參數(shù)資料
型號: DS2105
英文描述: SCSI Terminator
中文描述: SCSI端接器
文件頁數(shù): 3/7頁
文件大小: 99K
代理商: DS2105
DS2105
022698 3/7
TYPICAL SCSI BUS CONFIGURATION
Figure 2
Termination Power Line
SCSI
BUS
TRANSCEIVER
SCSI
BUS
TRANSCEIVER
SCSI
BUS
TRANSCEIVER
SCSI
BUS
TRANSCEIVER
DS2105
TERMPWR1
TERMPWR2
VREF1
VREF2
GND
R1
R2
R9
DS2105
R8
TERMPWR1
TERMPWR2
VREF1
VREF2
GND
R1
R9
SCSI
CABLE
C1+
C1+
+
C2
NOTES:
1. C1 = 4.7
μ
F tantalum
C2 = 2.2
μ
F tantalum or 4.7
μ
F aluminum
2. If the DS2105 is to be embedded into a peripheral that will act as a target on a SCSI bus, it is recommended that
TERMPWR be derived from the SCSI cable, not generated locally. In this configuration, if a power failure occurs
in the peripheral, it will not affect the bus.
3. A high frequency bypass capacitor (0.1
μ
F recommended) can be added in parallel to C1 for applications using
fast rise/fall time drivers.
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