Datasheet

SN65C1406, SN75C1406
TRIPLE LOW-POWER DRIVERS/RECEIVERS
SLLS148E – MAY 1990 – REVISED OCTOBER 2001
6
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
RECEIVER SECTION
electrical characteristics over operating free-air temperature range, V
DD
= 12 V, V
SS
= –12 V,
V
CC
= 5 V ± 10% (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN
TYP
†
MAX UNIT
V
IT+
Positive-going input
threshold voltage
See Figure 5 1.7 2 2.55 V
V
IT–
Negative-going input
threshold voltage
See Figure 5 0.65 1 1.25 V
V
hys
Input hysteresis voltage
(V
IT+
–V
IT–
)
600 1000 mV
V
I
= 0.75 V, I
OH
= –20 µA, See Figure 5 and Note 5 3.5
V
OH
High level out
p
ut voltage
V 0 75 V
I 1A
V
CC
= 4.5 V 2.8 4.4
V
V
OH
High
-
level
output
voltage
V
I
= 0.75 V,
See Figure 5
I
OH
= –1 mA,
V
CC
= 5 V
3.8 4.9
V
See
Figure
5
V
CC
= 5.5 V 4.3 5.4
V
OL
Low-level output voltage V
I
= 3 V, I
OL
= 3.2 mA, See Figure 5 0.17 0.4 V
I
IH
High level in
p
ut current
V
I
= 2.5 V 3.6 4.6 8.3
mA
I
IH
High
-
level
input
current
V
I
= 3 V 0.43 0.55 1
mA
I
IL
Low level in
p
ut current
V
I
= –2.5 V –3.6 –5 –8.3
mA
I
IL
Low
-
level
input
current
V
I
= –3 V –0.43 –0.55 –1
mA
I
OS(H)
Hi
g
h-level short-circuit
V
I
= 0 75 V
V
O
=0
See Figure 4
8
15
mA
I
OS(H)
g
output current
V
I
=
0
.
75
V
,
V
O
=
0
,
See
Figure
4
–
8
–
15
mA
I
OS(L)
Low-level short-circuit
V
I
=V
CC
V
O
=V
CC
See Figure 4
13
25
mA
I
OS(L)
output current
V
I
=
V
CC
,
V
O
=
V
CC
,
See
Figure
4
13
25
mA
I
CC
Su
pp
ly current from V
CC
No load,
V
DD
= 5 V, V
SS
= –5 V 320 450
µA
I
CC
Supply
current
from
V
CC
All inputs at 0 or 5 V
V
DD
= 12 V, V
SS
= –12 V 320 450
µ
A
†
All typical values are at T
A
= 25°C.
NOTE 5: If the inputs are left unconnected, the receiver interprets this as an input low and the receiver outputs remain in the high state.
switching characteristics at T
A
= 25°C, V
DD
= 12 V, V
SS
= –12 V, V
CC
= 5 V ± 10% (unless otherwise
noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
t
PLH
Propagation delay time, low- to high-level output
C
L
= 50 pF,
See Figure 6
R
L
= 5 kΩ,
3 4 µs
t
PHL
Propagation delay time, high- to low-level output
C
L
= 50 pF,
See Figure 6
R
L
= 5 kΩ,
3 4 µs
t
TLH
Transition time, low- to high-level output
‡
C
L
= 50 pF,
See Figure 6
R
L
= 5 kΩ,
300 450 ns
t
THL
Transition time, high- to low-level output
‡
C
L
= 50 pF,
See Figure 6
R
L
= 5 kΩ,
100 300 ns
t
w(N)
Duration of longest pulse rejected as noise
§
C
L
= 50 pF, R
L
= 5 kΩ 1 4 µs
‡
Measured between 10% and 90% points of output waveform
§
The receiver ignores any positive- or negative-going pulse that is less than the minimum value of t
w(N
) and accepts any positive- or negative-going
pulse greater than the maximum of t
w(N)
.