SN75196_16 Datasheet, PDF (8/19 Pages) Texas Instruments – MULTIPLE RS-232 DRIVERS AND RECEIVERS

SN75196
MULTIPLE RS-232 DRIVERS AND RECEIVERS
SLLS188B – MAY 1995 – REVISED APRIL 1998
PARAMETER MEASUREMENT INFORMATION
VDD
VCC
–IOS
VI
VSS
Figure 4. Receiver Test Circuit for I_OS
VDD
VCC
VIT, VI
VSS
VOL
VOH
IOL
–IOH
Figure 5. Receiver Test Circuit for V_IT, V_OH, and V_OL
VDD
Input _VCC
Pulse
Generator
See Note A
RL
VSS
TEST CIRCUIT
Input
VO
CL
(see Note B)
Output
50%
90%
tTHL
tPHL
50%
10%
50%
50%
10%
VOLTAGE WAVEFORMS
5V
tPLH
90%
–5 V
VOH
VOL
tTLH
NOTES: A. The pulse generator has the following characteristics: tw = 25 µs, PRR = 20 kHz, ZO = 50 Ω, tr = tf < 50 ns.
B. CL includes probe and jig capacitance.
Figure 6. Receiver Propagation and Transition Times
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