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参数资料
| 型号： | DS21S07AS/T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 4/8页 |
| 文件大小： | 0K |
| 描述： | IC TERMINATOR SCSI 16-SOIC |
| 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： | 16-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 16-SOIC W |
| 包装： | 带卷 (TR) |
DS21S087A
4 of 8
Table 1. Pin Description
PIN
TSSOP
SO
NAME
FUNCTION
1
TERMPWR1
Termination Power 1. Should be connected to the SCSI
TERMPWR line. Must be decoupled with either a 2.2
F
capacitor or 4.7
F capacitor. See Figure 2.
2, 8, 12,
18
—
HS-GND
Heat Sink Ground. Internally connected to the mounting pad.
Should be either grounded or electrically isolated from other
circuitry.
3–7,
13–16
2–6,
10–13
R1–R9
Signal Termination 1–9. 110
termination.
9
7
VREF1
Reference Voltage 1. Must be externally connected directly to
the VREF2 pin. Must be decoupled with a 4.7
F capacitor as
shown in Figure 2.
10
8
GND
Ground. 0V, signal ground.
11
9
TERMPWR2
Termination Power 2. Should be connected to the SCSI
TERMPWR line. Must be decoupled with either a 2.2
F
capacitor or 4.7
F capacitor. See Figure 2.
17
14
NC
No Connection. Do not connect any signal to this pin.
19
15
VREF2
Reference Voltage 2. Must be externally connected directly to
the VREF1 pin. Must be decoupled with a 4.7
F capacitor as
shown in Figure 2.
20
16
PD
Active-Low Power-Down. When tied low, the DS21S07A
enters a power-down mode. Contains an internal 50k
pullup
resistor. Strap low to deactivate the DS21S07A; leave open
circuited to activate the DS21S07A
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS21S07CE | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Interface IC |
| DS21S07CS | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Interface IC |
| DS21T05 | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:SCSI Terminator |
| DS21T05S | 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 |
| DS21T05S/T&R | 制造商:Maxim Integrated Products 功能描述:IC TERMINATOR SCSI 300MIL 16SOIC |
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