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