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參數(shù)資料
| 型號： | LM64 |
| 廠商： | National Semiconductor Corporation |
| 元件分類： | 溫度/濕度傳感器 |
| 英文描述： | 【1∑C Remote Diode Temperature Sensor with PWM Fan Control and 5 GPIO’s |
| 中文描述： | 【1ΣC遠程二極管溫度傳感器，PWM風(fēng)扇控制和5個GPIO的 |
| 文件頁數(shù)： | 6/29頁 |
| 文件大?。?/td> | 363K |
| 代理商： | LM64 |
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AC Electrical Characteristics
The following specifications apply for V
= 3.0 VDC to 3.6 VDC, and all analog source impedance R
S
= 50
unless other-
wise specified in the conditions.
Boldface limits apply for T
A
= T
MIN
to T
MAX
;
all other limits T
A
= +25C.
Symbol
Parameter
Conditions
Typical
(Note 7)
Limits
(Note 8)
Units
(Limit)
TACHOMETER ACCURACY
Fan Control Accuracy
Fan Full-Scale Count
Fan Counter Clock Frequency
Fan Count Update Frequency
±
10
65535
% (max)
(max)
kHz
Hz
90
1.0
FAN PWM OUTPUT
Frequency Accuracy
±
10
% (max)
Digital Electrical Characteristics
Symbol
Parameter
Conditions
Typical
(Note 7)
Limits
(Note 8)
2.1
0.8
+10
10
Units
(Limit)
V (min)
V (max)
μA (max)
μA (max)
pF
V
IH
V
IL
I
IH
I
IL
C
IN
Logical High Input Voltage
Logical Low Input Voltage
Logical High Input Current
Logical Low Input Current
Digital Input Capacitance
V
IN
= V
DD
V
IN
= GND
0.005
0.005
20
SMBus Logical Electrical Characteristics
The following specifications apply for V
= 3.0 VDC to 3.6 VDC, and all analog source impedance R
S
= 50
unless other-
wise specified in the conditions.
Boldface limits apply for T
A
= T
MIN
to T
MAX
;
all other limits T
A
= +25C.
Symbol
Parameter
Conditions
Typical
(Note 7)
Limits
(Note 8)
Units
(Limit)
SMBDAT OPEN-DRAIN OUTPUT
V
OL
Logic Low Level Output Voltage
I
OH
High Level Output Current
SMBDAT, SMBCLK INPUTS
V
IH
Logical High Input Voltage
V
IL
Logical Low Input Voltage
V
HYST
Logic Input Hysteresis Voltage
I
OL
= 4 mA
V
OUT
= V
DD
0.4
10
V (max)
μA (max)
0.03
2.1
0.8
V (min)
V (max)
mV
400
L
www.national.com
6
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