HM5117400B Description
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.
HM5117400B Key Features
- Single 5 V ( ± 10%)
- High speed Access time : 60 ns/ 70 ns/ 80 ns (max)
- Low power dissipation Active mode : 605 mW/550 mW/495 mW(max) Standby mode : 11 mW (max) : 0.83 mW (max) (L-version)
- Fast page mode capability
- Long refresh period 2048 refresh cycles : 32 ms : 128 ms (L-version)
- 3 variations of refresh RAS -only refresh CAS -before-RAS refresh Hidden refresh
- Battery backup operation (L-version)
- Test function 16-bit parallel test mode