SN75ALS180_07 Datasheet, PDF (8/21 Pages) Texas Instruments – DIFFERENTIAL DRIVER AND RECEIVER PAIRS

SN65ALS180, SN75ALS180
DIFFERENTIAL DRIVER AND RECEIVER PAIRS
SLLS052G – AUGUST 1987 – REVISED APRIL 2003
PARAMETER MEASUREMENT INFORMATION
Generator
(see Note B)
50 Ω
3V
CL = 50 pF
(see Note A)
RL = 54 Ω
Output
Input
1.5 V
td(ODH)
Output
50%
10%
tt(OD)
3V
1.5 V
0V
td(ODL)
90%
≈2.5 V
50%
10% _{≈–2.5 V}
tt(OD)
TEST CIRCUIT
VOLTAGE WAVEFORMS
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 3. Driver Test Circuit and Voltage Waveforms
0 V or 3 V
Generator
(see Note B)
50 Ω
Output
S1
CL = 50 pF
(see Note A)
RL = 110 Ω
Input
Output
1.5 V
tPZH
2.3 V
tPHZ
3V
1.5 V
0V
0.5 V
VOH
Voff ≈ 0 V
TEST CIRCUIT
VOLTAGE WAVEFORMS
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 4. Driver Test Circuit and Voltage Waveforms
5V
0 V or 3 V
Generator
(see Note B)
50 Ω
RL = 110 Ω
S1
Output
CL = 50 pF
(see Note A)
Input
tPZL
Output
1.5 V
2.3 V
1.5 V
3V
0V
tPLZ
5V
0.5 V
VOL
TEST CIRCUIT
VOLTAGE WAVEFORMS
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 5. Driver Test Circuit and Voltage Waveforms
8
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265