DS1249Y-70IND# Maxim Integrated Products, DS1249Y-70IND# Datasheet
![IC NVSRAM 2MBIT 70NS 32DIP](/photos/6/58/65858/ds1245y-70ind__sml.jpg)
DS1249Y-70IND#
Specifications of DS1249Y-70IND#
Available stocks
Related parts for DS1249Y-70IND#
DS1249Y-70IND# Summary of contents
Page 1
... Low-power CMOS operation Read and write access times Lithium energy source is electrically disconnected to retain freshness until power is applied for the first time Full ± 10% V operating range (DS1249Y) CC Optional ± operating range CC (DS1249AB) Optional industrial temperature range of -40° ...
Page 2
... ODW DATA RETENTION MODE The DS1249AB provides full functional capability for V 4.5 volts. The DS1249Y provides full-functional capability for V protects by 4.25 volts. Data is maintained in the absence of V The nonvolatile static RAMs constantly monitor V automatically write protects themselves, all inputs become “don’t care,” and all outputs become high impedance ...
Page 3
... See Note 10) A TYP MAX UNITS NOTES 5.0 5.25 V 5 ±5% for DS1249AB ±10% for DS1249Y) CC TYP MAX UNITS NOTES µA +2.0 µA +2 1.0 1.5 mA µA 100 150 85 mA 4.62 4.75 V 4.37 4 ...
Page 4
... Write Recovery Time Output High-Z from WE Output Active from WE Data Setup Time Data Hold Time ( See Note 10 DS1249AB-70 DS1249Y-70 SYMBOL MIN ACC COE WR1 t 15 WR2 t ODW t 5 OEW DH1 t DH2 DS1249Y/ ±5% for DS1249AB ±10% for DS1249Y) UNITS NOTES MAX ...
Page 5
... READ CYCLE SEE NOTE 1 WRITE CYCLE 1 SEE NOTES and DS1249Y/AB ...
Page 6
... WRITE CYCLE 2 SEE NOTES and 13 POWER-DOWN/POWER-UP CONDITION SEE NOTE DS1249Y/AB ...
Page 7
... IH and . t is measured from the latter going high going high going high. WE going high DS1249Y/ See Note 10) A TYP MAX UNITS NOTES µs 1.5 µs µ 125 +25°C) A TYP MAX ...
Page 8
... DS1249AB-70IND# -40°C to +85°C DS1249Y-70# 0°C to +70°C DS1249Y-70IND# -40°C to +85°C #Denotes a RoHS-compliant device that may include lead(Pb) that is exempt under the RoHS requirements. PACKAGE INFORMATION For the latest package outline information and land patterns www.maxim-ic.com/packages. “#”, or “-” in the package code indicates RoHS status only. Package drawings may show a different suffix character, but the drawing pertains to the package regardless of RoHS status ...
Page 9
... Updated the storage information, soldering temperature, and lead temperature information in the Absolute Maximum Ratings section; 11/10 removed the -100 MIN/MAX information from the AC Electrical Characteristics table; updated the Ordering Information table (removed - 100 parts and leaded -70 parts); updated the Package Information table DESCRIPTION DS1249Y/AB PAGES CHANGED ...