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UCC5680

Features: · LVD-Only Active Termination· 2.7 V to 5.25 V Operation· Differential Failsafe Bias· Built-In SPI-3 Mode Change Filter/Delay· Standards Supported: SPI-3, Ultra2 (Fast 40), Ultra3/Ultra160 (Fast 80)PinoutSpecificationsTERMPWR Voltage . . . . . . . . . . . . . . . . . . . . . . . . ....

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SeekIC No. : 004536170 Detail

UCC5680: Features: · LVD-Only Active Termination· 2.7 V to 5.25 V Operation· Differential Failsafe Bias· Built-In SPI-3 Mode Change Filter/Delay· Standards Supported: SPI-3, Ultra2 (Fast 40), Ultra3/Ult...

UCC5680 Data Sheet

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Part Number:
UCC5680
Supply Ability:
5000

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

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Product Details

Description



Features:

· LVD-Only Active Termination
· 2.7 V to 5.25 V Operation
· Differential Failsafe Bias
· Built-In SPI-3 Mode Change Filter/Delay
· Standards Supported: SPI-3, Ultra2
  (Fast 40), Ultra3/Ultra160 (Fast 80)


Pinout

Connection Diagram


Specifications

TERMPWR Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 V
Signal Line Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0 V to 5 V
Package Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 W
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65°C to 150°C
Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55°C to 150°C
Lead Temperature (Soldering, 10 sec.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .300°C


Description

The UCC5680 is an LVD-only Small Computer System Interface (SCSI) terminator that integrates the mode change delay function required by the SPI-3 specification. The device senses what types of SCSI drivers are present on the bus via the voltage on the DIFFSENS SCSI control line. Single-ended (SE) and high-voltage differential (HVD) SCSI drivers (EIA485) are not supported. If the chip detects the presence of an SE or HVD SCSI driver, it disconnects itself by switching all terminating resistors off the bus and enters a high-impedance state. The terminator can also be commanded to disconnect the terminating resistors with the DISCNCT input. Impedance is trimmed for accuracy and maximum effectiveness. Bus lines are biased to a failsafe state to ensure signal integrity.

The UCC5680 is offered in both 24-pin and 28-pin TSSOP (PW) packages for a temperature range of 0°C to 70°C.




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