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参数资料
| 型号： | DS2108S+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/5页 |
| 文件大小： | 0K |
| 描述： | IC TERM SCSI DIFF/SWITCH 24-SOIC |
| 标准包装： | 31 |
| 类型： | SCSI，HVD，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： | 24-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 24-SOIC W |
| 包装： | 管件 |
DS2108
3 of 5
TYPICAL DIFFERENTIAL SCSI BUS CONFIGURATION Figure 2
NOTES:
1. Two DS2108s required per 8–bit SCSI device and three DS2108s per 16–bit SCSI device.
2. Mid–bus termination effectively removed by grounding PD pin.
3. Termination power to be provided as specified in SCSI–3 Parallel Interface (SPI) document.
4. Local TERMPWR bypassing is recommended by the SPI document with values shown. The bypass
capacitors should be located as close as possible to the DS2108s. Only one pair of capacitors is
required per SCSI device (may be shared between DS2108s on same device).
PIN DESCRIPTION Table 1
PIN
SYMBOL
DESCRIPTION
1, 11
TPWR
Termination Power. Should be connected to the SCSI TERMPWR line.
Bypass with a 2.2 F cap in parallel with a 0.1 F cap as shown in Figure
2.
2, 3, 4, 5, 6,
7, 8, 9, 10
R1N…R9N
Signal Termination Negative. Connect to –SIGNAL of SCSI bus.
12
NC
No Connect. Do not connect any signal to this pin.
13, 23
GND
Ground. Signal ground; 0.0V.
14, 15, 16,
17, 18, 19,
20, 21, 22
R1P…R9P
Signal Termination Positive. Connect to +SIGNAL of SCSI bus.
24
PD
Power Down. When tied low, the DS2108 enters a power-down mode.
Contains an internal 50K pull-up. Strap low to deactivate the DS2108,
leave open circuited to activate the DS2108.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS2108S/T&R | 制造商:Maxim Integrated Products 功能描述:SCSI DIFFERENTIAL TERMINATOR-SO-TRL - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC TERM SCSI DIFF/SWITCH 24-SOIC |
| DS2108S/T&R | 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 |
| DS2108S/T&R/C02 | 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 |
| DS2108S/T&R/C03 | 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 |
| DS2108S/T&R+C02 | 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 |
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