DS1265W Maxim, DS1265W Datasheet
DS1265W
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DS1265W Summary of contents
Page 1
... Optional industrial (IND) temperature range of -40°C to +85°C DESCRIPTION The DS1265W 8Mb nonvolatile (NV) SRAMs are 8,388,608-bit, fully static, NV SRAMs organized as 1,048,576 words by 8 bits. Each NV SRAM has a self-contained lithium energy source and control circuitry that constantly monitors V the lithium energy source is automatically switched on and write protection is unconditionally enabled to prevent data corruption ...
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... However, if the output drivers are enabled ( will disable the outputs in t ODW DATA-RETENTION MODE The DS1265W provides full functional capability for V Data is maintained in the absence of V RAMs constantly monitor V CC protect themselves, all inputs become “don’t care,” and all outputs become high-impedance below approximately 2 ...
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... 150 CCS1 I 100 CCS2 I CCO1 V 2.8 2.9 TP SYMBOL MIN TYP I DS1265W -0.3V to +4.6V 0°C to +70°C -40°C to +85°C -40°C to +85°C +260° See Note 10) A MAX UNITS NOTES 3 +0 3.3V ±0.3V) CC MAX UNITS NOTES µA +2.0 µ ...
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... COE 100 WR1 t WR2 20 t ODW t 5 OEW DH1 t DH2 DS1265W = 3.3V ±0.3V) CC UNITS NOTES MAX ns 100 100 ...
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... TIMING DIAGRAM: WRITE CYCLE 1 TIMING DIAGRAM: WRITE CYCLE 2 SEE NOTES AND DS1265W ...
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... WE or going high See Note 10) A TYP MAX UNITS NOTES µs 1.5 µs µ 125 +25°C) A TYP MAX UNITS NOTES years low transition, the output WE high transition, the output WE low transition, CE DS1265W 11 9 going ...
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... Each DS1265W has a built-in switch that disconnects the lithium source until V the user. The expected t DR time power is first applied by the user. 10. All AC and DC electrical characteristics are valid over the full operating temperature range. For commercial products, this range is 0°C to+ 70°C. For industrial products (IND), this range is -40°C to +85° ...
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... Absolute Maximum Ratings section; removed the -150 MIN/MAX information from the AC Electrical 11/10 Characteristics table; updated the Ordering Information table (removed -150 parts and leaded -100 parts); replaced the package outline drawing with the Package Information table DESCRIPTION DS1265W PAGES CHANGED ...