Datasheet

SN65ALS1176
DIFFERENTIAL BUS TRANSCEIVER
SLLS295A – APRIL 1998 – REVISED DECEMBER 1999
8
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
TEST CIRCUIT VOLTAGE WAVEFORMS
1.5 V
V
OH
t
PHZ
t
PZH
0 V
3 V
1.5 V
2.3 V
Output
Input
Output
S1
0 V or 3 V
R
L
= 110 Ω
50 Ω
V
off
≈ 0 V
Generator
(see Note B)
C
L
= 50 pF
(see Note A)
NOTES: A. C
L
includes probe and jig capacitance.
B. The input pulse is supplied by a generator having the following characteristics: PRR ≤ 1 MHz, 50% duty cycle, t
r
≤ 6 ns, t
f
≤ 6 ns,
Z
O
=50Ω.
0.5 V
Figure 4. Driver Enable and Disable Times
TEST CIRCUIT VOLTAGE WAVEFORMS
V
OL
t
PLZ
t
PZL
5 V
0.5 V
2.3 V
0 V
3 V
1.5 V1.5 V
5 V
Output
Input
Output
S1
R
L
= 110 Ω
C
L
= 50 pF
(see Note A)
NOTES: A. C
L
includes probe and jig capacitance.
B. The input pulse is supplied by a generator having the following characteristics: PRR ≤ 1 MHz, 50% duty cycle, t
r
≤ 6 ns, t
f
≤ 6 ns,
Z
O
=50Ω.
0 V or 3 V
50 Ω
Generator
(see Note B)
Figure 5. Driver Enable and Disable Times