DS2119ME

DS2119ME, Ultra3 LVD/SE SCSI Terminator, 25.4 mA, 3.0 V, 3 pF, TSSOP

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Price:: US $1.50~1.50 / piece [Get Latest Price]

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1 ~ 10000 :	1.50 / Piece

PartNumber:: DS2119ME

Brand:: DALLAS - DALLAS | Pack: TSSOP | D/C: 05+

Availability:: Supply Ability: 4/Day Can Ship Immediately
Delivery: 10-15 Business Days (ships out within 3 Business days)

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Products Upload time: 2013-06-21

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Part Number:DS2119ME
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Product Summary

The DS2119ME Ultra3 LVD/SE SCSI Terminator is both a low-voltage differential (LVD) and singleended (SE) terminator. The multimode operation enables the designer to implement LVD in current products while allowing the end-user SE-backward compatibility with legacy devices. If the device is connected in an LVD-only bus, the DS2119ME will use LVD termination. If any SE devices are connected to the bus, the DS2119ME will use SE termination. This is accomplished automatically inside the part by sensing the voltage on the SCSI bus DIFFSENS line.

Parametrics

DS2119ME absolute maximum ratings: (1)Logic 0 VIL: -0.3 to +0.8 V; (2)Logic 1 VIH: 2.0 to VTPWR + 0.3 V; (3)Operating Temperature VAMB: 0 to 70 °C; (4)SE Termination Resistance RSE: 104.5 to 115.5 Ω; (5)SE Voltage Reference VREF: 2.7 to 3.0 V; (6)SE Output Current lOSE: 25.4 mA; (7)Output Capacitance COUT: 3 pF.

Features

DS2119ME features: (1)Fully compliant with SCSI SPI-2, SPI-3, SPI-4, Ultra160, and Ultra320; (2)Provides multimode low-voltage differential/single-ended (LVD/SE)termination for nine signal-line pairs; (3)Auto-selection of LVD or SE termination; (4)5% tolerance on SE and LVD termination resistance; (5)Low power-down capacitance of 3pF; (6)Onboard thermal-shutdown circuitry; (7)SCSI-bus hot-plug compatible; (8)Fully supports actively negated SE SCSI signals.