Datasheet
SN751177, SN751178
DUAL DIFFERENTIAL DRIVERS AND RECEIVERS
SLLS059D – FEBRUARY 1990 – REVISED MAY 1999
9
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
Y
Output
V
OL
V
OH
V
OL
V
OH
t
PLH
t
PHL
t
PHL
t
PLH
Output
R
L
= 27 Ω
VOLTAGE WAVEFORMSTEST CIRCUIT
50 Ω
Input
0 V
3 V
Generator
(see Note B)
C
L
= 15 pF
(see Note A)
Z
Output
NOTES: A. C
L
includes probe and jig capacitance.
B. The pulse generator has the following characteristics: PRR ≤ 1 MHz, 50% duty cycle, Z
O
= 50 Ω, t
r
≤ 6 ns, t
f
≤ 6 ns.
1.5 V 1.5 V
2.3 V 2.3 V
2.3 V 2.3 V
3 V
2.3 V
S1
Figure 4. Driver Propagation-Time Test Circuit and Voltage Waveforms
t
PHZ
V
off
≈ 0 V
Output
V
OH
VOLTAGE WAVEFORMSTEST CIRCUIT
Input
0 V
3 V
t
PZH
NOTES: A. C
L
includes probe and jig capacitance.
B. The pulse generator has the following characteristics: PRR ≤ 1 MHz, 50% duty cycle, Z
O
= 50 Ω, t
r
≤ 6 ns, t
f
≤ 6 ns.
R
L
= 110 Ω
50 Ω
Generator
(see Note B)
C
L
= 15 pF
(see Note A)
0 V or 3 V
Output
1.5 V 1.5 V
0.5 V
2.3 V
S1
Figure 5. Driver Enable- and Disable-Time Test Circuit and Voltage Waveforms
V
OL
5 V
t
PLZ
t
PZL
Output
VOLTAGE WAVEFORMSTEST CIRCUIT
Input
0 V
3 V
NOTES: A. C
L
includes probe and jig capacitance.
B. The pulse generator has the following characteristics: PRR ≤ 1 MHz, 50% duty cycle, Z
O
= 50 Ω, t
r
≤ 6 ns, t
f
≤ 6 ns.
R
L
= 110 Ω
50 Ω
Generator
(see Note B)
C
L
= 15 pF
(see Note A)
0 V or 3 V
S1
Output
5 V
0.5 V
1.5 V
2.3 V
1.5 V
Figure 6. Driver Enable- and Disable-Time Test Circuit and Voltage Waveforms