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HT7500 PDF预览

HT7500

更新时间: 2024-01-24 22:23:08
品牌 Logo 应用领域
台湾合泰/盛群 - HOLTEK /
页数 文件大小 规格书
8页 95K
描述
Clinical Thermometer

HT7500 技术参数

生命周期:ObsoleteReach Compliance Code:unknown
风险等级:5.82最大工作电流:0.1 mA
最高工作温度:70 °C最低工作温度:
封装等效代码:DIE OR CHIP电源:1.5 V
子类别:Other Sensors技术:CMOS
Base Number Matches:1

HT7500 数据手册

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HT7500  
Pad Description  
Pad No.  
Pad Name  
I/O  
B
Function  
1
2
3
4
5
6
7
LOWC  
VSS  
SC  
For the supply voltage detector, open the pin when not in use.  
Power supply GND  
I
B
Common point, NMOS open drain  
RF  
O
O
¾
I
Connect reference resistor, PMOS open drain  
Connect sensor resistor, PMOS open drain  
Positive power supply  
RS  
VDD  
PSW  
Pull-low input pin, push switch to turn power on or off  
Pull-low test pin, for production test, floating LCD displays  
the real time value, when connected to VDD, LCD displays  
the highest value.  
8
TEST2  
I
9
CLFH  
OSCI  
I
Floating for °C, connect to VDD for °F  
For system oscillator in  
For system oscillator out  
Buzzer output 1  
10  
I
11  
OSCO  
BZ1  
O
O
O
O
O
O
O
O
O
O
O
B
I
12  
13  
BZ2  
Buzzer output 2  
14~16  
17~19  
20~22  
23~25  
26  
COM1~COM3  
SA1~SA3  
SB1~SB3  
SC1~SC3  
SD1  
LCD backplane drive, 3-level voltage out  
LCD segment drive  
LCD segment drive  
LCD segment drive  
LCD segment drive  
27  
VEE  
Generate negative voltage (-1.5V)  
For negative voltage, NMOS output  
For negative voltage, inverter output  
Test pin for IC  
28  
CAP  
29  
C512  
30  
TV  
31  
TEST1  
TIM  
Test pin for IC  
32  
I
Test pin for IC  
33  
TS816  
I
Test pin for IC  
3
August 8, 2000  

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