M41T80
SERIAL ACCESS RTC WITH ALARMS
FEATURES SUMMARY s 2.
0 TO 5.
5V CLOCK OPERATING
VOLTAGE
s
Figure 2.
8-pin SOIC Package
COUNTERS FOR TENTHS/HUNDREDTHS OF SECONDS, SECONDS, MINUTES, HOURS, DAY, DATE, MONTH, YEAR, and CENTURY SERIAL INTERFACE SUPPORTS I2C BUS (400KHz) PROGRAMMABLE ALARM and INTERRUPT FUNCTION LOW OPERATING CURRENT OF 200µA OPERATING TEMPERATURE OF –40 TO 85°C Table 1.
Signal Names
XI XO IRQ/OUT/ SQW
IRQ/OUT/SQW M41T80 SCL SDA F32k
s
8 1
s
SO8 (M)
s s
Figure 1.
Logic Diagram
VCC
Oscillator Input Oscillator Output Interrupt / Output Driver / Square Wave (Open Drain) Serial Data Input/Output Serial Clock Input 32kHz Square Wave Output (Open drain) Supply
Voltage Groun...