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HI-1570PSM Datasheet(PDF) 1 Page - Holt Integrated Circuits |
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HI-1570PSM Datasheet(HTML) 1 Page - Holt Integrated Circuits |
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1 / 9 page  HI-1570 MIL-STD-1553 / 1760 5V Monolithic Dual Variable AmplitudeTransceiver PIN CONFIGURATIONS DESCRIPTION bus 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. The HI-1570 is a low power CMOS dual +5V transceiver with the ability to vary the amplitude of the transmitter outputs. It is designed to meet the requirements of the MIL-STD-1553 / 1760 specifications. The transmitter section of each channel takes complementary 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. A single pin allows the user to control the transmitter output amplitude. The receiver section of each channel converts the 1553 bi-phase data to complementary CMOS / TTL data suitable for inputting to a Manchester decoder. Each receiver has a separate enable input which can be used to force the output of the receiver to a logic “0“. V A&B 1 BUSA 2 3 RXENA 4 GNDA 5 VDDA/B 6 BUSB 7 8 RXENB 9 GNDB 10 CONT BUSA BUSB FEATURES ! ! ! ! ! ! ! ! Compliant to MIL-STD-1553A & B, MIL-STD-1760, ARINC 708A CMOS technology for low standby power Single +5V power supply Variable transmitter output amplitude Smallest footprint available in 20 pin plastic ESOIC (thermally enhanced SOIC) package Less than 1.0W maximum power dissipation 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 November 2004 (DS1570 Rev. C) 11/04 V A&B 1 BUSA 2 3 RXENA 4 GNDA 5 VDDA/B 6 BUSB 7 8 RXENB 9 GNDB 10 CONT BUSA BUSB 20 19 TXA 18 TXINHA 17 RXA 16 15 14 TXB 13 TXINHB 12 RXB 11 TXA RXA TXB RXB 20 Pin Plastic ESOIC - WB package 1570PSI 1570PST 1570PSM 1570CDI 1570CDT 1570CDM HOLT INTEGRATED CIRCUITS www.holtic.com |
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