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Numéro de référence | M41T80M | ||
Description | SERIAL ACCESS RTC WITH ALARMS | ||
Fabricant | ST Microelectronics | ||
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1 Page
M41T80
SERIAL ACCESS RTC WITH ALARMS
FEATURES SUMMARY
s 2.0 TO 5.5V CLOCK OPERATING VOLTAGE
s COUNTERS FOR TENTHS/HUNDREDTHS
OF SECONDS, SECONDS, MINUTES,
HOURS, DAY, DATE, MONTH, YEAR, and
CENTURY
s SERIAL INTERFACE SUPPORTS I2C BUS
(400KHz)
s PROGRAMMABLE ALARM and INTERRUPT
FUNCTION
s LOW OPERATING CURRENT OF 200µA
s OPERATING TEMPERATURE OF –40 TO
85°C
Figure 1. Logic Diagram
VCC
XI
XO
SCL
SDA
M41T80
IRQ/OUT/SQW
F32k
VSS
AI07005
Figure 2. 8-pin SOIC Package
8
1
SO8 (M)
Table 1. Signal Names
XI Oscillator Input
XO Oscillator Output
IRQ/OUT/
SQW
Interrupt / Output Driver / Square
Wave (Open Drain)
SDA
Serial Data Input/Output
SCL
Serial Clock Input
F32k
32kHz Square Wave Output (Open
drain)
VCC Supply Voltage
VSS Ground
October 2002
1/20
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Pages | Pages 20 | ||
Télécharger | [ M41T80M ] |
No | Description détaillée | Fabricant |
M41T80 | SERIAL ACCESS RTC WITH ALARMS | ST Microelectronics |
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