参数资料
型号: DS21T05Z/T&R
厂商: Maxim Integrated Products
文件页数: 4/7页
文件大小: 0K
描述: IC TERMINATOR SCSI 150MIL 16SOIC
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
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(0.154",3.90mm 宽)
供应商设备封装: 16-SOIC
包装: 带卷 (TR)
DS21T05
4 of 7
PIN DESCRIPTION Table 1
DS21T05Z
PIN
SYMBOL
DESCRIPTION
1
TERMPWR1
Termination Power 1. Should be connected to the SCSI TERMPWR
line. Must be decoupled with either a 2.2 F or 4.7 F. See Figure 2.
2R1
Signal Termination 1. 110-ohm termination.
3R2
Signal Termination 2. 110-ohm termination.
4R3
Signal Termination 3. 110-ohm termination.
5R4
Signal Termination 4. 110-ohm termination.
6R5
Signal Termination 5. 110-ohm termination.
7VREF1
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.
8
GND
Ground. Signal ground; 0.0V.
9
TERMPWR2
Termination Power 2. Should be connected to the SCSI TERMPWR
line. Must be decoupled with either a 2.2 F or 4.7 F. See Figure 2.
10
NC
No Connect. Do not connect any signal to this pin.
11
R6
Signal Termination 6. 110-ohm termination.
12
R7
Signal Termination 7. 110-ohm termination.
13
R8
Signal Termination 8. 110-ohm termination.
14
R9
Signal Termination 9. 110-ohm termination.
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.
16
PD
Power Down. When tied low, the DS21T05 enters a power-down
mode. Contains an internal 50K pull-up. Strap low to deactivate the
DS21T05, leave open circuited to activate the DS21T05.
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