Datasheet

SN75155
LINE DRIVER AND RECEIVER
SLLS017C − JULY 1986 − REVISED MAY 1995
6
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
TEST CIRCUIT
C
L
= 50 pF
(see Note A)
Output
R
L
= 3 kΩ
Input
VOLTAGE WAVEFORMS
V
OL
V
OH
0 V
3 V
Output
Input
10%
50%
10%
50%
t
PLH
t
PHL
1.5 V
90%
90%
t
r
t
f
See Note B
1.5 V
NOTES: A. C
L
includes probe and jig capacitance.
B. The input waveform is supplied by a generator with the following characteristics: Z
O
= 50 Ω, t
w
= 1 μs, t
r
≤ 10 ns, t
f
≤ 10 ns.
Figure 2. Driver Section Switching Test Circuit and Voltage Waveforms
1.5 V
10%
5 V
R
L
= 400 Ω
C
L
= 50 pF
(see Note A)
VOLTAGE WAVEFORMSTEST CIRCUIT
90%
V
OL
V
OH
0 V
4 V
t
PLH
90%
t
PHL
2 V
10%
1.5 V
t
r
t
f
Response
Control
Input
Output
Input
Output
See Note B
2 V
NOTES: A. C
L
includes probe and jig capacitance.
B. The input waveform is supplied by a generator with the following characteristics: Z
O
= 50 Ω, t
w
= 1 μs, t
r
≤ 10 ns, t
f
≤ 10 ns.
Figure 3. Receiver Section Switching Test Circuit and Voltage Waveforms