1489 receivers equivalent, line receivers.
O Meetsspecificatioonf EIARS232C. O Current-limiteodutputtypically10mA. O Minimumpower-ofof utputimpedanceof 300O. O Slewraiecontrolvialoadcapacitor. O Inputcompatiblewit.
Figure5 Logictranslator
I N P U TF R O M TTL OR DTL
1/4 1M
Vcc* = 12V Vcc- = -1 2V
5392
OUTPUTTROTL -o.7vTo 3.7V OUTPUT.
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