M41T81_06 datasheet(6/30 Pages) STMICROELECTRONICS

Part #	M41T81

Description	Serial access Real-Time Clock with alarm

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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Summary description

M41T81

6/30

Figure 2.

8-pin SOIC (M) connections

Table 1.

Signal names

XI

Oscillator input

XO

Oscillator output

IRQ/OUT/FT/SQW

Interrupt / output driver / frequency test / square wave (open drain)

SDA

Serial data input/output

SCL

Serial clock input

VBAT

Battery supply voltage

VCC

Supply voltage

VSS

Ground

NC

No connect

NF

No function

2

3

45

6

8

7

1

IRQ/FT/OUT/SQW

SDA

VBAT

SCL

VSS

XO

XI

VCC

M41T81

AI04769

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M41T81 Datasheet(PDF) 6 Page - STMicroelectronics

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