參數(shù)資料
型號: LM80CIMT-31
廠商: National Semiconductor Corporation
英文描述: Serial Interface ACPI-Compatible Microprocessor System Hardware Monitor
中文描述: 串行接口ACPI的兼容微處理器系統(tǒng)硬件監(jiān)視器
文件頁數(shù): 15/29頁
文件大?。?/td> 435K
代理商: LM80CIMT-31
Functional Description
(Continued)
Counts are based on 2 pulses per revolution tachometer outputs.
RPM
Time per Revolution
Counts for “Divide by 2”
(Default) in Decimal
153 counts
219 counts
255 counts
(maximum counts)
Comments
4400
3080
2640
13.64 ms
19.48 ms
22.73 ms
Typical RPM
70% RPM
60% RPM
Mode Select
Nominal
RPM
Time per Revolution
Counts for the
70%
RPM
Time per Revolution
Given Speed in Decimal
153
153
153
153
for 70% RPM
9.74 ms
19.48 ms
38.96 ms
77.92 ms
Divide by 1
Divide by 2
Divide by 4
Divide by 8
8800
4400
2200
1100
6.82 ms
13.64 ms
27.27 ms
54.54 ms
6160
3080
1540
770
DS100040-12
(a) Fan with Tach Pull-Up to +5V
DS100040-13
(b) Fan with Tach Pull-Up to +12V, or Totem-Pole
Output and Resistor Attenuator
DS100040-14
(c) Fan with Tach Pull-Up to +12V and Diode Clamp
DS100040-15
(d) Fan with Strong Tach Pull-Up or Totem Pole Output
and Diode Clamp
FIGURE 7. Alternatives for Fan Inputs
www.national.com
15
相關(guān)PDF資料
PDF描述
LM832 LM832 Dynamic Noise Reduction System DNR
LM832M LM832 Dynamic Noise Reduction System DNR
LM832N LM832 Dynamic Noise Reduction System DNR
LM833D DUAL OPERATIONAL AMPLIFIER
LM833P Voltage-Feedback Operational Amplifier
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM80CIMT3NOPB 制造商:Texas Instruments 功能描述:Processor Supervisor 24-Pin TSSOP Rail
LM80CIMT5 制造商:Texas Instruments 功能描述:
LM80CIMT-5 功能描述:監(jiān)控電路 RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲(典型值):10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
LM80CIMT-5/NOPB 功能描述:監(jiān)控電路 RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲(典型值):10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
LM80CIMT-5/NOPB 制造商:Texas Instruments 功能描述:Temperature Sensor IC