Datasheet

V
OC
V
OD
0 V or 3 V
A
B
V
A
V
B
V
OC(PP)
DV
OC(SS)
V
OC
C
L
D
A
RL/2
B
S0302-01
RL/2
60 1%W ±
V
OD
0 V or 3 V
_
+
–7 V < V(test) < 12 V
DE
V
CC
A
B
D
375 1%W ±
375 1%W ±
S0301-01
SN65HVD72
SN65HVD75
SN65HVD78
SLLSE11C –MARCH 2012–REVISED SEPTEMBER 2013 www.ti.com
SWITCHING CHARACTERISTICS
50 Mbps device (HVD78) bit time ≥ 20 ns (over recommended operating conditions)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
DRIVER
Driver differential output rise/fall 1 3 6 ns
t
r
, t
f
time
R
L
= 54 Ω, C
L
= 50 pF See Figure 3
t
PHL
, t
PLH
Driver propagation delay 9 15 ns
t
SK(P)
Driver pulse skew, |t
PHL
– t
PLH
| 0 1 ns
t
PHZ
, t
PLZ
Driver disable time 10 30 ns
See Figure 4 and
Receiver enabled 10 30 ns
Figure 5
t
PZH
, t
PZL
Driver enable time
Receiver disabled 8 µs
RECEIVER
t
r
, t
f
Receiver output rise/fall time 1 3 6 ns
t
PHL
, t
PLH
Receiver propagation delay time CL = 15 pF See Figure 6 35 ns
t
SK(P)
Receiver pulse skew, |t
PHL
– t
PLH
| 2.5 ns
t
PLZ
, t
PHZ
Receiver disable time 8 30 ns
Driver enabled See Figure 7 10 30 ns
t
pZL(1)
, t
PZH(1)
Receiver enable time
t
PZL(2)
, t
PZH(2)
Driver disabled See Figure 8 3 8 µs
PARAMETER MEASUREMENT INFORMATION
Input generator rate is 100 kbps, 50% duty cycle, rise and fall times less than 6 nsec, output impedance 50 Ω.
Figure 1. Measurement of Driver Differential Output Voltage with Common-Mode Load
Figure 2. Measurement of Driver Differential and Common-Mode output with RS-485 Load
6 Submit Documentation Feedback Copyright © 2012–2013, Texas Instruments Incorporated
Product Folder Links: SN65HVD72 SN65HVD75 SN65HVD78