JT9673-AS Datasheet, PDF (1/12 Pages) Toshiba Semiconductor – LCD Display Stopwatch LSI

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
1
2003-02-12