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The DS21T09 is intended for one-chip Plug and Play (PnP) SCSI termination. Plug and Play SCSI requires the exit-point terminator on computer motherboards or host bus adapters to automatically switch off if an external device is connected to the system. The DS21T09 satisfies this requireme.
Fully compliant with SCSI-1, Fast SCSI and Ultra SCSI Compatible with Plug and Play SCSI Profile Functional drop in replacement for the DS2109 Complementary part to DS21T07 for wide SCSI Provides active termination for 18 signal lines 2% tolerance on termination resistors and voltage regulator Bus termination sensing Low power-down capacitance of 3 pF Onboard thermal shutdown circuitry PIN ASSIGNMENT PDI 1 28 GND R1 2 R2 3 R3 4 R4 5 R5 6 27 R18 26 R17 25 R16 24 R15 23 R14 HS-GND HS-GND PDO R6 R7 R8 R9 TPWR 7 8 9 10 11 12 13 14 22 TCS 21 HS-GND 20 PDE 19 R13 18 R12 17 R11 16 R10 15 VREF.
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | DS21T05 |
Dallas Semiconducotr |
SCSI Terminator |
|
| 2 | DS21T06 |
Dallas Semiconducotr |
SCSI Terminator |
|
| 3 | DS21T07 |
Dallas Semiconducotr |
SCSI Terminator |
|
| 4 | DS21054E |
Microchip Technology |
16K 1.8V I2C SERIAL EEPROM |
|
| 5 | DS2106SY |
Dynex Semiconductor |
Rectifier Diode |
|
| 6 | DS2107SY |
Dynex Semiconductor |
Rectifier Diode |
|
| 7 | DS2108 |
Dallas Semiconducotr |
Differential SCSI Switchable Terminator |
|
| 8 | DS210W |
AiT Components |
SCHOTTKY BARRIER RECTIFIERS |
|
| 9 | DS210W |
Jingdao Microelectronics |
Surface Mount Schottky Barrier Rectifier |
|
| 10 | DS210W |
Rectron |
Surface Mount Schottky Barrier Rectifier |
|
| 11 | DS210W |
BLUE ROCKET ELECTRONICS |
Surface Mount Schottky Barrier Rectifier |
|
| 12 | DS2110 |
Dallas Semiconductor |
Plug and Play SCSI Terminator |
|