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DS21S07A
DS21S07A SCSI Terminator
FEATURES
PIN ASSIGNMENT
TERMPWR1 R1 R2 R3 R4 R5 VREF1 GND 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 PD VREF2 NC R9 R8 R7 R6 TERMPWR2
• Fully
SCSI
compliant with SCSI–1, Fast SCSI and Ultra
• Backward compatible to the DS2107 and DS2107A • Provides active termination for nine signal lines • Laser–trimmed 110
2% tolerance ohm termination resistors have
• Low dropout voltage
regulator • Power–down
from the bus mode isolates termination resistors
DS21S07AS 16–PIN SOIC (300 MIL) TERMPWR1 HS–GND R1 R2 R3 R4 R5 HS–GND VREF1 GND 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 PD VREF2 HS–GND NC R9 R8 R7 R6 HS–GND TERMPWR2
• SCSI bus hot...