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參數資料
| 型號： | NCT214MT3R2G |
| 廠商： | ON Semiconductor |
| 文件頁數： | 2/19頁 |
| 文件大小： | 284K |
| 描述： | IC TEMP SENSOR LOC/REM 10WDFN |
| 標準包裝： | 3,000 |
| 功能： | 溫度監控系統（傳感器） |
| 傳感器類型： | 內部和外部 |
| 感應溫度： | 0°C ~ 127°C，-64°C ~ 191°C |
| 精確度： | ±2.5°C（最小值） |
| 拓撲： | ADC（三角積分型），比較器，寄存器庫 |
| 輸出類型： | 2 線串行，I²C?/SMBUS? |
| 輸出警報： | 是 |
| 輸出風扇： | 是 |
| 電源電壓： | 3 V ~ 3.6 V |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 10-WFDFN 裸露焊盤 |
| 供應商設備封裝： | 10-WDFN（3x3） |
| 包裝： | 帶卷 (TR) |
NCT214
http://onsemi.com
2
Figure 1. Functional Block Diagram
ON-CHIP
TEMPERATURE
SENSOR
ANALOG
MUX
BUSY
A-TO-D
CONVERTER
LOCAL TEMPERATURE
VALUE REGISTER
REMOTE OFFSET
REGISTER
RUN/STANDBY
EXTERNAL DIODE OPEN-CIRCUIT
STATUS REGISTER
SMBus/I
2
C INTERFACE
INTERRUPT
MASKING
SDATA
SCLK
9
8
ADDRESS POINTER
REGISTER
CONVERSION RATE
REGISTER
LOCAL TEMPERATURE
LOW-LIMIT REGISTER
LOCAL TEMPERATURE
HIGH-LIMIT REGISTER
REMOTE TEMPERATURE
LOW-LIMIT REGISTER
REMOTE TEMPERATURE
HIGH-LIMIT REGISTER
LOCAL THERM
LIMIT REGISTERS
EXTERNAL THERM
LIMIT REGISTERS
CONFIGURATION
REGISTERS
5
7
GND
6
V
DD
2
NCT214
D+
ALERT
/THERM2
THERM
3
D
4
REMOTE TEMPERATURE
VALUE REGISTER
ADD1
ADD0
10
1
Table 1. PIN ASSIGNMENT
Pin No.
Mnemonic
Description
1
ADD1
Address 1 pin. Tri-state input to set the SMBus address.
2
V
DD
Positive Supply, 3.0 V to 3.6 V.
3
D+
Positive Connection to Remote Temperature Sensor.
4
D
Negative Connection to Remote Temperature Sensor.
5
THERM
Active-low open-drain overtemperature output pin; needs pullup resistor.
6
GND
Ground
7
ALERT
/THERM2
Open-drain Logic Output used as interrupt or SMBus ALERT
. This can also be configured as a
second THERM
output. Requires pullup resistor.
8
SDATA
Logic Input/Output, SMBus Serial Data. Open-drain Output. Requires pullup resistor.
9
SCLK
Logic Input, SMBus Serial Clock. Requires pullup resistor.
10
ADD0
Address 0 pin. Tri-state input to set the SMBus address.
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