HM6264A series 8192-word × 8-bit High Speed CMOS Static RAM is a completely static memory that does not require a clock or timing strobe. It has fast access time, single +5V power supply, direct TTL compatibility and battery backup operation function.
The HM6264A series is a high‑speed CMOS static RAM offering 8192 words of 8‑bit storage. It operates from a single +5 V supply, provides low‑power standby modes and is fully TTL compatible.
The document lists ordering information, pin‑out, absolute maximum ratings, recommended operating conditions, detailed DC/AC characteristics, timing diagrams for read and write cycles, and low‑voltage data‑retention behavior.
| Low‑power standby power | 0.1 mW (typ) |
|---|---|
| Maximum access time | 100 ns / 120 ns / 150 ns (max) |
| Supply voltage (Vcc) | 4.5 V – 5.0 V – 5.5 V |
| Operating power (Icc) | 7 mA – 15 mA |
| Standby supply current | 1 mA – 3 mA |
| Input capacitance | 5 pF |
| Output leakage current | 2 pA |
| Package types | 28‑pin plastic DIP (600 mil, 300 mil) and 28‑pin plastic SOP |
The maximum access time is 100 ns for the 10‑ns version, 120 ns for the 12‑ns version, and 150 ns for the 15‑ns version.
Recommended supply voltage is 5.0 V, with a permissible range from 4.5 V minimum to 5.5 V maximum.
It is offered in 28‑pin plastic DIP packages (600 mil and 300 mil widths) and in 28‑pin plastic SOP packages.