Features: Supply voltage range4.75V to 11.5V single supply Low quiescent current5.0 mA maximum On-chip oscillator based on inexpensive R-C components Pulse width modulation techniques minimize error and maximize frequency tolerance Mode input for either master or slave operations Chip select (CS)...
MM54240: Features: Supply voltage range4.75V to 11.5V single supply Low quiescent current5.0 mA maximum On-chip oscillator based on inexpensive R-C components Pulse width modulation techniques minimize erro...
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The MM54240 finds application in transmitting data to and receiving data from remote A-D/D-A, remote microprocessor units, remote digital transducer or remote data peripheral devices.
The MM54240 is a monolithic MOS integrated circuit utilizing N-channel low-threshold, enhancement mode and ionimplanted depletion mode devices. The circuit MM54240 is designed for processor-type remote control applications. The data transmission consists of a pulse width modulated serial data stream of 18 bits. This stream consists of 7 address bits, 1 command bit, 8 data bits, 1 parity bit and 1 dummy bit in that order.
The MM54240 can be operated in two modes; namely "master'' and "slave''. The master interfaces to a processor bus, and is capable of polling and controlling 128 slave circuits. The slave circuits are interfaced to remote data sources and/or data destinations.