SN75ALS171 Datasheet, PDF (13/19 Pages) Texas Instruments – TRIPLE DIFFERENTIAL BUS TRANSCEIVERS

1.5 V
– 1.5 V
SN75ALS171, SN75ALS171A
TRIPLE DIFFERENTIAL BUS TRANSCEIVERS
SLLS056D – AUGUST 1987 – REVISED SEPTEMBER 1995
PARAMETER MEASUREMENT INFORMATION
S1
S2
2 kΩ
5V
CL = 15 pF
(see Note B)
5 kΩ
1N916 or Equivalent
Generator
(see Note A)
50 Ω
S3
Input
Output
tPZH
Input
1.5 V
tPHZ
Output ^{0.5 V}
3V
1.5 V
0V
TEST CIRCUIT
S1 to 1.5 V
S2 Open
S3 Closed
Input
VOH
1.5 V
0V
Output
3V
S1 to 1.5 V
S2 Closed
S3 Closed
0V
Input
tPLZ
VOH
Output
≈ 1.3 V
VOLTAGE WAVEFORMS
tPZL
1.5 V
0.5 V
3V
1.5 V
S1 to – 1.5 V
0 V _{S2 Closed}
S3 Open
≈ 4.5 V
1.5 V
VOL
3V
S1 to – 1.5 V
S2 Closed
S3 Closed
0V
≈ 1.3 V
VOL
NOTES: A. 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.
B. CL includes probe and jig capacitance.
Figure 10. Receiver Test Circuit and Voltage Waveforms
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