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