SN75976, SN75976 A2 DGGR, SN75976A Selling Leads, Datasheet
MFG:TEXAS Package Cooled:SSOP56 D/C:03+
SN75976, SN75976 A2 DGGR, SN75976A Datasheet download
Part Number: SN75976
MFG: TEXAS
Package Cooled: SSOP56
D/C: 03+
SN75976, SN75976 A2 DGGR, SN75976A
- Table of contents:
Info of SN75976
Info of SN75976 A2 DGGR
Info of SN75976A
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About SN75976A
PDF/DataSheet Download
Datasheet: SN75976A
File Size: 470348 KB
Manufacturer: TI [Texas Instruments]
Download : Click here to Download
About SN7000
PDF/DataSheet Download
Datasheet: SN7000
File Size: 81454 KB
Manufacturer: SIEMENS [Siemens Semiconductor Group]
Download : Click here to Download
About SN75976A
PDF/DataSheet Download
Datasheet: SN75976A
File Size: 470348 KB
Manufacturer: TI [Texas Instruments]
Download : Click here to Download
SN75976A General Description
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 5 ns for the differential receivers complies with the recommended skew budget of the Fast-20 SCSI standard for data transfer rates up to 20 million transfers per second. The '976A1 supports the Fast SCSI skew budget for 10 million
transfers per second. The skew limit ensures that the propagation delay times, not only from channel-to-channel but from device-to-device, are closely matched for the tight skew budgets associated with high-speed parallel data buses.
The patented thermal enhancements made to the 56-pin shrink small-outline package (SSOP) of the SN75976 have been applied to the new, thin shrink, small-outline package (TSSOP). The TSSOP package offers even less board area requirements than the SSOP while reducing the package height to 1 mm. This provides more board area and allows component mounting to both sides of the printed circuit boards for low-profile, space-restricted applications such as small form-factor hard disk drives.
SN75976A Maximum Ratings
Supply voltage range, VCC(see Note 1). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.3 V to 6 V
Bus voltage range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..10 V to 15 V
Data I/O and control (A side) voltage range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.3 V to VCC+0.5 V
Electrostatic discharge:B side and GND, Class 3, A: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (see Note 2) 12 kV
B side and GND, Class 3, B: (see Note 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 400 V
All terminals, Class 3, A:. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 kV
All terminals, Class 3, B: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. .. . . . . . . .400 V
Continuous total power dissipation (see Note 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . internally limited
Storage temperature range, Tstg. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . 65°C to 150°C
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260°C
Bus voltage range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..10 V to 15 V
Data I/O and control (A side) voltage range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.3 V to VCC+0.5 V
Electrostatic discharge:B side and GND, Class 3, A: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (see Note 2) 12 kV
B side and GND, Class 3, B: (see Note 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 400 V
All terminals, Class 3, A:. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 kV
All terminals, Class 3, B: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. .. . . . . . . .400 V
Continuous total power dissipation (see Note 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . internally limited
Storage temperature range, Tstg. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . 65°C to 150°C
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260°C
SN75976A Features
Improved Speed and Package Replacement
for the SN75LBC976
Designed to Operate at up to 20 Million
Data Transfers per Second (Fast-20 SCSI)
Nine Differential Channels for the Data and
Control Paths of the Small Computer
Systems Interface (SCSI) and Intelligent
Peripheral Interface (IPI)
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)
SN55976A Packaged in a 56-Pin Ceramic
Flat Pack (WD)
Two Skew Limits Available
ESD Protection on Bus Terminals
Exceeds 12 kV
Low Disabled Supply Current 8 mA Typ
Thermal Shutdown Protection
Positive- and Negative-Current Limiting
Power-Up/Down Glitch Protection
for the SN75LBC976
Designed to Operate at up to 20 Million
Data Transfers per Second (Fast-20 SCSI)
Nine Differential Channels for the Data and
Control Paths of the Small Computer
Systems Interface (SCSI) and Intelligent
Peripheral Interface (IPI)
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)
SN55976A Packaged in a 56-Pin Ceramic
Flat Pack (WD)
Two Skew Limits Available
ESD Protection on Bus Terminals
Exceeds 12 kV
Low Disabled Supply Current 8 mA Typ
Thermal Shutdown Protection
Positive- and Negative-Current Limiting
Power-Up/Down Glitch Protection
SN75976A Connection Diagram
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