Datasheet

SN75ALS191
DUAL DIFFERENTIAL LINE DRIVER
SLLS032B − DECEMBER 1987 − REVISED MAY 1995
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
V
OD2
V
OC
50 Ω
50 Ω
Input
Figure 1. Differential and Common-Mode Output Voltages
VOLTAGE WAVEFORMSTEST CIRCUIT
Z Output
R
L
= 100 Ω
50 Ω
C
L
C
L
Y Output
90%
0 V
3 V
1.5 V
1.5 V
t
d(OD)
Differential
Output
t
d(OD)
Input
90%
10% 10%
t
t(OD)
t
t(OD)
50%
50%
Y Output
Skew
Z Output
V
OH
V
OL
V
OH
V
OL
Generator
(see Note A)
C
L
= 15 pF
(see Note B)
50% 50%
Skew
NOTES: A. The input pulse generator has the following characteristics: Z
O
= 50 Ω, PRR ≤ 500 kHz, t
w
= 100 ns, t
r
= ≤ 5 ns.
B. C
L
includes probe and jig capacitance.
Figure 2. Test Circuit and Voltage Waveforms