DS1270W Maxim, DS1270W Datasheet
DS1270W
Available stocks
Related parts for DS1270W
DS1270W Summary of contents
Page 1
... Optional industrial (IND) temperature range of -40°C to +85°C DESCRIPTION The DS1270W 16Mb nonvolatile (NV) SRAMs are 16,777,216-bit, fully static, NV SRAMs organized as 2,097,152 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 ...
Page 2
... However, if the output drivers are enabled ( will disable the outputs in t ODW DATA-RETENTION MODE The DS1270W 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 ...
Page 3
... 150 CCS1 I 100 CCS2 I CCO1 V 2.8 2.9 TP SYMBOL MIN TYP I DS1270W -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 +4.0 µ ...
Page 4
... COE 100 WR1 t 20 WR2 t ODW t 5 OEW DH1 t 20 DH2 DS1270W = 3.3V ± 0.3V) CC UNITS NOTES MAX ns 100 100 ...
Page 5
... TIMING DIAGRAM: WRITE CYCLE 1 TIMING DIAGRAM: WRITE CYCLE 2 SEE NOTES AND DS1270W ...
Page 6
... See Note 10) A TYP MAX UNITS µs 1.5 µs µ 125 TYP MAX UNITS years is measured from the latter of low transition, the output WE high transition, the output WE low transition, CE DS1270W NOTES 11 = +25°C) NOTES ...
Page 7
... Input Pulse Rise and Fall Times: 5ns SUPPLY TOLERANCE 3.3V ± 0.3V 3.3V ± 0.3V OUTLINE NO. MDT36#2 21-0245 first applied by the CC starting from the time PIN- SPEED GRADE PACKAGE (ns) 36 740 EDIP 100 36 740 EDIP 100 Note that a “+”, LAND PATTERN NO. — DS1270W ...
Page 8
... 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 DS1270W PAGES CHANGED ...