HM5117405LS-7中文资料日立数据手册PDF规格书

描述 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.

特性 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