SN65176B, SN75176B
DIFFERENTIAL BUS TRANSCEIVERS
SLLS101D – JULY 1985 – REVISED APRIL 2003
PARAMETER MEASUREMENT INFORMATION
S1
1.5 V
S2
2 kΩ
–1.5 V
5 V
C
= 15 pF
L
(see Note A)
1N916 or Equivalent
5 kΩ
Generator
(see Note B)
50 Ω
S3
TEST CIRCUIT
3 V
3 V
Input
Input
1.5 V
1.5 V
S1 to 1.5 V
S2 Open
S3 Closed
S1 to –1.5 V
0 V
0 V S2 Closed
t
S3 Open
PZH
t
PZL
V
OH
≈4.5 V
1.5 V
Output
Input
Output
Input
1.5 V
0 V
3 V
0 V
V
OL
3 V
0 V
S1 to 1.5 V
S2 Closed
S3 Closed
S1 to –1.5 V
S2 Closed
S3 Closed
1.5 V
1.5 V
t
PHZ
t
PLZ
V
OH
≈1.3 V
0.5 V
Output
Output
0.5 V
≈1.3 V
V
OL
VOLTAGE WAVEFORMS
NOTES: A.
C includes probe and jig capacitance.
L
B. The input pulse is supplied by a generator having the following characteristics: PRR ≤ 1 MHz, 50% duty cycle, t ≤ 6 ns, t ≤ 6 ns,
r
f
Z
O
= 50 Ω.
Figure 7. Receiver Test Circuit and Voltage Waveforms
9
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TI [ TEXAS INSTRUMENTS ]
