Datasheet

SN65HVD20, SN65HVD21
SN65HVD22, SN65HVD23, SN65HVD24
www.ti.com SLLS552E –DECEMBER 2002–REVISED MAY 2010
DRIVER SWITCHING CHARACTERISTICS
over recommended operating conditions
PARAMETER TEST CONDITIONS MIN TYP
(1)
MAX UNIT
t
PLH
Differential output propagation delay, low-to-high HVD20, HVD23 6 10 20
R
L
= 54 Ω,
C
L
= 50 pF, HVD21, HVD24 20 32 60 ns
t
PHL
Differential output propagation delay, high-to-low
See Figure 3
HVD22 160 280 500
t
r
Differential output rise time HVD20, HVD23 2 6 12
R
L
= 54 Ω,
C
L
= 50 pF, HVD21, HVD24 20 40 60 ns
t
f
Differential output fall time
See Figure 3
HVD22 200 400 600
t
PZH
Propagation delay time, high-impedance-to-high-level output HVD20, HVD23 40
RE at 0 V,
HVD21, HVD24 100 ns
See Figure 6
t
PHZ
Propagation delay time, high-level output-to-high-impedance
HVD22 300
HVD20, HVD23 40
t
PZL
Propagation delay time, high-impedance-to-high-level output
RE at 0 V,
HVD21, HVD24 100 ns
See Figure 7
t
PLZ
Propagation delay time, high-level output-to-high-impedance HVD22 300
t
d(standby)
Time from an active differential output to standby 2 µs
RE at V
CC
, See Figure 8
t
d(wake)
Wake-up time from standby to an active differential output 8 µs
HVD20, HVD23 2
t
sk(p )
Pulse skew | t
PLH
– t
PHL
| HVD21, HVD24 6 ns
HVD22 50
(1) All typical values are at V
CC
= 5 V and 25°C
RECEIVER ELECTRICAL CHARACTERISTICS
over recommended operating conditions
PARAMETER TEST CONDITIONS MIN TYP
(1)
MAX UNIT
V
IT(+)
Positive-going differential input voltage threshold V
O
= 2.4 V, I
O
= –8 mA 60 200
See Figure 10 mV
V
IT(–)
Negative-going differential input voltage threshold V
O
= 0.4 V, I
O
= 8 mA –200 –60
V
HYS
Hysteresis voltage (V
IT+
– V
IT–
) 100 130 mV
VCM = −7 V to 12 V 40 120 200
Positive-going differential input failsafe voltage
V
IT(F+)
See Figure 15 mV
threshold
VCM = −20 V to 25 V 120 250
VCM = −7 V to 12 V –200 –120 −40
Negative-going differential input failsafe voltage
V
IT(F–)
See Figure 15 mV
threshold
VCM = −20 V to 25 V –250 –120
V
IK
Input clamp voltage I
I
= –18 mA –1.5 V
V
OH
High-level output voltage V
ID
= 200 mV, I
OH
= −8 mA, See Figure 11 4 V
V
OL
Low-level output voltage V
ID
= –200 mV, I
OL
= 8 mA, See Figure 11 0.4 V
HVD20, HVD23 –400 500
V
I
= –7 to 12 V,
Other input = 0 V
HVD21, HVD22, HVD24 –100 125
I
I(BUS)
Bus input current (power on or power off) µA
HVD20, HVD23 –800 1000
V
I
= −20 to 25 V,
Other input = 0 V
HVD21, HVD22, HVD24 –200 250
I
I
Input current RE –100 100 µA
HVD20, HVD23 24
R
I
Input resistanceInput resistance kΩ
HVD21, HVD22, HVD24 96
C
ID
Differential input capacitance 20 pF
V
ID
= 0.5 + 0.4 sine (2π × 1.5 × 10
6
t)
(1) All typical values are at 25°C.
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