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DS21S07AS/T Datenblatt(PDF) 1 Page - Maxim Integrated Products |
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DS21S07AS/T Datenblatt(HTML) 1 Page - Maxim Integrated Products |
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1 / 8 page ![]() 1 of 5 REV: 022106 GENERAL DESCRIPTION Fast SCSI and Ultra SCSI require the use of active terminations at both ends of every cable segment in a SCSI system with single-ended 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 Ω termination resistors into a monolithic IC. The DS21S07A can be electrically isolated from the SCSI bus without physical removal from the SCSI device. FEATURES Fully Compliant with SCSI-1, Fast SCSI, and Ultra SCSI Backward Compatible to the DS2107 and DS2107A Provides Active Termination for Nine Signal Lines Laser-Trimmed 110 Ω Termination Resistors Have 2% Tolerance Low Drop-Out Voltage Regulator Power-Down Mode Isolates Termination Resistors from the Bus SCSI Bus Hot Plug Compatible Fully Supports Actively Negated SCSI Signals On-Board Thermal Shutdown Circuitry 16-Pin Plastic SO (DS21S07AS) and 20-Pin Plastic TSSOP (Thin Shrink Small Outline Package) (DS21S07AE) PIN CONFIGURATIONS ACTUAL FOOTPRINT SIZE ORDERING INFORMATION PART VOLTAGE (V) PIN- PACKAGE TOP MARK DS21S07AS 5 16SO DS21T07S DS21S07AS+ 5 16SO DS21T07S DS21S07AS/T&R 5 16SO DS21T07S DS21S07AS+T&R 5 16SO DS21T07S DS21S07AE 5 20TSSOP DS21T07E DS21S07AE/T&R 5 20TSSOP DS21T07E + Denotes lead-free package. The top mark includes a “+" on lead-free packages. Note: All devices are specified over the 0°C to +70°C operating temperature range. DS21S07A SCSI Terminator www.maxim-ic.com 0.41" 0.41" 0.26" 0.27" DS21S07AS DS21S07AE |
Ähnliche Teilenummer - DS21S07AS/T |
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Ähnliche Beschreibung - DS21S07AS/T |
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