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M41T60 fiches techniques PDF

ST Microelectronics - Serial Access Real-Time Clock

Numéro de référence M41T60
Description Serial Access Real-Time Clock
Fabricant ST Microelectronics 
Logo ST Microelectronics 





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M41T60 fiche technique
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M41T60
Serial Access Real-Time Clock
FEATURES SUMMARY
350nA TIMEKEEPING CURRENT @ 3V
TIMEKEEPING DOWN TO 1.0V
1.3V TO 3.6V I2C BUS OPERATING
VOLTAGE
COUNTERS FOR SECONDS, MINUTES,
HOURS, DAY, DATE, MONTH, YEARS, AND
CENTURY
SERIAL INTERFACE SUPPORTS I2C BUS
(400kHz)
SOFTWARE CLOCK CALIBRATION
LOW OPERATING CURRENT OF 35µA
OSCILLATOR STOP DETECTION
AUTOMATIC LEAP YEAR COMPENSATION
SOFTWARE PROGRAMMABLE OUTPUT
(OUT)
OPERATING TEMPERATURE OF –40 TO
85°C
LEAD-FREE 16-PIN QFN PACKAGE
TOTAL SURFACE AREA OF IC AND 32KHz
CRYSTAL IS 21.5mm2
Figure 1. Package
QFN16 (Q)
Figure 2. 32KHz Crystal + QFN16 vs. VSOJ20
VSOJ20 (47.6mm2)
GND Plane Guard Ring (21.5mm2)
SMT
CRYSTAL
1 XI
2 XO
3
4 ST QFN16
AI11107
Figure 3. 16-pin QFN Connections
Note: 1. Open Drain Output.
16 15 14 13
XI 1
12 NC
XO 2
11 OFIRQ/OUT(1)
VSS 3
10 SCL
FT(1) 4
9 SDA
5678
AI08870
May 2005
1/23

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