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參數(shù)資料
| 型號(hào)： | SIP5678CS-TR-E3 |
| 廠商： | Vishay Siliconix |
| 文件頁數(shù)： | 2/2頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC SCSI 15-LINE TERM SQFP |
| 標(biāo)準(zhǔn)包裝： | 250 |
| 系列： | * |
SCSI Bus Active Terminator ICs: 9-, 14-, 15- and 27-Channel
ADDITIONAL FEATURES
2.7-V to 5.25-V TERMPWR range
Meets SCSI-1, SCSI-2, SPI-2 (ULTRA-2), SPI-3,
(ULTRA-160), and SPI-4 (ULTRA-320)
Meets SPI-5 (ULTRA-640) standards (SiP5696)
Differential failsafe bias
Thermal package
Master/slave input (SiP5630 and SiP5670)
Active negation
Integrated SPI-3 mode change delay filter (SiP5668, SiP5670, and SiP5678)
Lead (Pb)-free packages
DESCRIPTION
The SiP56xx family provides active bus termination suitable for all SCSI bus operational modes from SCSI-1 through SPI-4 (Ultra 320).
The SiP5696 operates through SPI-5 (Ultra 640). The termination includes impedance matching of the SCSI bus to minimize signal
reflections from the end of the bus, as well as required SCSI bus biasing for either S/E (single-ended) or LVD (low-voltage differential)
operation. The SiP56xx senses the operational state of the SCSI bus via the DIFFSENS bus signal, and automatically switches to S/E or
LVD operation as required. The SiP56xx family cannot be used on an HPD (high-power differential) SCSI bus, and goes into high imped-
ance mode when the voltage on the DIFFSENS line indicates HPD operation. The SiP56xx also presents high impedance to the SCSI bus
if the DISABLE pin is asserted, or if TERMPWR is removed from the IC. An optional integrated mode change delay filter eliminates the
need for a bulky 4.7-μF low pass filter capacitor to be compliant with SPI-3 mode change timing requirements.
Devices in the SiP56xx family are available in a lead (Pb)-free package for operation over the temperature range of 0 to +70 C.
PRODUCT SELECTION TABLE
SiP56xx Family
Vishay Siliconix
VSA-PT0029-0407
SiP5630
SiP5670
SiP5628
SiP5668
SiP5638
SiP5678
SiP5696
Number of lines
9
14
15
27
Enable active LOW
X
Operation mode
Multimode
LVD only
Integrated SPI-3
delay filter
X
Master/Slave
X
Status indicator
X
SPI-5 and above
X
Lead (Pb)-free package
QSOP-36
SQFP-48
LQFP-80
Alternate source to
TI UCC5630A
Maxim DS2118
TI UCC5670
TI UCC5628
Maxim DS2127
TI UCC5638
Maxim DS2125
TI UCC5696
FEATURE
BENEFIT
Auto selection of S/E or LVD SCSI termination
Simplifies installation
Meets all parallel SCSI standards
Fully backwards compatible
On-chip thermal shutdown circuit
Fully protected
Hot swap compatible
No need to power down
Integrated delay filter option
Eliminates bulky 4.7-μF low pass filter capacitor
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