HM5117400B Series

      The Hitachi HM5117400B is a CMOS dynamic RAM organized 4,194,304 word 4 bit. It employs the most advanced CMOS technology for high performance and low power. The HM5117400B offers Fast Page Mode as a high speed access mode.
      Features of HM5117400B are as follows:1.Single 5V(10%);2.High speed:Access time :60ns/70ns/80ns(max);3.Low power dissipation:Active mode:605 mW/550 mW/495mW(max),Standby mode:11mW(max):0.83 mW (max)(L-version);4.Fast page mode capability;5.Long refresh period:2048 refresh cycles:32 ms: 128 ms (L-version);6.Battery backup operation (L-version);7.Test function:16-bit parallel test mode.
      AbsoluteMaximum Ratings of HM5117400B:(1)Voltage on any pin relative to VSS is -1.0 to +7.0V;(2)Supply voltage relative to VSS is 1.0 to +7.0V;(3)Short circuit output current is 50mA;(4)Power dissipation is 1.0W;(5)Operating temperature is 0 to +70. Recommended DC Operating Conditions:Supply voltage(VCC) is 4.5 to 5.5V;Input high voltage is 2.4 to 6.5V;Input low voltage is -1.0 to 0.8V.