Description

The HM5117805is a CMOS dynamic RAM organized 2,097,152-word ×8-bit. It employs the most

advanced CMOS technology for high performance and low power. The HM5117805 offers Extended Data Out(EDO) Page Mode as a high speed access mode. Multiplexed address input permits the HM5117805 to be packaged in standard 28-pin plastic SOJ and 28-pin TSOP.

Features

•  Single 5 V (±10%)

•  Access time: 50 ns/60 ns/70 ns (max)

•  Power dissipation

    Active mode:  605 mW/550 mW/495 mW (max)

    Standby mode : 11 mW (max)

                        : 0.83 mW (max) (L-version)

•  EDO page mode capability

•  Long refresh period

    2048 refresh cycles : 32 ms

                              : 128 ms (L-version)

•  4 variations of refresh

 RAS-only refresh

 CAS-before-RAS refresh

 Hidden refresh

 Self refresh (L-version)

•  Battery backup operation (L-version)