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CT2554 Dataheets PDF



Part Number CT2554
Manufacturers Aeroflex Circuit Technology
Logo Aeroflex Circuit Technology
Description CT2553 / 2554 / 2555 / 2556 Advanced Integrated MUX (AIM) Hybrid FOR MIL-STD-1553
Datasheet CT2554 DatasheetCT2554 Datasheet (PDF)

CT2553 / 2554 / 2555 / 2556 Advanced Integrated MUX (AIM) Hybrid FOR MIL-STD-1553 Features I I A E RO I I I I I I I I I I Second Source Compatible to the BUS-61553 Complete Integrated MUX Including: • Low Power Dual Transceiver • BC/RTU/MT Protocol • 8K x 16 Shared Ram • Interrupt Logic Compatible with MIL-STD- 1750 and other Standard CPUs DIP or Flatpack Hybrid Minimizes CPU Overhead Provides Memory Mapped 1553 Interface On-Line & Off-Line Self-Test PCs Development Tools Available SEAFAC T.

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CT2553 / 2554 / 2555 / 2556 Advanced Integrated MUX (AIM) Hybrid FOR MIL-STD-1553 Features I I A E RO I I I I I I I I I I Second Source Compatible to the BUS-61553 Complete Integrated MUX Including: • Low Power Dual Transceiver • BC/RTU/MT Protocol • 8K x 16 Shared Ram • Interrupt Logic Compatible with MIL-STD- 1750 and other Standard CPUs DIP or Flatpack Hybrid Minimizes CPU Overhead Provides Memory Mapped 1553 Interface On-Line & Off-Line Self-Test PCs Development Tools Available SEAFAC Tested MIL-PRF-38534 compliant circuits available DESC SMD #5962–88692 Pending Packaging – Hermetic Metal • 78 Pin, 2.1" x 1.87" x .25" Plug-In type package • 82 Lead, 2.2" x 1.61" x .18" Flat package CIRCUIT TECHNOLOGY www.aeroflex.com F LE X LA C ISO 9001 E RTIFIED B S I NC . General Description Aeroflex’s CT2553 Advanced Integrated Mux (AIM) Hybrid is a complete MIL-STD-1553 Bus Controller (BC), Remote Terminal Unit (RTU), and Bus Monitor (MT) device. Packaged in a single 78 pin DIP package, the CT2553 contains dual low-power transceivers, complete BC/RTU/MT protocol logic, a MIL-STD-1553-to-host interface unit and an 8K x 16 RAM. Using an industry standard dual transceiver and standard status and control signals, the CT2553 simplifies system integration at both the MIL-STD-1553 and host processor interface levels. All 1553 operations are controlled through the CPU access to the shared 8K x 16 RAM. To ensure maximum design flexibility, memory control lines are provided for attaching external RAM to the CT2553 Address and Data Buses and for disabling internal memory; the total combined memory space can be expanded to 64K x16. All 1553 transfers are entirely memory-mapped; thus the CPU interface requires minimal hardware and/or software support. The CT2553 operates over the full military -55°C to +125°C temperature range. Available screened to MIL-STD883, the CT2553 is ideal for demanding military and industrial microprocessor to 1553 interface applications. See "Ordering Information" (last sheet) for CT2554, CT2555 & CT2556. eroflex Circuit Technology – Data Bus Modules For The Future © SCDCT2553 REV B 8/6/99 Q1553-2 TRANSCEIVER A TX INH CLOCK IN TX MSTRCLR 8 1 Aeroflex Circuit Technology DATA BUS A 2 4 3 TRANSFORMER A RX DECODER CHANNEL A ENCODER/ MEMORY TIMING SELECT STRBD READYD RD/WR MEM/REG RX CPU TIMING 768µs TIMEOUT PROTOCOL CONTROLLER CONTENTION RESOLVER INTERRUPT GENERATOR EXTEN EXTLD INT 2 TX INH TX A15 - A00 Q1553-2 8 1 D15 - D00 DATA BUS B 2 4 3 CHANNEL B ENCODER/ RX DECODER TRANSFORMER B 8K X 16 SHARED RAM RTADR0 RTADR1 RTADR2 RX TRANSCEIVER B RAM PARITY CHECKER RT ADDR RTADR3 RTADRP RTADR4 RTPARERR Note: The Watch-Dog Time Out (768µs TYP.) is built in. SCDCT2553 REV B 8/6/99 Plainview NY (516) 694-6700 Figure 1 – CT2553 Block Diagram Values at nominal Power Supply Voltages unless otherwise specified PARAMETER Receiver Differential Input Voltage Differential Input Impedance CMRR Transmitter (Di.


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