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UCC5670 PDF预览

UCC5670

更新时间: 2024-11-08 12:22:35
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
10页 165K
描述
9-LINE MULTIMODE SCSI TERMINATOR WITH SPI-3 MODE DELAY, DISCONNECT, AND STATUS LINES

UCC5670 数据手册

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SLVS394A − MAY 2002  
ꢆ ꢇꢈꢉ ꢊ ꢋ ꢌꢀꢈꢍ ꢉꢌ ꢎ ꢏꢋ ꢐꢁꢐ ꢉ ꢍ ꢋꢑꢌ ꢉꢊꢒꢍꢎ ꢑ  
ꢓ ꢉ ꢍꢔ ꢐ ꢕꢉ ꢇꢖ ꢌꢎ ꢏꢋ ꢏꢋ ꢈꢒꢗꢘ ꢏꢉ ꢐꢁꢎ ꢊꢊꢋ ꢁꢍꢘ ꢒꢊꢏ ꢐꢍꢒꢍ ꢀꢐ ꢈ ꢉꢊꢋ ꢐ  
FEATURES  
DESCRIPTION  
D
D
Auto Selection Single Ended (SE) or Low  
Voltage Differential (LVD) Termination  
The UCC5670 SCSI multimode terminator, comprises  
both single-ended (SE) and low-voltage differential  
(LVD) termination and is intended to bridge the  
transition from single ended to LVD SCSI parallel  
interface (SPI-2), (SPI-3), and (SPI-4). The low voltage  
differential signaling configuration is required to meet  
the higher SCSI speeds and smaller skew budgets. LVD  
is specified for Ultra2, (Fast-40), Ultra3/Ultra160  
(Fast-80), Ultra320 (Fast-160) and meets the  
requirements for speeds up to Fast-320. The UCC5670  
can not be used with High Power Differential  
(HIPD)−(EIA485) devices. When it detects high power  
differential devices, the terminator lines switch to a high  
impedance state.  
Meets SCSI-1, SCSI-2, SCSI-3 SPI, Ultra  
(Fast-20), Ultra2 (SPI-2 LVD), Ultra3/Ultra160  
(SPI-3) and Ultra320 (SPI-4) Standards  
D
D
D
D
2.7-V to 5.25-V TERMPWR Operation  
Differential Fail-Safe Bias  
Pin Compatible With UCC5630A With Digital  
SPI-3 Mode Change/Filter Delay  
Thermal Packaging for Low Junction  
Temperature and Better MTBF  
The UCC5670 is offered in a 36-pin MWP package.  
AVAILABLE OPTIONS  
Packaged  
Device  
Disconnect  
Status  
T
A
MWP  
0°C to 70°C  
Regular  
UCC5670MWP  
The MWP package is available taped and reeled. Add R suffix to device  
type (e.g. UCC5670MWPR) to order quantities of 1000 devices per reel.  
ꢍꢤ  
Copyright 2002, Texas Instruments Incorporated  
ꢠ ꢤ ꢡ ꢠꢙ ꢚꢮ ꢜꢛ ꢟ ꢧꢧ ꢥꢟ ꢝ ꢟ ꢞ ꢤ ꢠ ꢤ ꢝ ꢡ ꢩ  
1
www.ti.com  

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