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Technical content

Features

 Single-chip CMOS construction  Measurement range: 32.0 ~42.9° C (90° F ~109.9° F)  Measurement accuracy: ± 0.1° C(± 0.2° F)  Resolution: 0.1° C (0.1° F)  Single 1.5V battery operation  Highest temperature hold  Round off function  Multi stable time selection: 4s/8s/16s/32s  Automatic power off  One ON/OFF switch input key  Bonding option for ° C and ° F  Display the last time measured temperature  Alarm warning for fever  Buzzer output: 6k/8kHz  For various sensor application, change one layer only General Description The SC31106D is CMOS digital clinical thermometer IC for measuring body temperature from 32.0° C ~ 42.9° C (90° F ~ 109.9° F). It also provides stable alarm, fever alarm, automatic power off and the memory function of the last time measured temperature. The chip provides multi stable time for various of the mister also. The other electronic components are LCD display, the mister, 1.5V battery, ON/OFF switch, buzzer, resistors and capacitors. Block Diagram 1 2 3 4 5 6 A B C D 654321 D C B A Title Number RevisionSize B Date: 5-Jul-2006 Sheet of File: E:\\规格书\\规格图\\规格图-0\\ZBO\\JA31106.ddbDrawn By : System Oscillation Control Circuit Sensor Oscillation Counter and Comparator Pulse Generator Pulse Table Timer Voltage Doubler CounterCopartor and Latch LCD Driver OSCO OSCI CLFH PSW TEST STSEL1 STSEL2 RF RS SC VDD VSS S1-S13 COM1-COM3 CAP1 CAP2 VCC BZ1 BZ2 LOWC

深圳市富满电子有限公司 SHENZHEN FUMAN ELECTRONICS CO., LTD. TC31106D(文件编号：S&CIC1001) One-Decimal Clinical Thermometer 第 2 页 共 7 页 Pad Assignment Note: The IC substrate should be connect to VSS Pad Coordinates Pad No. Pad Name X (um) Y (um) Pad No. Pad Name X (um) Y (um) 1 S1 -575.00 559.90 20 SC 575.00 -560.00 2 S2 -575.00 415.45 21 RF 575.00 -274.55 3 S3 -575.00 300.45 22 RS 575.00 -159.55 4 S4 -575.00 185.45 23 VDD 575.00 -44.55 5 S5 -575.00 70.45 24 PSW 575.00 70.45 6 S6 -575.00 -44.55 25 TEST 575.00 185.45 7 S7 -575.00 -159.55 26 BZSEL 575.00 300.45 8 S8 -575.00 -274.55 27 STSEL1 575.00 415.45 9 S9 -575.00 -389.55 28 STSEL2 575.00 559.90 10 S10 -575.00 -560.00 29 ML 460.00 559.90 11 S11 -460.00 -560.00 30 FEVEL 345.00 559.90 12 S12 -345.00 -560.00 31 OSCI 230.00 559.90 13 S13 -230.00 -560.00 32 OSCO 115.00 559.90 14 VCC -115.00 -560.00 33 BZ1 0.00 559.90 15 CAP1 0.00 -560.00 34 BZ2 -115.00 559.90 16 CAP2 115.00 -560.00 35 COM1 -230.00 559.90 17 CLFH 230.00 -560.00 36 COM2 -345.00 559.90 18 LOWC 345.00 -560.00 37 COM3 -460.00 559.90 19 VSS 460.00 -560.00 1 2 3 4 5 6 A B C D 654321 D C B A Title Number RevisionSize B Date: 5-Jul-2006 Sheet of File: E:\\规格书\\规格图\\规格图-0\\ZBO\\JA31106.ddbDrawn By : S10 S11 S12 S13 VCC CAP1 CAP2 CLFH LOWC VSS SC RF RS VDD PSW TEST BZSEL STSEL1 STSEL2MLFEVELOSCIOSCOBZ1BZ2COM1COM2COM3

深圳市富满电子有限公司 SHENZHEN FUMAN ELECTRONICS CO., LTD. TC31106D(文件编号：S&CIC1001) One-Decimal Clinical Thermometer 第 3 页 共 7 页 Pad Description Pad No. Pad Name I/O Function 1~13 S1~S13 O LCD segment driver

14 VCC O Generated 3V voltage

15 CAP1 O For positive voltage pumping, NMOS open drain output

16 CAP2 O For positive voltage pumping, inverter output

17 CLFH I Selection of ° C or ° F CLFH = open or VDD: ° C CLFH = VSS: ° F

18 LOWC I/O For the supply voltage detector; output?

19 VSS - Negative power supply

20 SC I/O Common point, NMOS open drain

21 RF O Connect to reference resistor, PMOS open drain

22 RS O Connect to sensor resistor, PMOS open drain

23 VDD - Positive power supply

24 PSW I Power ON/OFF input, toggle active

25 TEST I

For the test of production. TEST = open or VDD: LCD display the highest value TEST = VSS: LCD display the real time value

26 BZSEL I

Buzzer output frequency selection BZSEL = open or VDD: 8KHz BZSEL = VSS: 6KHz STSEL1 STSEL2 I Stable time selection (STSEL1, STSEL2 is bonding option) ST STSEL1 STSEL2 4 sec VSS VDD or open 8 sec VDD or open VSS 16 sec VDD or open VDD or open 32 sec VSS VSS

29 ML I

ML = open or VDD: Without memory function ML = VSS: With memory function. The last measurement value Will be displayed after power on.

30 FEVEL I

FEVEL = open or VDD: with fever function FEVEL = VSS: without fever function

31 OSCI I For system oscillator input

32 OSCO O For system oscillator input

33 BZ1 O Buzzer output 1

34 BZ2 O Buzzer output 2

35~37 COM1~ COM3 O LCD common driver

深圳市富满电子有限公司 SHENZHEN FUMAN ELECTRONICS CO., LTD. TC31106D(文件编号：S&CIC1001) One-Decimal Clinical Thermometer 第 4 页 共 7 页 Absolute Maximum Ratings *Note: Stress above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only. Functional operation of this device at these or any other conditions above those indicated in the operational sections of this specification is not implied and exposure to absolute maximum rating conditions for extended periods may affect device reliability.

Electrical Characteristics

Symbol Parameter Test Conditions Min. Typ. Max. Unit VDD Conditions VDD Operating voltage - - 1.3 1.5 1.65 V IDD Operating current 1.5V No load - 20 50 uA ISTB Standby current 1.5V OSC OFF - - 1.0 uA Fosc 1.5V ROSC = 1.1MΩ 25.6 32 38.4 KHz R°C Temperature measurement Accuracy at range 35 ° C~39 °C - VDD = 1.3V~1.5V -0.1 - 0.1 °C R°F Temperature measurement Accuracy at range 95° F ~102° F - VDD = 1.3V~1.5V -0.2 - 0.2 °F LCD Electrode Pattern – Name - - - S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 S12 S13 COM1 COM1 - - F1 A1 B1 F2 A2 B2 F3 A3 B3 A5 COM2 - COM2 - E1 G1 C1 E2 G2 C2 E3 G3 C3 B5 COM3 - - COM3 H1 D1 D2 H2 H4 D3 I4 C5 Note: The LCD uses 3V and 1/3 duty, 1/2 bias For one-digital decimal: COM1, COM2, COM3, S1, S2, S3, S4, S5, S6, S7, S8, S9, S13. Functional Description  Power SW: push PSW switch to power on or power off.  When power on: push the switch, a "BI" sound for 0.125sec will be generated. a. The LCD firstly all segments are on about 2sec. 1 2 3 4 5 6 A B C D 654321 D C B A Title Number RevisionSize B Date: 10-Jul-2006 Sheet of File: E:\\规格书\\规格图\\规格图-0\\ZBO\\JA31106.ddbDrawn By : M A1 A2 A3 A5 B1 B2 B3 C1 C2 C3 D1 D2 D3 I4 H4 H1 E1 E2 E3 F1 F2 F3

深圳市富满电子有限公司 SHENZHEN FUMAN ELECTRONICS CO., LTD. TC31106D(文件编号：S&CIC1001) One-Decimal Clinical Thermometer 第 5 页 共 7 页 b. After a. LCD shows the last-time temperature about 2sec. (If the memory function is optioned) of 1Hz. d. After c., LCD shows the higher measured temperature always, the ° C (° F ) mark will flash at the speed of 1Hz. e. If the temperature < 32.0° C (or 90.0° F ), the display show Lo° C (or Lo ° F ). f. If the temperature ≥ 43.0°C (or 109.9°F ), The display show Hi °C (or Hi °F ). g. The LCD always show the higher temperature during the temperature measurement. h. After power on, the measurement time is over 16 sec and the measured temperature does not change within the stable time, the measurement will be over and the ° C (° F ) mark flash stop. i. For SC31106D, when measurement is over and if the temperature ≥37.8 °C (100°F ). In this case the buzzer alarms “BI-BI-BI--- BI-BI-BI---” for 10 sec, as follows: BI: 0.125sec ---: 0.125sec if the temperature < 37.80°C (100°F), the buzzer alarms “BI-BI-BI-BI-” for 10 sec, as follows: BI --- BI--- BI: 0.5sec ---: 0.5sec j. It will automatically power off after measurement is stable and the system is still on more than 8 min 40sec(Fsys=32kHz) k. When measurement is over and the beep sound is terminated, if the temperature rises within 8 min 40 sec, the measurement will start again, but the ° C mark will not flash and the buzzer will not output also. l. During bi sound is on 10 sec, the temperature is not measurement.  When power off: the stand-by current ≤1μA.  The frequency of buzzer is 6k(VSS) or 8kHz (Open or VDD) by pin option.  Measurement to 0.1 degree at ° C.  Sensor use 503ET.  Reference resistor is the value sensor in 37.0 ° C.  The low battery and “M” flag can not display when the temperature show Hi or Lo.  When battery voltage is low, the battery mark “▲” flashes at the speed of 1Hz and the measurement maybe not accurate. The low TEST pin connect to Vss, the measured temperature will be the actual temperature of voltage detect: 1.35V± 0.05V.  During the process of mass production, in order to adjust the reference resistance (RF), let the measured environment. The LCD can be up or down changed, not always show the higher one.  There are 4 kinds of stable time to be selected; 4 sec, 8 sec, 16 sec and 32 sec. Time STSEL1 STSEL2 4 sec VSS VDD/or open 8 sec VDD/or open VSS 16 sec VDD/or open VDD/or open 32 sec VSS VSS

深圳市富满电子有限公司 SHENZHEN FUMAN ELECTRONICS CO., LTD. TC31106D(文件编号：S&CIC1001) One-Decimal Clinical Thermometer 第 6 页 共 7 页 Flow Chart

深圳市富满电子有限公司 SHENZHEN FUMAN ELECTRONICS CO., LTD. TC31106D(文件编号：S&CIC1001) One-Decimal Clinical Thermometer 第 7 页 共 7 页 Application Circuit 1 2 3 4 5 6 A B C D 654321 D C B A Title Num ber Rev isionSize B Date : 25-O ct-201 2 Shee t of File: C:\\Doc uments and Settings\\Adm inistrator\\ 桌面\\待做的规格书\\已完成规格书\\TC3110 6D(已完成)\\TC3110 6D.ddbDra wn By : LOWC VSS SC RF RS VDD PSW CLFH TEST ML FEVEL BZSEL STSEL1 STSEL2 OSCI OSCO BZ1 BZ2 S12 S13 COM1 COM2 COM3 VCC CAP1 CAP2 203C C 203 TO LCD 220K 202C* REF Sensor BAT 1.28M Ω Rosc Note: REF=30.01kΩ C* = 272~202 C** = 103~104 RBAT = 220K 1.35V± 0.05V