MICRO CIRCUIT ENGINEERING ALEXANDRA WAY ASHCHURCH BUSINESS CENTRE TEWKESBURY GLOUCESTERSHIRE, GL20 8TB UNITED KINGDOM DATABUS – ARINC 429 • One way digital information transmission system • Words of 32 bits are transmitted in bipolar return to zero format www.micro-circuit.com Web Site: FACSIMILE: 44 (0) 1 684 299 435 TELEPHONE: 44 (0) 1 684 297 777 STANDARD PRODUCTS • Rise and fall times specified to limit EMI with other systems on aircraft • Up to 20 receivers can be attached to a transmitter • Custom product variants based on ARINC 429 available MCE CHIP SET MCE Product Designation Product Type Package Type No of I/O MT 70003 Single channel decoder DIL J-lead 64 68 MT 70014 Two channel encoder DIL J-lead 24 44 MT 72038 Four channel receiver DIL J-lead 24 28 MT 72066 Two channel receiver DIL J-lead 16 28 MT 34013 Eight channel decoder DIL J-lead 48 68 FEATURES • Chip set comprises 5 circuits which together form the basic building blocks for the simplest single channel receiver to complex multi-channel transmitter/receiver systems • All devices operate with single +5V supply with low power consumption <50mW • All devices screened to CECC 90000 Level B or MIL-STD- 883 Class B, if required • Other package options available with a tooling charge if not already in production MICRO CIRCUIT ENGINEERING ALEXANDRA WAY ASHCHURCH BUSINESS CENTRE TEWKESBURY GLOUCESTERSHIRE, GL20 8TB UNITED KINGDOM DATABUS – ARINC 429 MT 70003 – SINGLE CHANNEL DECODER • 16/24 bit parallel interface • Automatic address recognition option on 8/10 bits • Built in parity and word length error detection • HIGH/LOW speed programmable STANDARD PRODUCTS • Additional digital noise rejection built in MT 70014 – TWO CHANNEL ENCODER • 8 bit parallel interface • TTL/CMOS compatible I/P • Automatic parity generation • HIGH/LOW speed programmable independently in each channel MT 72038 – FOUR CHANNEL RECEIVER/ MT 72066 TWO CHANNEL RECEIVER • Converts received ARINC 429 data levels to 2 line CMOS compatible levels • Adjustable threshold using single external resistor • Input resistors protect from input line transients • Reduces system package count • Can be used as ARINC 429, 561, 568, 575 or TACAN interface www.micro-circuit.com Web Site: FACSIMILE: 44 (0) 1 684 299 435 TELEPHONE: 44 (0) 1 684 297 777 MT 34013 – EIGHT CHANNEL DECODER • 8/16 bit parallel interface • 3 channels programmable to HIGH/LOW speed data, 5 channels low speed • Programmable test I/P to all channels • Built in parity and word length error detection • Additional digital noise rejection built in