Contents

M41T00CAP

Contents

1

Overview .......................................................................................... 5

1.1

Pin connections................................................................................. 6

1.2

Pin description................................................................................... 6

2

Operation ......................................................................................... 7

2.1

Wire bus characteristics .................................................................... 7

2.2

Bus not busy ..................................................................................... 7

2.3

Start data transfer ............................................................................. 7

2.4

Stop data transfer.............................................................................. 7

2.5

Data valid .......................................................................................... 8

2.6

Acknowledge..................................................................................... 8

2.7

READ mode ...................................................................................... 9

2.8

WRITE mode................................................................................... 11

2.9

Data retention mode........................................................................ 11

3

Clock operation ............................................................................. 12

3.1

Clock registers ................................................................................ 13

3.2

Calibrating the clock........................................................................ 13

3.3

Century bit....................................................................................... 14

3.4

Oscillator fail detection .................................................................... 15

3.5

Output driver pin.............................................................................. 15

3.6

Initial power-on default .................................................................... 15

4

Maximum ratings ........................................................................... 16

5

DC and AC parameters ................................................................. 17

6

Package information ..................................................................... 20

6.1

PCDIP24 package........................................................................... 20

7

Part numbering.............................................................................. 21

8

Environmental information ........................................................... 22

9

Revision history ............................................................................ 23

2/24

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