The Hitachi HM5118165 is a CMOS dynamic RAM organized as 1,048,576-word × 16-bit. It employs the most advanced 0.5 µm CMOS technology for high performance and low power. The HM5118165 offers Extended Data Out (EDO) Page Mode as a high speed access mode. It is packaged in 42-pin plastic SOJ and 50-pin plastic TSOP II.
The HM5118165 series is a 1‑Mword × 16‑bit CMOS dynamic RAM using 0.5 µm technology for high performance and low power. It supports Extended Data Out (EDO) page mode and is offered in 42‑pin plastic SOJ and 50‑pin plastic TSOP packages.
The datasheet provides electrical characteristics, timing parameters, pin assignments, and refresh options, along with absolute maximum ratings and recommended operating conditions for designers integrating the device into memory subsystems.
| Access time | 50 ns / 60 ns / 70 ns (max) |
|---|---|
| Active mode power dissipation | 1045 mW / 935 mW / 825 mW (max) |
| Standby power | 11 mW (max) |
| Refresh cycle time (1024 cycles) | 16 ms |
| Supply voltage (Vcc) | 4.5 V – 5.5 V |
| Operating temperature | 0 °C to +70 °C |
| Package types | 42‑pin plastic SOJ, 50‑pin plastic TSOP |
The device is offered with 50 ns, 60 ns, and 70 ns maximum access times.
Standby power consumption is up to 11 mW.
It is available in a 42‑pin plastic SOJ and a 50‑pin plastic TSOP.
Four refresh variations are supported: RAS‑only, CAS‑before‑RAS, hidden, and self‑refresh (L‑version).