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HI-1568CDM-03 Datasheet(PDF) 1 Page - Holt Integrated Circuits |
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HI-1568CDM-03 Datasheet(HTML) 1 Page - Holt Integrated Circuits |
1 / 7 page HI-1567, HI-1568 DESCRIPTION FEATURES PIN CONFIGURATIONS The HI-1567 and HI-1568 are low power CMOS dual transceivers designed to meet the requirements of MIL-STD-1553 /1760 specifications. The transmitter section of each channel takes complimentary CMOS/ TTL digital input data and converts it to bi-phase Manchester encoded 1553 signals suitable for driving the bus isolation transformer. Separate transmitter inhibit control signals are provided for each transmitter. The receiver section of the each channel converts the 1553 bus bi-phase data to complimentary CMOS/ TTL data suitable for inputting toa Manchester decoder. Each receiver hasa separate enable input which can be used to force the output of the receiver toa logic0 (HI-1567) or logic1 (HI-1568). To minimize the package size for this function, the transmitter outputs are internally connected to the receiver inputs, so that only two pins are required for connection to each coupling transformer. For designs requiring independent access to transmitter and receiver 1553 signals, please contact your Holt Sales representative. VDDA 1 BUSA 2 3 RXENA 4 GNDA 5 VDDB 6 BUSB 7 8 RXENB 9 GNDB 10 BUSA BUSB ! ! ! ! ! ! ! Compliant to MIL-STD-1553A& B, MIL-STD-1760 CMOS technology for low standby power Smallest footprint available in 20 pin plastic ESOIC (thermally enhanced SOIC) package Less than 1.0W maximum power dissipation Available in DIP, Flatpack and small outline (ESOIC) package options Military processing options Industry standard pin configurations 20 Pin Ceramic DIP package 20 19 TXA 18 TXINHA 17 RXA 16 15 14 TXB 13 TXINHB 12 RXB 11 TXA RXA TXB RXB VDDA BUSA RXENA GNDA VDDB BUSB RXENB GNDB BUSA BUSB TXA RXA TXB RXB TXA TXINHA RXA TXB TXINHB RXB 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 20 Pin Plastic ESOIC- WB package March 2001 (DS1567 Rev. B) 03/01 HOLT INTEGRATED CIRCUITS 1 |
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