GD65232 Datasheet, PDF (8/18 Pages) Texas Instruments – MULTIPLE RS-232 DRIVERS AND RECEIVERS

GD65232, GD75232
ą
MULTIPLE RSĆ232 DRIVERS AND RECEIVERS
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SLLS206J − MAY 1995 − REVISED NOVEMBER 2004
PARAMETER MEASUREMENT INFORMATION
VDD
VCC
VI
VSS
Figure 4. Receiver Test Circuit for I_OS
VDD
VCC
VIT,
VI
VOL
VOH
IOL
−IOH
VSS
Figure 5. Receiver Test Circuit for V_IT, V_OH, and V_OL
VDD
Input _VCC
Pulse
Generator
See Note A
RL
VSS
Input
CL
(see Note B)
Output
50%
90%
tPHL
50%
10%
tTHL
50%
50%
10%
4V
tPLH
90%
0V
VOH
VOL
tTLH
TEST CIRCUIT
VOLTAGE WAVEFORMS
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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