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參數(shù)資料
| 型號： | LM41 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Hardware Monitor with Thermal Diode Inputs and SensorPath⑩ Bus |
| 中文描述： | 硬件監(jiān)控與熱二極管輸入和SensorPath⑩巴士 |
| 文件頁數(shù)： | 2/27頁 |
| 文件大?。?/td> | 367K |
| 代理商： | LM41 |
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Connection Diagram
TSSOP-14
20070302
Top View
National Package Number MTC14C
Order
Number
LM41CIMT
Package
Marking
LM41
CIMT
LM41
CIMT
NS
Package
Number
MTC14C
Transport
Media
94 units per
rail
2500 units in
tape and reel
LM41CIMTX
MTC14C
Pin Description
Pin Number
1, 10, 13, 14
Pin Name
NC
Description
No Connect
Typical Connection
May be tied to V+, GND or left floating. Do
not tie active signals to pin 10.
System ground
Connected system 3.3 V standby power and
to a 0.1 μF bypass capacitor in parallel with
100 pF. A bulk capacitance of approximately
10 μF needs to be in the near vicinity of the
LM41.
Super I/O, Pull-up resistor, 1.6k
2
3
GND
Ground
Positive power supply pin as well
as a +3.3V voltage monitor
V+/+3.3V_SBY
4
SWD
SensorPath Bus line; Open-drain
output
Digital input - device number select
input for the serial bus device
number
+1.2V voltage monitoring input with
scaling resistors
+2.5V voltage monitoring input with
scaling resistors
Thermal diode analog voltage
output and negative monitoring
input
5
ADD
Pull-up to 3.3 V or pull-down to GND resistor,
10k; must never be left floating
6
+1.2V
Processor core voltage to be monitored
7
+2.5V
Power supply voltage to be monitored
8
D-
Remote Thermal Diode cathode
(THERM_DC) - Can be connected to a CPU
or thermal diode, an MMBT3904 or a GPU
thermal diode. A 100 pF capacitor should be
connected between respective D- and D+ for
noise filtering.
Remote Thermal Diode anode (THERM_DA) -
Can be connected to a CPU or thermal diode,
an MMBT3904 or a GPU thermal diode. A
100 pF capacitor should be connected
between respective D- and D+ for noise
filtering.
Power supply voltage to be monitored
9
D+
Thermal diode analog current
output and positive monitoring input
11
+5V
+5V voltage monitoring input with
scaling resistors
+12V voltage monitoring input with
scaling resistors
12
+12V
Power supply voltage to be monitored
L
www.national.com
2
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