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Numéro de référence | M41T60 | ||
Description | Serial Access Real-Time Clock | ||
Fabricant | ST Microelectronics | ||
Logo | |||
1 Page
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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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Pages | Pages 23 | ||
Télécharger | [ M41T60 ] |
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