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HI-1570PST Datasheet(PDF) 1 Page - Holt Integrated Circuits |
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HI-1570PST Datasheet(HTML) 1 Page - Holt Integrated Circuits |
1 / 11 page HI-1570 MIL-STD-1553 / 1760 5V Monolithic Dual Variable AmplitudeTransceiver DESCRIPTION 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. 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 bus 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“. The transmitter section of each bus takes complementary CMOS / TTL Manchester II bi-phase data and converts it to differential voltages suitable for driving the bus isolation transformer. bus differential 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. 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 7mm x 7mm plastic chip-scale (QFN) package with integral heatsink Less than 1.0W maximum power dissipation Industrial and extended temperature ranges Industry standard pin configurations July 2009 (DS1570 Rev. G) 07/09 20 Pin Ceramic DIP package 20 Pin Plastic ESOIC - WB package 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 1570CDI 1570CDT 1570CDM PIN CONFIGURATIONS PIN CONFIGURATIONS N/C 1 RXENA 2 GNDA 3 GNDA 4 GNDA 5 VDDA/B 6 VDDA/B 7 BUSB 8 BUSB 9 10 11 BUSB BUSB 33 N/C 32 N/C 31 TXINHA 30 RXA 29 28 N/C 27 N/C 26 25 TXB 24 TXINHB 23 N/C RXA TXB 1570PCI 1570PCT 44 Pin Plastic 7mm x 7mm Chip-scale package 1570PSI 1570PST 1570PSM 1 BUSA 2 3 RXENA 4 GNDA 5 VDDA/B 6 BUSB 7 8 RXENB 9 GNDB 10 V A&B CONT BUSA BUSB 20 19 TXA 18 TXINHA 17 RXA 16 15 14 TXB 13 TXINHB 12 RXB 11 TXA RXA TXB RXB HOLT INTEGRATED CIRCUITS www.holtic.com |
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