Datasheet

SN65HVD37
SLLSE92 A –OCTOBER 2011–REVISED NOVEMBER 2011 www.ti.com
SWITCHING CHARACTERISTICS
over recommended operating conditions (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
DRIVER
Driver differential output rise/fall
t
r
, t
f
3 6 14
time
R
L
= 54 Ω, C
L
= 50 pF, See Figure 4 ns
t
PHL
, t
PLH
Driver propagation delay 10 20
t
SK(P)
Driver pulse skew, |t
PHL
– t
PLH
| 1
t
PHZ
, t
PLZ
Driver disable time See Figure 5 and Figure 6 20 50 ns
Receiver enabled 8 25 ns
t
PZH
, t
PZL
Driver enable time See Figure 5 and Figure 6
Receiver disabled 2.6 8 μs
RECEIVER
t
r
, t
f
Receiver output rise/fall time 2 5 9 ns
t
PHL
, t
PLH
Receiver propagation delay time 40 50 75 ns
C
L
= 15 pF, See Figure 7
Receiver pulse skew,
t
SK(P)
2 5 ns
|t
PHL
– t
PLH
|
t
PLZ
, t
PHZ
Receiver disable time 15 25 ns
Driver enabled, See Figure 8 35 50 ns
t
PZL(1)
, t
PZH(1)
,
Receiver enable time
t
PZL(2)
, t
PZH(2)
Driver disabled, See Figure 8 3 8 μs
DRIVER FUNCTION TABLE
INPUT ENABLE OUTPUTS
D DE Y Z
H H H L Actively drive bus High
L H L H Actively drive bus Low
X L Z Z Driver disabled
X OPEN Z Z Driver disabled by default
OPEN H H L Actively drive bus High by default
RECEIVER FUNCTION TABLE
DIFFERENTIAL INPUT ENABLE OUTPUT
V
ID
= V
A
– V
B
RE R
V
IT+
< V
ID
L H Receive valid bus High
V
IT–
< V
ID
< V
IT+
L ? Indeterminate bus state
V
ID
< V
IT–
L L Receive valid bus Low
X H Z Receiver disabled
X OPEN Z Receiver disabled by default
Open-circuit bus L H Fail-safe high output
Short-circuit bus L H Fail-safe high output
Idle (terminated) bus L H Fail-safe high output
4 Submit Documentation Feedback Copyright © 2011, Texas Instruments Incorporated
Product Folder Link(s): SN65HVD37