Datasheet
DS90LV028A
www.ti.com
SNLS013E –JUNE 1998–REVISED APRIL 2013
Electrical Characteristics
Over Supply Voltage and Operating Temperature ranges, unless otherwise specified.
(1) (2)
Symbol Parameter Conditions Pin Min Typ Max Units
V
TH
Differential Input High Threshold V
CM
= +1.2V, 0V, 3V
(3)
R
IN
+, +100 mV
R
IN
−
V
TL
Differential Input Low Threshold −100 mV
I
IN
Input Current V
IN
= +2.8V V
CC
= 3.6V or 0V −10 ±1 +10 μA
V
IN
= 0V −10 ±1 +10 μA
V
IN
= +3.6V V
CC
= 0V -20 +20 μA
V
OH
Output High Voltage I
OH
= −0.4 mA, V
ID
= +200 mV R
OUT
2.7 3.1 V
I
OH
= −0.4 mA, Inputs terminated 2.7 3.1 V
I
OH
= −0.4 mA, Inputs shorted 2.7 3.1 V
V
OL
Output Low Voltage I
OL
= 2 mA, V
ID
= −200 mV 0.3 0.5 V
I
OS
Output Short Circuit Current V
OUT
= 0V
(4)
−15 −50 −100 mA
V
CL
Input Clamp Voltage I
CL
= −18 mA −1.5 −0.8 V
I
CC
No Load Supply Current Inputs Open V
CC
5.4 9 mA
(1) Current into device pins is defined as positive. Current out of device pins is defined as negative. All voltages are referenced to ground
unless otherwise specified (such as V
ID
).
(2) All typicals are given for: V
CC
= +3.3V and T
A
= +25°C.
(3) V
CC
is always higher than R
IN
+ and R
IN
− voltage. R
IN
+ and R
IN
− are allowed to have voltage range −0.05V to +3.05V. V
ID
is not allowed
to be greater than 100 mV when V
CM
= 0V or 3V.
(4) Output short circuit current (I
OS
) is specified as magnitude only, minus sign indicates direction only. Only one output should be shorted
at a time, do not exceed maximum junction temperature specification.
Switching Characteristics
V
CC
= +3.3V ± 10%, T
A
= −40°C to +85°C
(1) (2)
Symbol Parameter Conditions Min Typ Max Units
t
PHLD
Differential Propagation Delay High to Low C
L
= 15 pF 1.0 1.6 2.5 ns
t
PLHD
Differential Propagation Delay Low to High V
ID
= 200 mV 1.0 1.7 2.5 ns
t
SKD1
Differential Pulse Skew |t
PHLD
− t
PLHD
|
(3)
(Figure 3 and Figure 4) 0 50 400 ps
t
SKD2
Differential Channel-to-Channel Skew-same device
(4)
0 0.1 0.5 ns
t
SKD3
Differential Part to Part Skew
(5)
0 1.0 ns
t
SKD4
Differential Part to Part Skew
(6)
0 1.5 ns
t
TLH
Rise Time 325 800 ps
t
THL
Fall Time 225 800 ps
f
MAX
Maximum Operating Frequency
(7)
200 250 MHz
(1) C
L
includes probe and jig capacitance.
(2) Generator waveform for all tests unless otherwise specified: f = 1 MHz, Z
O
= 50Ω, t
r
and t
f
(0% to 100%) ≤ 3 ns for R
IN
.
(3) t
SKD1
is the magnitude difference in differential propagation delay time between the positive-going-edge and the negative-going-edge of
the same channel.
(4) t
SKD2
is the differential channel-to-channel skew of any event on the same device. This specification applies to devices having multiple
receivers within the integrated circuit.
(5) t
SKD3
, part to part skew, is the differential channel-to-channel skew of any event between devices. This specification applies to devices
at the same V
CC
and within 5°C of each other within the operating temperature range.
(6) t
SKD4
, part to part skew, is the differential channel-to-channel skew of any event between devices. This specification applies to devices
over the recommended operating temperature and voltage ranges, and across process distribution. t
SKD4
is defined as |Max − Min|
differential propagation delay.
(7) f
MAX
generator input conditions: t
r
= t
f
< 1 ns (0% to 100%), 50% duty cycle, differential (1.05V to 1.35 peak to peak). Output criteria:
60%/40% duty cycle, V
OL
(max 0.4V), V
OH
(min 2.7V), load = 15 pF (stray plus probes).
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