential Voltage
Unbalance
2
35
mV
V_OS
Offset Voltage
I_OS
Output Short Circuit
Current
DO = 0V, D_IN = H,
TXPWDN* and DEN =
2.4V
0.9
LVDS_ADout[+,−]
LVDS_BDout[+,−]
−35
1.0
1.3
V
−50
−70 mA
I_OZ
TRI-STATE Output Current TXPWDN* or DEN = 0.8V,
DO = 0V or V_DD
I_OX
Power-Off Output Current V_DD = 0V, DO = 0V or
3.6V
−10
±1
10
µA
−10
±1
10
µA
Supply Current, V_CC = 2.5V
Over recommended operating supply and temperature ranges unless otherwise specified. (Note 14)
Symbol
Parameter
Conditions
Pin/Freq.
Min
Typ
I_CCR
Worst Case Supply
Utopia C_L = 15 pF, Bus
Current
LVDS R_L = 100Ω, Checker
52 MHz
200
Pattern, CVDD = 2.63V
I_CCT
Typical Loading and
C_L = 15 pF, PRBS7 Data
33 MHz
112
Switching
Pattern
Max Units
260 mA
140 mA
Supply Current, V_CC = 3.3V
Over recommended operating supply and temperature ranges unless otherwise specified. (Note 14)
Symbol
Parameter
Conditions
Pin/Freq.
Min
Typ
I_CCR
Worst Case Supply
Utopia C_L = 15 pF, Bus
Current
LVDS R_L = 100Ω, Checker
52 MHz
270
Pattern, VDD = 3.6V
I_CCT
Typical Loading and
C_L = 15 pF, PRBS7 Data
33 MHz
140
Switching
Pattern
Max Units
360 mA
165 mA
UTOPIA Bus Switching Characteristics
Over recommended operating supply and temperature ranges unless otherwise specified. (Note 14)
Symbol
Parameter
Conditions
Pin/Freq.
Min
Typ
t_UCP
t_UDC
t_UJIT
Input Clock Period
Input Clock Duty Cycle
Input Clock Jitter
U_UUBClk,
U_UDBClk
20
40
50
1
Max Units
ns
60
%
5
%
77
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