DS1245AB Maxim, DS1245AB Datasheet
DS1245AB
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DS1245AB Summary of contents
Page 1
... Full ±10% V operating range (DS1245Y) CC Optional ±5% V operating range CC (DS1245AB) Optional industrial temperature range of -40°C to +85°C, designated IND JEDEC standard 32-pin DIP package PowerCap Module (PCM) package - Directly surface-mountable module ...
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... Should the supply voltage decay, the NV SRAMs CC to RAM and disconnects the lithium energy source. CC exceeds 4.75 volts for the DS1245AB and 4.5 volts for the CC is first applied at a level greater than 4.25 volts, the lithium energy source DS1245Y/AB (Chip Enable) ...
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PACKAGES The DS1245 devices are available in two packages: 32-pin DIP and 34-pin PowerCap Module (PCM). The 32-pin DIP integrates a lithium battery, an SRAM memory and a nonvolatile control function into a single package with a JEDEC-standard 600-mil DIP ...
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... See Note 10) A TYP MAX UNITS NOTES 5.0 5.25 V 5 ±5% for DS1245AB ±10% for DS1245Y) CC TYP MAX UNITS NOTES µA +1.0 µA +1 µA 200 600 µA 50 150 ...
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... Output Hold from Address Change Write Cycle Time Write Pulse Width Address Setup Time Write Recovery Time Output High Z from WE Output Active from WE Data Setup Time Data Hold Time = 5V ±5% for DS1245AB ±10% for DS1245Y See Note 10 DS1245AB-70 DS1245Y-70 SYMBOL ...
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READ CYCLE SEE NOTE 1 WRITE CYCLE 1 SEE NOTES and DS1245Y/AB ...
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WRITE CYCLE 2 SEE NOTES and 13 POWER-DOWN/POWER-UP CONDITION DS1245Y/AB ...
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POWER-DOWN/POWER-UP TIMING PARAMETER V Fail Detect to and slew from slew from Valid to and Inactive Valid to End of ...
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... All voltages are referenced to ground ORDERING INFORMATION PART TEMP RANGE DS1245AB-70+ 0°C to +70°C DS1245ABP-70+ 0°C to +70°C DS1245AB-70IND+ -40°C to +85°C DS1245ABP-70IND+ -40°C to +85°C DS1245Y-70+ 0°C to +70°C DS1245YP-70+ 0°C to +70°C DS1245Y-70IND+ -40°C to +85°C DS1245YP-70IND+ -40°C to +85°C +Denotes a lead(Pb)-free/RoHS-compliant package ...
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... Added Package Information table; removed the DIP module package 121907 drawing and dimension table Updated the storage information, soldering temperature, and lead temperature information in the Absolute Maximum Ratings section; removed the -85, -100, and -120 MIN/MAX information from the AC 11/10 Electrical Characteristics table; updated the Ordering Information table (removed -85, -100, and -120 parts and leaded -70 parts) ...