MC145407F - CMOS RS-232C Driver / Receiver
TOP VIEW MC145407F IL22 C-MOS RS-232C DRIVER/RECEIVER C2+ 1 2 GND C2 3 4 VSS RX1 IN 5 TX1 OUT 6 RX2 IN 7 TX2 OUT 8 RX3 IN 9 TX3 OUT 10 R R R 20 C1+ VCC 19 18 C1 VDD (+5V) 17 16 DO1 OUT D 15 DI1 IN 14 DO2 OUT D 13 DI2 IN 12 DO3 OUT D INPUT DI1 - DI3 RX1 - RX3 w w w OUTPUT DO1 - DO3 TX1 - TX3 t a .D S a D = DRIVER R = RECIVER e h 11 DI3 IN U 4 t e .c m o ; RS-232C DRIVER INPUTS ; RECEIVER
