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參數(shù)資料
| 型號： | DS2117MB |
| 廠商： | DALLAS SEMICONDUCTOR |
| 元件分類： | Bus Terminator |
| 英文描述： | 9-LINE 52 ohm SCSI BUS TERMINATOR, PDSO36 |
| 封裝： | SSOP-36 |
| 文件頁數(shù)： | 6/9頁 |
| 文件大?。?/td> | 265K |
| 代理商： | DS2117MB |
DS2117M
6 of 9
PIN DESCRIPTION Table 1
PIN
SYMBOL
DESCRIPTION
1
VREF
Reference Voltage. 2.85 volt reference in SE mode and 1.25 volt
reference in LVD mode; must be decoupled with a 4.7 F cap.
2, 3
NC
No Connect. Do not connect these pins.
4-7, 11-16,
22-25, 29-32
RxP
RxN
Signal Termination. Connect to SCSI bus signal lines.
8, 10, 26,
9, 28, 27
HS GND
Heat Sink Ground. Internally connected to the mounting pad. Should
be grounded.
17
ISO
Isolation. When pulled high, the DS2117M isolates its bus pins (RxP,
RxN) from the SCSI bus.
18
GND
Ground. Signal ground; 0.0 volts.
19
MSTR/SLV
Master/slave. Mode select for the non-controlling terminator. When
pulled high (MSTR), the DIFFSENSE driver is enabled.
20
DIFFSENSE
DIFFSENSE. Output to drive the SCSI bus DIFFSENS line.
21
DIFF_CAP
DIFFSENSE CAPACITOR. Connect 0.1 F capacitor for
DIFFSENSE filter. Input to detect the type of device (differential or
single-ended) on the SCSI bus.
33
SE
Single-ended. SE output of DIFFSENSE receiver; output high
indicates SE bus operation.
34
LVD
Low Voltage Differential. LVD output of DIFFSENSE receiver;
output high indicates LVD bus operation.
35
HVD
High Voltage Differential. HVD output of DIFFSENSE receiver;
output high indicates HVD bus operation or thermal shutdown.
36
TPWR
Termination Power. Connect to the SCSI TERMPWR line and
decouple with 2.2 F capacitor.
RECOMMENDED OPERATING CONDITIONS
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Termpower Voltage
SE mode
LVD mode
Vtpwr(SE)
Vtpwr(LVD)
4.0
2.7
5.5
V
Logic 0
Vil
-0.3
+0.8
V
Logic 1
Vih
2.0
Vtpwr + 0.3
V
Operating Temperature
Vamb
0
70
°C
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PDF描述 |
|---|---|
| DS2118M | 9-LINE SCSI BUS TERMINATOR, PDSO36 |
| DS2119ME | 9-LINE 52 ohm SCSI BUS TERMINATOR, PDSO28 |
| DS2154LN | DATACOM, FRAMER, PQFP100 |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| DS2117MB/T&R | 制造商:Maxim Integrated Products 功能描述:IC TERM SCSI LVD/SE ULT-3 36SSOP |
| DS2117MB/T&R | 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 安裝風格:SMD/SMT 封裝 / 箱體:SSOP-36 封裝:Tube |
| DS2117MB/T&R/ | 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 安裝風格:SMD/SMT 封裝 / 箱體:SSOP-36 封裝:Tube |
| 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 - 信號終端器 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝: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） 供應商設備封裝:16-SOIC 包裝:管件 |
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