GD75232
MULTIPLE RS-232 DRIVERS AND RECEIVERS
SLLS206C – MAY 1995 – REVISED JULY 1998
logic symbol
†
RA1
RA2
RA3
DY1
DY2
RA4
DY3
RA5
2
3
4
5
6
7
8
9
19
18
17
16
15
14
13
12
RY1
RY2
RY3
DA1
DA2
RY4
DA3
RY5
logic diagram (positive logic)
RA1
RA2
RA3
DY1
DY2
RA4
2
3
4
5
6
7
8
9
19
18
17
16
15
14
13
12
RY1
RY2
RY3
DA1
DA2
RY4
DA3
RY5
† This symbol is in accordance with ANSI/IEEE Std 91-1984
and IEC Publication 617-12.
DY3
RA5
schematic (each driver)
To Other Drivers
VDD
11.6 kΩ
Input DAx
75.8
Ω
4.2 kΩ
320
Ω
9.4 kΩ
DYx Output
GND
To Other
Drivers
10.4 kΩ
VSS
To Other Drivers
Resistor values shown are nominal.
3.3 kΩ
68.5
Ω
2
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265