List of tables

M41ST87W

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DocID9497 Rev 11

List of tables

Table 1: Signal names ................................................................................................................................9

Table 2: I

2C slave address........................................................................................................................12

Table 3: AC characteristics .......................................................................................................................15

Table 4: Tamper detection truth table.......................................................................................................20

Table 5: Tamper detection current (normally closed - TCMX = '0') ..........................................................22

Table 6: Tamper detect timing ..................................................................................................................24

Table 7: Calculated cutoff frequency for typical capacitance and resistance values ...............................26

Table 8: TIMEKEEPER

® register map......................................................................................................29

Table 9: Alarm repeat modes ...................................................................................................................33

Table 10: Square wave output frequency .................................................................................................35

Table 11: Reset AC characteristics ..........................................................................................................37

Table 12: Century bits examples ..............................................................................................................38

Table 13: trec definitions...........................................................................................................................39

Table 14: Default values ...........................................................................................................................40

Table 15: Default values ...........................................................................................................................40

Table 16: Absolute maximum ratings .......................................................................................................41

Table 17: DC and AC measurement conditions .......................................................................................42

Table 18: Capacitance ..............................................................................................................................42

Table 19: DC characteristics.....................................................................................................................43

Table 20: Crystal electrical characteristics ...............................................................................................44

Table 21: Power down/up AC characteristics ...........................................................................................45

Table 22: SOX28 – 28-lead plastic small outline, 300 mils, embedded crystal package mechanical data

..................................................................................................................................................................47

Table 23: SSOP20 – 20-lead, shrink, small outline package mechanical data ........................................48

Table 24: Carrier tape dimensions for SOX28 package ...........................................................................49

Table 25: Reel dimensions for 24 mm carrier tape (SOX28 package) and 16 mm carrier tape (SSOP20

package) ...................................................................................................................................................51

Table 26: Ordering information scheme ...................................................................................................52

Table 27: Document revision history ........................................................................................................53