GD75323
MULTIPLE RS-232 DRIVERS AND RECEIVERS
SLLS213A – JANUARY 1996 – REVISED JUNE 1999
schematic (each driver)
To Other Drivers
V
DD
11.6 kΩ
9.4 kΩ
Input DAx
75.8 Ω
320 Ω
DYx Output
4.2 kΩ
GND
To Other
Drivers
10.4 kΩ
3.3 kΩ
68.5 Ω
V
SS
To Other Drivers
Resistor values shown are nominal.
schematic (each receiver)
To Other Receivers
V
CC
9 kΩ
5 kΩ
1.66 kΩ
RYx Output
2 kΩ
3.8 kΩ
Input RAx
10 kΩ
GND
To Other Receivers
Resistor values shown are nominal.
3
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