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DS21S07A

Features: • Fully compliant with SCSI1, Fast SCSI and Ultra SCSI• Backward compatible to the DS2107 and DS2107A• Provides active termination for nine signal lines• Lasertrimmed 110 ohm termination resistors have 2% tolerance• Low dropout voltage regulator• Power...

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SeekIC No. : 004328818 Detail

DS21S07A: Features: • Fully compliant with SCSI1, Fast SCSI and Ultra SCSI• Backward compatible to the DS2107 and DS2107A• Provides active termination for nine signal lines• Lasertrimm...

DS21S07A Data Sheet

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Part Number:
DS21S07A
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

• Fully compliant with SCSI1, Fast SCSI and Ultra SCSI
• Backward compatible to the DS2107 and DS2107A
• Provides active termination for nine signal lines
• Lasertrimmed 110 ohm termination resistors have 2% tolerance
• Low dropout voltage regulator
• Powerdown mode isolates termination resistors from the bus
• SCSI bus hot plugcompatible
• Fully supports actively negated SCSI signals
• Onboard thermal shutdown circuitry
• 16pin plastic SOIC (DS21S07AS) and 20pin plastic TSSOP (Thin Shrink Small Outline Package) (DS21S07AE)


Pinout

Connection Diagram


Specifications

Voltage on Any Pin Relative to Ground            1.0V to +7.0V
Operating Temperature                                   0°C to 70°C
Storage Temperature                                     55°C to +125°C
Soldering Temperature                                    260°C for 10 seconds


Description

Fast SCSI and Ultra SCSI require the use of active terminations at both ends of every cable segment in a SCSI system with singleended drivers and receivers. The DS21S07A SCSI Terminator, which is fully compliant with these standards, enables the designer to gain the benefits of active termination: greater immunity to voltage drops on the TERMPWR (TERMination PoWeR) line, enhanced high-level noise immunity, intrinsic TERMPWR decoupling, and very low quiescent current consumption. The DS21S07A integrates a regulator and nine precise switched 110 ohm termination resistors into a monolithic IC. The DS21S07A can be electrically isolated from the SCSI bus without physical removal from the SCSI device.




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