
Hitachi -> Renesas Electronics
Description
The HM5116405 Series, HM5117405 Series are CMOS dynamic RAMs organized 4,194,304-word × 4-bit. They employ the most advanced CMOS technology for high performance and low power. The HM5116405 Series, HM5117405 Series offer Extended Data Out (EDO) Page Mode as a high speed access mode. They have package variations of standard 26-pin plastic SOJ and standard 26-pin plastic TSOP II.
FEATUREs
• Single 5 V (±10%)
• Access time: 50 ns/60 ns/70 ns (max)
• Power dissipation
- Active mode : 495 mW/440 mW/385 mW (max) (HM5116405 Series)
: 550 mW/495 mW/440 mW (max) (HM5117405 Series)
- Standby mode : 11 mW (max)
: 0.83 mW (max) (L-version)
• EDO page mode capability
• Long refresh period
- 4096 refresh cycles : 64 ms (HM5116405 Series)
: 128 ms (L-version)
- 2048 refresh cycles : 32 ms (HM5117405 Series)
: 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