Overview
The LC321664AJ, AM, AT is a CMOS dynamic RAM operating on a single 5 V power source and having a 65536-word × 16-bit configuration. Equipped with large capacity capabilities, high-speed transfer rates and low power dissipation, this series is suited for a wide variety of applications ranging from computer main memory and expansion memory to commercial equipment.

Features
• 65536-word × 16-bit configuration
• Single 5 V ±10% power supply
• All input and output (I/O) TTL compatible
• Supports fast page mode, read-modify-write, and byte write.
• Supports output caching control using early write and Output Enable (OE) control.
• 4 ms refresh using 256 refresh cycles
• Supports RAS-only refresh, CAS-before-RAS refresh and hidden refresh.
• Packages SOJ 40-pin (400 mil) plastic package: LC321664AJ SOP 40-pin (525 mil) plastic package: LC321664AM TSOP 44-pin (400 mil) plastic package: LC321664AT
• RAS access time/column address access time/CAS access time/ cycle time/power dissipation