SN75C23243 port equivalent, 3-v to 5.5-v dual rs-232 port.
− Battery-Powered Systems, Notebooks, Laptops, Palmtop PCs, and Hand-Held Equipment
VCC 14 FORCEOFFB 15
DOUT1B 16 DOUT2.
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RIN2B 21 RIN3B 22
28 ROUT2B 27 ROUT3B
The SN65C23243 and SN75C23243 consist of
RIN4B 23 26 ROUT4B
two ports, each containing three line drivers and
RIN5B 24 25 ROUT5B
five line receivers, and a dual charge-pump circuit
wi.
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