Maxim Alternatives for the STMicroelectronics M48Z12

STMicroelectronics M48Z12

Benefits of the DS1220AD 16k non-volatile SRAM over the M48Z12:
  • Same 10% VCC operation
  • Pin-for-pin drop-in replacement for the M48Z12 in most cases
  • Battery "freshness seal" extends shelf life prior to manufacturing
  • 100ns, 120ns, 150ns, and 200ns access times
  • A faster access time part may replace a slower access time part in most cases (i.e., a 100ns part can replace a 120ns part)
  • 3V version in development
Benefits of the M48Z12 ZEROPOWER® SRAM over the DS1220AD:
  • 70ns, 150ns, and 200ns access times
  • 0.030" shorter package (same footprint)
  • Slightly less standby current


Maxim Alternative(s) Description Order
DS1220AB, DS1220AD 16k Nonvolatile SRAM Sample

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