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HT7501

Holtek Semiconductor Inc
Part Number HT7501
Manufacturer Holtek Semiconductor Inc
Description Clinical Thermometer
Published Mar 26, 2005
Detailed Description HT7501 Clinical Thermometer Features • • • • Single-chip CMOS construction Single 1.5V battery operation Measurement r...
Datasheet PDF File HT7501 PDF File

HT7501
HT7501

Overview
HT7501 Clinical Thermometer Features • • • • Single-chip CMOS construction Single 1.
5V battery operation Measurement range: +32.
00°C~+43.
00°C Measurement accuracy: ±0.
1°C Resolution: 0.
01°C Auto self-test • • • • • Alarm warning for fever Highest temperature hold Auto power off after 8 min 40 sec One-key input switch for ON/OFF Displays last time measured temperature General Description The HT7501 is a CMOS digital clinical thermometer IC for measuring body temperature from 32.
00°C~43.
00°C.
It also provides alarm, self-test, auto power off and last time measured temperature functions.
The other electronic components are LCD display, thermister, 1.
5V battery, ON/OFF switch, buzzer, resistors and capacitors.
Block Diagram 1 8th Feb ’99 HT7501 Pad Assignment Chip size: 121 × 124 (mil)2 * The IC substrate should be connected to VDD in the PCB layout artwork.
Pad Coordinates Pad No.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 X –54.
78 –54.
78 –54.
78 –54.
78 –54.
78 –54.
78 –54.
78 –5...


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