A42L8316 is a new generation random access memory for graphics, organized in a 262,144-word by 16-bit configuration.
The A42L8316 series is a 256 K × 16‑bit CMOS dynamic RAM designed for graphics, DSP and high‑performance computing. It operates from a single 3.3 V supply, offers low standby current and fast access times, and supports Fast Page Mode with Extended Data Out (EDO).
The datasheet provides detailed electrical characteristics, timing parameters, pin descriptions, and package dimensions for both SOJ‑40 and TSOP‑40/44 variants. Recommended operating conditions, absolute maximum ratings, and AC characteristics are also listed for system designers.
| Memory organization | 262,144 words × 16 bits |
|---|---|
| Operating temperature range | -40°C to 85°C |
| Supply voltage | 3.3 V (single supply) |
| Operating current | 110 mA |
| Standby current (CMOS) | 1.5 mA |
| RAS access time | 30 ns / 35 ns / 40 ns |
| Column address access time | 16 ns / 17 ns / 18 ns |
| CAS access time | 9 ns / 10 ns / 11 ns |
| EDO page mode cycle time | 14 ns / 16 ns / 18 ns |
The device operates from –40 °C to 85 °C.
It uses a single 3.3 V power supply.
Typical operating current is 110 mA.
RAS access time is 30 ns, 35 ns or 40 ns depending on speed grade.