Datasheet
SN75172
QUADRUPLE DIFFRENTIAL LINE DRIVER
SLLS038B – OCTOBER 1980 – REVISED MAY 1995
5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
VOLTAGE WAVEFORMSTEST CIRCUIT
Output
Input
1.5 V
2.3 V
1.5 V
t
PHZ
t
PZH
0.5 V
V
off
≈ 0 V
V
OH
0 V
3 V
0 V to 3 V
50 Ω
S1
C
L
= 50 pF
(see Note B)
R
L
= 110 Ω
Output
3 V
(see Note C)
Generator
(see Note A)
NOTES. A. The input pulse is supplied by a generator having the following characteristics: PRR ≤ 1 MHz, duty cycle = 50%, t
r
≤ 5 ns, t
f
≤ 5 ns,
Z
O
= 50 Ω.
B. C
L
includes probe and stray capacitance.
C. To test the active-low enable G
, ground G and apply an inverted waveform to G.
Figure 3. Test Circuit and Voltage Waveforms
VOLTAGE WAVEFORMS
Output
Input
t
PZL
1.5 V
2.3 V
0.5 V
t
PLZ
1.5 V
V
OL
5 V
0 V
3 V
TEST CIRCUIT
0 V to 3 V
50 Ω
S1
R
L
= 110 Ω
Output
3 V
(see Note C)
Generator
(see Note A)
5 V
C
L
= 50 pF
(see Note B)
NOTES. A. The input pulse is supplied by a generator having the following characteristics: PRR ≤ 1 MHz, duty cycle = 50%, t
r
≤ 5 ns, t
f
≤ 5 ns,
Z
O
= 50 Ω.
B. C
L
includes probe and stray capacitance.
C. To test the active-low enable G
, ground G and apply an inverted waveform to G.
Figure 4. Test Circuit and Voltage Waveforms