HA12240FP Bus Interface Driver/Receiver IC REJ03F0095-0100Z Rev.
1.
0 Dec.
01.
2003 Description The HA12240FP is developed to be used as a bus interface driver/receiver IC in automotive audio equipment controllers.
It implements a two-wire serial bus.
Functions • • • • • • Two-input OR circuit Input comparator circuit (3.
3 V and 5.
0 V available) Current output driver circuit Receiver input comparator circuit Receiver output circuit (Open-collector output) Standby circuit Features • • • • • • • • Supports two data inputs (Pins 1 and 3 are the input pins) Comparators with hysteresis characteristics are adopted for the inputs (3.
3 V and 5.
0 V available) Current drive output drivers adopted (Outp...

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