Datasheet
DS90CR287, DS90CR288A
SNLS056G –OCTOBER 1999–REVISED MARCH 2013
www.ti.com
Electrical Characteristics
(1)
Over recommended operating supply and temperature ranges unless otherwise specified
Symbol Parameter Conditions Min Typ
(2)
Max Units
LVCMOS/LVTTL DC SPECIFICATIONS
V
IH
High Level Input Voltage 2.0 V
CC
V
V
IL
Low Level Input Voltage GND 0.8 V
V
OH
High Level Output Voltage I
OH
= −0.4 mA 2.7 3.3 V
V
OL
Low Level Output Voltage I
OL
= 2 mA 0.06 0.3 V
V
CL
Input Clamp Voltage I
CL
= −18 mA −0.79 −1.5 V
I
IN
Input Current V
IN
= 0.4V, 2.5V or V
CC
+1.8 +15 μA
V
IN
= GND −10 0 μA
I
OS
Output Short Circuit Current V
OUT
= 0V −60 −120 mA
LVDS DRIVER DC SPECIFICATIONS
V
OD
Differential Output Voltage R
L
= 100Ω 250 290 450 mV
ΔV
OD
Change in V
OD
between Complimentary
35 mV
Output States
V
OS
Offset Voltage
(3)
1.125 1.25 1.375 V
ΔV
OS
Change in V
OS
between Complimentary
35 mV
Output States
I
OS
Output Short Circuit Current V
OUT
= 0V, R
L
= 100Ω −3.5 −5 mA
I
OZ
Output TRI-STATE Current PWR DWN = 0V, V
OUT
= 0V or V
CC
±1 ±10 μA
LVDS RECEIVER DC SPECIFICATIONS
V
TH
Differential Input High Threshold V
CM
= +1.2V +100 mV
V
TL
Differential Input Low Threshold −100 mV
I
IN
Input Current V
IN
= +2.4V, V
CC
= 3.6V ±10 μA
V
IN
= 0V, V
CC
= 3.6V ±10 μA
TRANSMITTER SUPPLY CURRENT
I
CCTW
Transmitter Supply Current Worst Case R
L
= 100Ω, f = 33 MHz 31 45 mA
(with Loads)
(4)
C
L
= 5 pF,
f = 40 MHz 32 50 mA
Worst Case Pattern
f = 66 MHz 37 55 mA
Figure 6, Figure 7
f = 85 MHz 42 60 mA
I
CCTZ
Transmitter Supply Current Power PWR DWN = Low
Down
(4)
Driver Outputs in TRI-STATE 10 55 μA
under Powerdown Mode
RECEIVER SUPPLY CURRENT
I
CCRW
Receiver Supply Current Worst Case C
L
= 8 pF, f = 33 MHz 49 70 mA
Worst Case Pattern
f = 40 MHz 53 75 mA
Figure 6, Figure 8
f = 66 MHz 81 114 mA
f = 85 MHz 96 135 mA
I
CCRZ
Receiver Supply Current Power Down PWR DWN = Low
Receiver Outputs Stay Low during 140 400 μA
Powerdown Mode
(1) “Absolute Maximum Ratings” are those values beyond which the safety of the device cannot be guaranteed. They are not meant to
imply that the device should be operated at these limits. “Electrical Characteristics” specify conditions for device operation.
(2) Typical values are given for V
CC
= 3.3V and T
A
= +25°C.
(3) V
OS
previously referred as V
CM
.
(4) Current into device pins is defined as positive. Current out of device pins is defined as negative. Voltages are referenced to ground
unless otherwise specified (except V
OD
and ΔV
OD
).
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