Datasheet

www.ti.com
RECOMMENDED OPERATING CONDITIONS
TIMING SPECIFICATIONS
INPUT ELECTRICAL CHARACTERISTICS
SN65LVDS250
SN65LVDT250
SLLS594B MARCH 2004 REVISED OCTOBER 2004
MIN NOM MAX UNIT
V
CC
Supply voltage 3 3.3 3.6 V
V
IH
High-level input voltage S10-S41, 1DE-4DE 2 V
CC
V
V
IL
Low-level input voltage S10-S41, 1DE-4DE 0 0.8 V
LVDS 0.1 1 V
|V
ID
| Magnitude of differential input voltage
LVDT 0.1 0.8 V
Input voltage (any combination of common-mode or input signals) 0 3.3 V
T
J
Junction temperature 140 ° C
T
A
(1)
Operating free-air temperature -40 85 ° C
(1) Maximum free-air temperature operation is allowed as long as the device maximum junction temperature is not exceeded.
PARAMETER MIN NOM MAX UNIT
t
SET
Input to select setup time 0.6 ns
t
HOLD
Input to select hold time See Figure 7 0.2 ns
t
SWITCH
Select to switch output 1.2 1.6 ns
over recommended operating conditions unless otherwise noted
(1)
PARAMETER TEST CONDITIONS MIN TYP
(1)
MAX UNIT
V
IT+
Positive-going differential input voltage threshold See Figure 1 100 mV
V
IT-
Negative-going differential input voltage threshold See Figure 1 -100 mV
V
ID(HYS)
Differential input voltage hysteresis 25 mV
1DE-4DE -10
I
IH
High-level input current V
IH
= 2 V µA
S10-S41 20
1DE-4DE -10
I
IL
Low-level input current V
IL
= 0.8 V µA
S10-S41 20
V
I
= 0 V or 3.3 V, second input at 1.2 V
I
I
Input current (A or B inputs) -20 20 µA
(other input open for LVDT)
V
CC
1.5 V, V
I
= 0 V or 3.3 V, second
I
I(OFF)
Input current (A or B inputs) input at 1.2 V(other input open for -20 20 µA
LVDT)
I
IO
Input offset current (|I
IA
- I
IB
|) (LVDS) V
IA
= V
IB,
0 V
IA
3.3 V -6 6 µA
Termination resistance (LVDT) V
ID
= 300 mV, V
IC
= 0 V to 3.3 V 90 110 132
R
T
V
ID
= 300 mV, V
IC
= 0 V to 3.3 V,
Termination resistance (LVDT with power-off) 90 110 132
V
CC
= 1.5 V
C
I
Differential input capacitance 2.5 pF
(1) All typical values are at 25 ° C and with a 3.3 V supply.
5