Datasheet

SN75196
MULTIPLE RS-232 DRIVERS AND RECEIVERS
SLLS188B – MAY 1995 – REVISED APRIL 1998
8
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
V
I
V
DD
V
CC
V
SS
–I
OS
Figure 4. Receiver Test Circuit for I
OS
V
IT
, V
I
V
DD
V
CC
V
SS
I
OL
V
OH
–I
OH
V
OL
Figure 5. Receiver Test Circuit for V
IT
, V
OH
, and V
OL
5 V
–5
V
50%
50%
Input
t
PHL
t
PLH
90%
50%
10%
50%
10%
90%
t
THL
t
TLH
V
O
H
V
O
L
VOLTAGE WAVEFORMS
Output
NOTES: A. The pulse generator has the following characteristics: t
w
= 25 µs, PRR = 20 kHz, Z
O
= 50 Ω, t
r
= t
f
< 50 ns.
B. C
L
includes probe and jig capacitance.
Pulse
Generator
See Note A
C
L
(see Note B)
R
L
TEST CIRCUIT
Input
V
SS
V
CC
V
DD
V
O
Figure 6. Receiver Propagation and Transition Times