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参数资料
| 型号： | DS2117MB/T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/9页 |
| 文件大小： | 0K |
| 描述： | IC TERM SCSI LVD/SE ULT-3 36SSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1,000 |
| 类型： | SCSI，LVD，SE |
| 端子数： | 9 |
| 电源电压： | 4 V ~ 5.5 V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 36-BSOP（0.295"，7.50mm 宽） |
| 供应商设备封装： | 36-SSOP |
| 包装： | 带卷 (TR) |
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REV: 112905
FEATURES
Fully Compliant with Ultra2, Ultra3, and
Ultra 160/M SCSI
Provides Multimode Low-Voltage
Differential/Single-Ended (LVD/SE)
Termination for Nine Signal Line Pairs
Auto-Selection of LVD or SE Termination
5% Tolerance on SE and LVD
Termination Resistance
Low Power-Down Capacitance of 3pF
On-Board Thermal Shutdown Circuitry
SCSI Bus Hot Plug Compatible
Fully Supports Actively Negated SE SCSI
Signals
PIN CONFIGURATION
DESCRIPTION
The DS2117M Ultra3 LVD/SE SCSI terminator is both a low-voltage differential (LVD) and single-
ended (SE) terminator. The multimode operation enables the designer to implement LVD in current
products while allowing the end user SE-backward compatibility with legacy devices. If the device is
connected in an LVD-only bus, the DS2117M uses LVD termination. If any SE devices are connected to
the bus, the DS2117M uses SE termination. This is accomplished automatically inside the part by sensing
the voltage on the SCSI bus DIFFSENS line.
For the LVD termination, the DS2117M integrates two current sources with nine precision resistor
strings. For the SE termination, one regulator and nine precision 110
resistors are used. Three
DS2117M terminators are needed for a wide SCSI bus.
DS2117M
Ultra3 LVD/SE SCSI Terminator
www.maxim-ic.com
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35
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31
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28
27
26
25
24
LVD
SE
R9N
R8N
R8P
HS GND
R7N
R7P
R6N
R9P
NC
R1P
R1N
R2N
HS GND
R3P
R3N
R4P
R4N
R2P
SSOP
36
23
VREF
NC
TPWR
HVD
HS GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
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22
21
20
19
R5P
R5N
ISO
GND
DIFF_CAP
DIFFSENSE
MSTR/SLV
R6P
TOP VIEW
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 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 类别:集成电路 (IC) >> 接口 - 信号终端器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:50 系列:- 类型:SCSI，SE 端子数:9 电源电压:4 V ~ 5.25 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:16-SOIC（0.154"，3.90mm 宽） 供应商设备封装:16-SOIC 包装:管件 |
| DS2118M | 功能描述:IC TERM SCSI LVD/SE ULT-3 36SSOP RoHS:否 类别:集成电路 (IC) >> 接口 - 信号终端器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:50 系列:- 类型:SCSI，SE 端子数:9 电源电压:4 V ~ 5.25 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:16-SOIC（0.154"，3.90mm 宽） 供应商设备封装:16-SOIC 包装:管件 |
| DS2118MB | 功能描述:SCSI 接口集成电路 RoHS:否 制造商:Texas Instruments 工作电源电压:2.7 V to 5.25 V 电源电流:13 mA 最大工作温度:+ 70 C 最小工作温度:0 C 安装风格:SMD/SMT 封装 / 箱体:SSOP-36 封装: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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