VIS VG26(V)(S)18165C 1,048,576 x 16 - Bit CMOS Dynamic RAM is a memory product produced by VisIC. It is powered by 5V or 3.3V and works at a speed of 50/60ns. It has low power consumption (5V version 660/605 mW, 3.3V version 432/396 mW). It supports EDO page mode access, I/O level supports TTL and LVTTL, and can realize 4 refresh modes: RAS only refresh, CAS - before - RAS refresh, Hidden refresh, Self-refresh.
The VG26(V)(S)18165C is a 1,048,576‑word by 16‑bit CMOS dynamic RAM fabricated with advanced sub‑micron technology. It is supplied in a JEDEC‑standard 42‑pin plastic SOJ package and can operate from a single 5 V or 3.3 V power source, making it suitable for battery‑backed and portable electronic applications.
Key features include high‑speed access (50 ns at 5 V, 60 ns at 3.3 V), low power dissipation, TTL/LVTTL compatible I/O, extended‑data‑out (EDO) page‑mode access, and four refresh modes (RAS‑only, CAS‑before‑RAS, hidden and self‑refresh). Detailed timing parameters, pin assignments and electrical characteristics are provided for both voltage versions.
| Memory capacity | 1,048,576 words × 16 bits |
|---|---|
| Package | 42‑pin plastic SOJ |
| Supply voltage | Single 5 V or 3.3 V |
| Standby power (5 V) | 1.375 mW |
| I/O level compatibility | TTL (5 V) and LVTTL (3.3 V) |
| Refresh modes | RAS‑only, CAS‑before‑RAS, Hidden, Self‑refresh |
It can operate from a single 5 V or 3.3 V power supply.
It is packaged in a 42‑pin plastic SOJ (JEDEC standard).
The chip supports RAS‑only refresh, CAS‑before‑RAS refresh, hidden refresh, and self‑refresh.