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)： 5/29頁
文件大小： 435K
代理商： LM80CIMT-31
DC Electrical Characteristics
(Continued)
The following specifications apply for +2.8 V
≤
V
+
≤
+3.8 V
for LM80CIMT-3, +4.25 V
DC
≤
V
+
≤
+5.75 V
for LM80CIMT-5,
IN0-IN6 R
= 25
, unless otherwise specified.
Boldface limits apply for T
A
= T
J
= T
MIN
to T
MAX
;
all other limits T
A
= T
J
=
25C.(Note 7)
Symbol
Parameter
Conditions
Typical
(Note 8)
Limits
(Note 9)
Units
(Limits)
FAN RPM-to-DIGITAL CONVERTER
Fan RPM Error
+25C
≤
T
A
≤
+75C
10C
≤
T
A
≤
+100C
25C
≤
T
A
≤
+125C
±
10
±
15
±
20
255
% (max)
% (max)
% (max)
(max)
RPM
Full-scale Count
FAN1 and FAN2 Nominal Input
RPM (See Section 6.0)
Divisor = 1, Fan Count = 153
(Note 12)
Divisor = 2, Fan Count = 153
(Note 12)
Divisor = 3, Fan Count = 153
(Note 12)
Divisor = 4, Fan Count = 153
(Note 12)
+25C
≤
T
A
≤
+75C
8800
4400
RPM
2200
RPM
1100
RPM
Internal Clock Frequency
22.5
20.2
24.8
19.1
25.9
18
27
kHz (min)
kHz (max)
kHz (min)
kHz (max)
kHz (min)
kHz (max)
10C
≤
T
A
≤
+100C
22.5
25C
≤
T
A
≤
+125C
22.5
DIGITAL OUTPUTS: A0/NTEST_OUT, INT
V
OUT(1)
Logical “1” Output Voltage
I
OUT
= +5.0 mA at
V
+
= +4.25V, I
OUT
= +3.0 mA
at V
+
= +2.8V
I
+
= 5.0 mA at
V
= +5.75V, I
OUT
= 3.0 mA
at V
+
= +3.8V
2.4
V (min)
V
OUT(0)
Logical “0” Output Voltage
0.4
V (max)
OPEN DRAIN OUTPUTS: GPO, RST_OUT/OS, CI
V
OUT(0)
Logical “0” Output Voltage
I
OUT
= 5.0 mA
at V
+
= +5.75V,
I
OUT
= 3.0 mA at V
+
= +3.8V
V
OUT
= V
+
0.4
V (min)
I
OH
High Level Output Current
RST_OUT/OS, CI
Pulse Width
OPEN DRAIN SERIAL BUS OUTPUT: SDA
V
OUT(0)
Logical “0” Output Voltage
0.1
30
100
10
μA (max)
ms (min)
I
OUT
= 3.0 mA at
V
at V
+
= +3.8V
V
OUT
= V
+
= +5.75V, I
OUT
= 3.0 mA
0.4
V (min)
I
OH
DIGITAL INPUTS: A0/NTEST_Out, A1-A2, BTI, CI (Chassis Intrusion), INT_IN, and NTEST_IN/Reset_IN
V
IN(1)
Logical “1” Input Voltage
V
IN(0)
Logical “0” Input Voltage
SERIAL BUS INPUTS (SCL, SDA) and FAN TACH PULSE INPUTS (FAN1, FAN2)
V
IN(1)
Logical “1” Input Voltage
V
IN(0)
Logical “0” Input Voltage
ALL DIGITAL INPUTS Except for BTI
I
IN(1)
Logical “1” Input Current
I
IN(0)
Logical “0” Input Current
C
IN
Digital Input Capacitance
High Level Output Current
0.1
100
μA (max)
2.0
0.8
V (min)
V (max)
0.7 x V
+
0.3 x V
+
V (min)
V (max)
V
IN
= V
+
V
IN
= 0 V
DC
0.005
0.005
20
1
1
μA (min)
μA (max)
pF
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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 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
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