Download HT7501 Datasheet PDF
Holtek Semiconductor
HT7501
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 ponents are LCD display, thermister, 1.5V battery, ON/OFF switch, buzzer, resistors and capacitors. Block Diagram 8th Feb ’99 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 - 54.78 - 54.78 - 54.78 - 52.53 -...