Description
The Hitachi HM5164165F Series, HM5165165F Series are 64M-bit dynamic RAMs organized as 4,194,304-word × 16-bit. They have realized high performance and low power by employing CMOS process technology. HM5164165F Series, HM5165165F Series offer Extended Data Out (EDO) Page Mode as a high speed access mode. They have the package variations of standard 50-pin plastic SOJ and standerd 50-pin plastic TSOPII

FEATUREs
• Single 3.3 V supply: 3.3 V ± 0.3 V
• Access time: 50 ns/60 ns (max)
• Power dissipation
 - Active: 432 mW/396 mW (max) (HM5164165F Series)
              : 504 mW/432 mW (max) (HM5165165F Series)
 - Standby : 1.8 mW (max) (CMOS interface)
                  : 1.1 mW (max) (L-version)
• EDO page mode capability
• Refresh cycles
 - RAS-only refresh
     8192 cycles /64 ms (HM5164165F, HM5164165FL)
     4096 cycles /64 ms (HM5165165F, HM5165165FL)
 - CBR/Hidden refresh
    4096 cycles /64 ms (HM5164165F, HM5164165FL, HM5165165F, HM5165165FL)
• 4 variations of refresh
   - RAS-only refresh
   - CAS-before-RAS refresh
   - Hidden refresh
   - Self refresh (L-version)
• 2CAS-byte control
• Battery backup operation (L-version)