M41T80M datasheet(1/20 Pages) STMICROELECTRONICS

部件名	M41T80M

功能描述	SERIAL ACCESS RTC WITH ALARMS

PDF	20 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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October 2002

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

Figure 2. 8-pin SOIC Package

Table 1. Signal Names

SCL

VCC

M41T80

VSS

SDA

F32k

IRQ/OUT/SQW

XI

XO

AI07005

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

8

1

SO8 (M)

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制造商	部件名	数据表	功能描述
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M41T80M 数据表(PDF) 1 Page - STMicroelectronics

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类似零件编号 - M41T80M

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