M41T65(2004) Просмотр технического описания (PDF) - STMicroelectronics

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производитель

M41T65
(Rev.:2004)

Serial Access Real-Time Clock with Alarms

STMicroelectronics 

M41T62, M41T63

M41T64, M41T65

Serial Access Real-Time Clock with Alarms

PRELIMINARY DATA

FEATURES SUMMARY

■ TIMEKEEPING DOWN TO 1.0V

■ 1.3V TO 3.6V I2C BUS OPERATING

VOLTAGE

■ COUNTERS FOR TENTHS/HUNDREDTHS

OF SECONDS, SECONDS, MINUTES,

HOURS, DAY, DATE, MONTH, YEAR, AND

CENTURY

■ SERIAL INTERFACE SUPPORTS I2C BUS

(400KHz)

■ PROGRAMMABLE ALARM WITH FLAG BIT

ONLY (M41T63/64)

■ PROGRAMMABLE ALARM WITH

INTERRUPT FUNCTION (M41T62/65)

■ LOW OPERATING CURRENT OF 350µA

■ SOFTWARE CLOCK CALIBRATION

■ OSCILLATOR STOP DETECTION

■ 32KHz SQUARE WAVE ON POWER-UP

(M41T62/63/64)

■ WATCHDOG TIMER

■ WATCHDOG OUTPUT (M41T63/65)

■ AUTOMATIC LEAP YEAR COMPENSATION

■ OPERATING TEMPERATURE OF –40 TO

85°C

■ LEAD-FREE 16-PIN QFN PACKAGE

Figure 1. Package

QFN16 (Q)

Table 1. Device Options

Basic RTC Alarms

M41T62

✔

✔

M41T63

✔

✔

M41T64

✔

✔

M41T65

✔

✔

OSC Fail

Detect

✔

✔

✔

✔

Watchdog

Timer

Calibration

✔

✔

✔

✔

✔

✔

✔

✔

SQW

Output

✔

✔

✔

IRQ

Output

✔

✔

WDO

Output

F32k

✔

✔

✔

May 2004

1/31

This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.

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