APPENDIX G - SPECIFICATIONS OF RS-232 TRANSCEIVER
PARAMETERS
RS-232 OUTPUTS
Output Voltage Swing
Output Resistance
Output Short Circuit Current
RS-232 INPUT
Voltage Range
Voltage Threshold
LOW
HIGH
Resistance
MIN.
TYP.
MAX.
±5
±9
300
±18
-15
+15
0.8
1.2
1.7
2.8
3
5
7
- 103
UNITS
CONDITIONS
Volts
All transmitter outputs loaded with 3k
Ω to Ground
Ohms
Vcc=0V, Vout=±2V
mA
Infinite duration
Volts
Volts
Vcc=5V, Ta=+25℃
Volts
Vcc=5V, Ta=+25℃
kΩ
Ta=+25℃, -15V≦Vin≦+15V