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PDF JT9673-AS Data sheet ( Hoja de datos )
| Número de pieza | JT9673-AS | |
| Descripción | LCD Display Stopwatch LSI | |
| Fabricantes | Toshiba Semiconductor | |
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TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
JT9673-AS
LCD Display Stopwatch LSI
JT9673-AS
This product is a single-chip CMOS LSI for stopwatches capable of directly driving a 7-digit LCD with four signs.
Applications
· Stopwatches
Features
· 32.768 kHz crystal oscillator
· Displays hour, minute, second, and hundredths of seconds
· Four-sign, 7-digit display, 1/3-duty LCD drive
· 5 display modes (RESET, RUN, STOP, LAP, LAP STOP) and optional display modes (NORMAL LAP,
SECTION LAP) are selectable by bonding option.
· Counting by 9 hours, 59 minutes, 59 seconds, 99 hundredths of second (units: 1/100 second)
· Power supply: 1.55 V-single power supply
· Built-in voltage doubler circuit
· Low current consumption (Isup = 3.0 µA max)
Block Diagram
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3. Display Modes
4. Display Sequence
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The display returns from 9 hours, 59 minutes, 59 seconds, 99 1/100 seconds, to 0 hours, 00 minutes, 00
seconds 00 and counting continues.
5. Display Example
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Application Circuit Example
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Note 11: Be sure to connect the VDD (MAIN).
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| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet JT9673-AS.PDF ] | |
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