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參數(shù)資料
| 型號： | UCC5681 |
| 廠商： | Benchmark Technology Group |
| 英文描述： | Low Voltage Differential (LVD) SCSI 9 Line Terminator(用于低壓差分小型計算機(jī)系統(tǒng)接口的9線終端匹配器) |
| 中文描述： | 低壓差分（LVD）的SCSI 9線終結(jié)者（用于低壓差分小型計算機(jī)系統(tǒng)接口的9條線終端匹配器） |
| 文件頁數(shù)： | 1/2頁 |
| 文件大小： | 24K |
| 代理商： | UCC5681 |
UCC5681
ADVANCE INFORMATION
SLUS441 - NOVEMBER 1999
FEATURES
Low Voltage Differential Termination
2.7V to 5.25V Operation
Differential Failsafe Bias
Built-in SPI-3 Mode Change Filter
Delay
Supports Active Negation
Standby (Disable Mode) 5
μ
A
3pF Channel Capacitance\
Reversed Disconnect Polarity
Low Voltage Differential (LVD) SCSI 9 Line Terminator
REF 1.25V
DISCNCT
LVD*
REG
DIFFB
L1–
L1+
L9–
L9+
56mV
–
SOURCE/SINK REGULATOR
REF 1.3V
1.3V
±
0.1V
0.7V > 0.5V
2.4V > 1.9V
HIGH IMPEDANCE RECEIVER
EVEN WITH POWER OFF
SINGLE
ENDED
HIGH POWER
DIFFERENTIAL
DIFSENS
SOURCE 5<15mA
SINK 200
μ
A MAXIMUM (NOISE LOAD)
OPEN CIRCUIT ON POWER OFF
OR OPEN CIRCUIT IN A
DISABLED TERMINATOR MODE
10
μ
A
TRMPWR
LOW
FREQUENCY
FILTER
50Hz – 60Hz
20k
124
124
52
52
52
52
4.7
μ
F
0.1
μ
F
GND
SOURCE ONLY FROM TRMPWR AND THE ENABLED TERMINATIONS
2.7V to 5.25V
56mV
+
–
+
56mV
+
–
56mV
–
+
DIGITAL
FILTER
BLOCK DIAGRAM
UDG-99158
DESCRIPTION
The UCC5681 Low Voltage Differential Terminator is a low voltage differ-
ential terminator for the next generation SCSI Parallel Interface (SPI-3).
The low voltage differential is a requirement for the higher speeds at a rea-
sonable cost and is the only way to have adequate skew budgets. The
UCC5681 is backwards compliant with SPI-2 (Ultra2) and compliant with
SPI-3 (Ultra3), (Ultra160/m).
This device comes in a TSSOP package to minimize the footprint and with
a unique pin out that eliminate feed through requirements.
* 28 pin package only
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| UCC5687 | Twenty-seven Line Active Terminator For Low-voltage-differential (LVD) SCSI Networks.(用于低壓差分小型計算機(jī)系統(tǒng)接口的27線終端匹配器) |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| UCC5681PW24 | 功能描述:SCSI 接口集成電路 9 Line 2.7- 5V LVD Term RoHS:否 制造商:Texas Instruments 工作電源電壓:2.7 V to 5.25 V 電源電流:13 mA 最大工作溫度:+ 70 C 最小工作溫度:0 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SSOP-36 封裝:Tube |
| UCC5681PW24G4 | 功能描述:SCSI 接口集成電路 9 Line 2.7- 5V LVD Term RoHS:否 制造商:Texas Instruments 工作電源電壓:2.7 V to 5.25 V 電源電流:13 mA 最大工作溫度:+ 70 C 最小工作溫度:0 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SSOP-36 封裝:Tube |
| UCC5681PW28 | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
| UCC5686 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:27-LINE 3-V - 5V LVD TERMINATOR FOR WIDE ULTRA2, ULTRA3,ULTRA160,AND ULTRA320 SCSI WITH INTEGRATED SPI-3 DELAY |
| UCC5686PM | 功能描述:SCSI 接口集成電路 27Ln 3-5V SCSI Multi RoHS:否 制造商:Texas Instruments 工作電源電壓:2.7 V to 5.25 V 電源電流:13 mA 最大工作溫度:+ 70 C 最小工作溫度:0 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SSOP-36 封裝:Tube |
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