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參數(shù)資料
| 型號(hào)： | DS2117MB/T&R |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 3/9頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TERM SCSI LVD/SE ULT-3 36SSOP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 類型： | SCSI，LVD，SE |
| 端子數(shù)： | 9 |
| 電源電壓： | 4 V ~ 5.5 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 36-BSOP（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 36-SSOP |
| 包裝： | 帶卷 (TR) |
DS2117M
3 of 9
To ensure proper operation, the TPWR pin should be connected to the SCSI bus TERMPWR line. As
with all analog circuitry, the TERMPWR and VDD lines should be bypassed locally. A 2.2F capacitor
and a 0.01
F high frequency capacitor are recommended between TPWR and ground and placed as close
as possible to the DS2117M. The DS2117M should be placed as close as possible to the SCSI connector
to minimize signal and power trace length, thereby resulting in less input capacitance and reflections
which can degrade the bus signals.
To maintain the specified regulation, a 4.7
F capacitor is required between the VREF pin (VREF) and
ground of each DS2117M. A high frequency cap (0.1
F ceramic recommended) can also be placed on the
VREF pin in applications that use fast rise/fall time drivers. A typical SCSI bus configuration is shown in
Figure 2.
DIFFSENS NOISE FILTERING
The DS2117M incorporates a digital filter to remove high-frequency transients on the DIFFSENS control
line, thereby eliminating erroneous switching between modes. This filter eliminates the need for the
external capacitor and resistor, which heretofore performed this function. The external filter can be used
in addition to the digital filter if the DS2117M and DS2118M are to be used interchangeably.
NOTE:
DIFFSENS—Refers to the SCSI bus signal.
DIFFSENSE—Refers to the DS2117M pin name and internal circuitry capable of driving the DIFFSENS
line.
DIFF_CAP—Refers to the DS2117M pin name and internal circuitry relating to monitoring the
DIFFSENS line.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS2117MX/T&R | 制造商:Maxim Integrated Products 功能描述:IC TERM SCSI LVD/SE ULT-3 FCHIP |
| DS2117MX/T&R | 功能描述:IC TERM SCSI LVD/SE ULT-3 FCHIP RoHS:否 類別:集成電路 (IC) >> 接口 - 信號(hào)終端器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:50 系列:- 類型:SCSI，SE 端子數(shù):9 電源電壓:4 V ~ 5.25 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:16-SOIC 包裝:管件 |
| DS2118M | 功能描述:IC TERM SCSI LVD/SE ULT-3 36SSOP RoHS:否 類別:集成電路 (IC) >> 接口 - 信號(hào)終端器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:50 系列:- 類型:SCSI，SE 端子數(shù):9 電源電壓:4 V ~ 5.25 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:16-SOIC 包裝:管件 |
| DS2118MB | 功能描述:SCSI 接口集成電路 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 |
| DS2118MB/T&R | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:IC TERM SCSI LVD/SE ULT-3 36SSOP |
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