Datasheet
DS90C032
SNLS094D –JUNE 1998–REVISED APRIL 2013
www.ti.com
Electrical Characteristics
Over Supply Voltage and Operating Temperature ranges, unless otherwise specified.
Symbol Parameter Conditions Pin Min Typ Max Units
V
TH
Differential Input High Threshold V
CM
= +1.2V R
IN+
, +100 mV
R
IN−
V
TL
Differential Input Low Threshold −100 mV
I
IN
Input Current V
IN
= +2.4V V
CC
= 5.5V −10 ±1 +10 µA
V
IN
= 0V −10 ±1 +10 µA
V
OH
Output High Voltage I
OH
= −0.4 mA, V
ID
= +200 mV R
OUT
3.8 4.9 V
I
OH
= −0.4 mA, Input DS90C032T 3.8 4.9 V
terminated
V
OL
Output Low Voltage I
OL
= 2 mA, V
ID
= −200 mV 0.07 0.3 V
I
OS
Output Short Circuit Current Enabled, V
OUT
= 0V
(1)
−15 −60 −100 mA
I
OZ
Output TRI-STATE Current Disabled, V
OUT
= 0V or V
CC
−10 ±1 +10 µA
V
IH
Input High Voltage EN, 2.0 V
EN*
V
IL
Input Low Voltage 0.8 V
I
I
Input Current −10 ±1 +10 µA
V
CL
Input Clamp Voltage I
CL
= −18 mA −1.5 −0.8 V
I
CC
No Load Supply Current, Receivers EN, EN* = V
CC
or GND, Inputs DS90C032T V
CC
3.5 10 mA
Enabled Open
DS90C032E 3.5 11 mA
EN, EN* = 2.4 or 0.5, Inputs Open 3.7 11 mA
I
CCZ
No Load Supply Current, Receivers EN = GND, EN* = V
CC
, Inputs DS90C032T 3.5 10 mA
Disabled Open
DS90C032E 3.5 11 mA
(1) 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
= +5.0V, T
A
= +25°C, DS90C032T
(1)(2)(3)(4)
Symbol Parameter Conditions Min Typ Max Units
t
PHLD
Differential Propagation Delay High to Low C
L
= 5 pF, 1.5 3.40 5.0 ns
V
ID
= 200 mV,
t
PLHD
Differential Propagation Delay Low to High 1.5 3.48 5.0 ns
See Figure 2 and Figure 3
t
SKD
Differential Skew |t
PHLD
− t
PLHD
| 0 80 600 ps
t
SK1
Channel-to-Channel Skew
(3)
0 0.6 1.0 ns
t
TLH
Rise Time 0.5 2.0 ns
t
THL
Fall Time 0.5 2.0 ns
t
PHZ
Disable Time High to Z R
L
= 2 kΩ, 10 15 ns
C
L
= 10 pF,
t
PLZ
Disable Time Low to Z 10 15 ns
See Figure 4 and Figure 5
t
PZH
Enable Time Z to High 4 10 ns
t
PZL
Enable Time Z to Low 4 10 ns
(1) All typical values are given for: V
CC
= +5.0V, T
A
= +25°C.
(2) Generator waveform for all tests unless otherwise specified: f = 1 MHz, Z
O
= 50Ω, t
r
and t
f
(0%–100%) ≤ 1 ns for R
IN
and t
r
and t
f
≤ 6 ns
for EN or EN*.
(3) Channel-to-Channel Skew is defined as the difference between the propagation delay of one channel and that of the others on the same
chip with an event on the inputs.
(4) C
L
includes probe and jig capacitance.
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