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SN55976A Datasheet

Part Number SN55976A
Manufacturers Texas Instruments
Logo Texas Instruments
Description 9-CHANNEL DIFFERENTIAL TRANSCEIVER
Datasheet SN55976A DatasheetSN55976A Datasheet (PDF)

SN75976A, SN55976A 9-CHANNEL DIFFERENTIAL TRANSCEIVER SLLS218B – MAY 1995 – REVISED MAY 1997 D Improved Speed and Package Replacement for the SN75LBC976 D Designed to Operate at up to 20 Million SN75976A DGG or DL SN55976A WD (TOP VIEW) Data Transfers per Second (Fast-20 SCSI) D Nine Differential Channels for the Data and Control Paths of the Small Computer Systems Interface (SCSI) and Intelligent Peripheral Interface (IPI) D SN75976A Packaged in Shrink Small-Outline Package with 25-Mil Term.

  SN55976A   SN55976A






9-CHANNEL DIFFERENTIAL TRANSCEIVER

SN75976A, SN55976A 9-CHANNEL DIFFERENTIAL TRANSCEIVER SLLS218B – MAY 1995 – REVISED MAY 1997 D Improved Speed and Package Replacement for the SN75LBC976 D Designed to Operate at up to 20 Million SN75976A DGG or DL SN55976A WD (TOP VIEW) Data Transfers per Second (Fast-20 SCSI) D Nine Differential Channels for the Data and Control Paths of the Small Computer Systems Interface (SCSI) and Intelligent Peripheral Interface (IPI) D SN75976A Packaged in Shrink Small-Outline Package with 25-Mil Terminal Pitch (DL) and Thin Shrink Small-Outline Package with 20-Mil Terminal Pitch (DGG) D SN55976A Packaged in a 56-Pin Ceramic Flat Pack (WD) D Two Skew Limits Available D ESD Protection on Bus Terminals Exceeds 12 kV D Low Disabled Supply Current 8 mA Typ D Thermal Shutdown Protection D Positive- and Negative-Current Limiting D Power-Up/Down Glitch Protection GND 1 BSR 2 CRE 3 1A 4 1DE/RE 5 2A 6 2DE/RE 7 3A 8 3DE/RE 9 4A 10 4DE/RE 11 VCC 12 GND 13 GND 14 GND 15 GND 16 GND 17 VCC 18 5A 19 56 CDE2 55 CDE1 54 CDE0 53 9B+ 52 9B– 51 8B+ 50 8B – 49 7B+ 48 7B – 47 6B+ 46 6B – 45 VCC 44 GND 43 GND 42 GND 41 GND 40 GND 39 VCC 38 5B+ 5DE/RE 20 37 5B – description 6A 21 36 4B+ The SN75976A is an improved replacement for the industry’s first 9-channel RS-485 transceiver — the SN75LBC976. The A version offers improved switching performance, a smaller package, and higher ESD protection. The SN75976A is offered in two versions. The ’976A2 skew limits of 4 ns for the differential drivers and 6.


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