Multimode SCSI 15 Line Terminator With Reverse Disconnect

The UCC5639 Multimode SCSI Terminator provides a smooth transition into the next generation of the SCSI Parallel Interface (SPI-2). It automati- cally senses the bus, via DIFFB, and switches the termination to either sin- gle ended (SE) or low voltage differential (LVD) SCSI dependent on which type of devices are connected to the bus. The UCC5639 CAN not be used on a HVD, EIA485, differential SCSI bus. If the UCC5639 detects a HVD SCSI device, it switches to a high impedance state. The Multimode terminator contains all functions required to terminate and auto detect and Switch modes for SPI-2 bus architectures. Single Ended and Differential impedances and currents are trimmed for maximum effec- tiveness. Fail Safe biasing is provided to insure signal integrity. Device/Bus type detection circuitry is integrated into the terminator to provide Automatic switching of termination between single ended and LVD SCSI and a high impedance for HVD SCSI The multimode function provides all the perform- ance Analog functions necessary to implement SPI-2 termination in a sin- gle monolithic device. The UCC5639 is offered in a 48 pin LQFP package for a temperature range of 0C to 70C. By Texas Instruments
UCC5639 's PackagesUCC5639 's pdf datasheet

UCC5639 Pinout, Pinouts
UCC5639 pinout,Pin out
This is one package pinout of UCC5639,If you need more pinouts please download UCC5639's pdf datasheet.

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