參數(shù)資料
型號： M48ST59W-100MH1
廠商： STMICROELECTRONICS
元件分類： 時鐘/數(shù)據(jù)恢復及定時提取
英文描述： 0 TIMER(S), REAL TIME CLOCK, PDSO44
封裝： 0.330 INCH, SNAPHAT, PLASTIC, SOH-44
文件頁數(shù)： 12/29頁
文件大?。?/td> 158K
代理商： M48ST59W-100MH1
M48ST59W
2/29
TABLE OF CONTENTS
SUMMARY DESCRIPTION . . . . . . . . .... . ... ... . . . .... .... .. . . . . . . . . . . . . . ... .. . . . . .... . 4
Logic Diagram (Figure 2.) . . . . . . .... . ... .. . . ... ... . ... .. .. ... .. . . ... . ... .. .. ... ... .4
Signal Names (Table 1.) . . .... . . . . .. . . . . . . . . .... . ... .. .. .. . .... ... . . . . . . . . . . . . . . . . 4
44-pin SOIC Connections (Figure 3.) . . . . . . . ... . . . . . . . . . ... .. .. ... .. . ... .. . . ... .. ... . 5
Block Diagram (Figure 4.) . . . . . . . . . . . . . . . . ... .. ... .. .. ... .. .. ... .. .. .... . . ... .. ... . 5
MAXIMUM RATING. . . . . . . . . . . . . . . . . . . . . . . . ... . . . . ... .. ... .. .. ... .. . ... .. . . ... . . . . . . 6
Absolute Maximum Ratings (Table 2.) .... . . ... .. ... .. .. . . . . . . . ... .. .. .... . . ... .. ... .6
DC AND AC PARAMETERS. . . . . . . .... . ... .. . . . . .... .... .. . . . . . . . . . . . . . ... .. . . . . .... . 7
DC and AC Measurement Conditions (Table 3.) . . . . . . . . . . . . . . . . . . . . . . . . . .... . . ... .. ... . 7
AC Testing Load Circuit (Figure 5.) . . . . . . . . . . . . . . . . . . . . . . . . . . .... .... .. . . . . . . . . .... . . 7
Capacitance (Table 4.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .... .... ... . . . . . . . . ... .. . . ... . . 7
DC Characteristics (Table 5.) . . . .... . ... .. . . . . .... . ... .. . . ... .. . . . . . . ... .. . . ... ... .8
OPERATING MODES . . . . . . . . . . . . . . . . . . . .... . ... .. .. .. . . . . . . . . . . . . ... . . . .... . ... .. ..9
Operating Modes (Table 6.). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
READ Mode. . . . . .... . . . .... .... .. . .... .. . .... . ... .. .. .. .... . . . ... . . . . . . . . . . . . . 10
READ Mode AC Waveforms (Figure 6.) . . . . . . . . . . . . . . . .... .... ... . . . . . . . . ... .. . . ... . 10
READ Mode AC Characteristics (Table 7.) . . . . . . . .... . . . ... . . . . . . . . . . . . . ... .. . . .. .... 10
WRITE Mode. . . . . . . . . . . . . . . . . . . . .... . . ... .. ... .. .. . . . . . . . ... .. .. .... . . ... .. .. . 11
WRITE Mode AC Waveforms (Figure 7.) .... .. . .... . ... .. .. .. . . . . . . . ... . . . . . . . . . . . . . 11
Chip Enable Controlled, WRITE Mode AC Waveforms (Figure 8.) . . . . . . . .... . ... .. . . ... ... 11
WRITE Mode AC Characteristics (Table 8.) . . . . . . .... . ... .. . . ... .. . . . . . . ... .. . . ... ... 12
Data Retention Mode. . . . . .... . . . . .. . . . . . . . . . . . . . ... ... . . . . . . . . . . . . ... .. . . . . . . . . . 13
Power Down/Up Mode AC Waveforms (Figure 9.) . . . ... . . . . . . . . . .... ... . . . . . . . . . . . . . . . 13
Power Down/Up Trip Points DC Characteristics (Table 9.) . . . . . . . . . . . . . . . . . .... . . ... .. ... 14
Power Down/Up AC Characteristics (Table 10.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .... . ... .. .14
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