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General Description

The ACT-D1M96S device is a high-speed 96Mbit synchronous dynamic random access memory (SDRAM) organized as 2 independent 512K X 48 X 2 banks. All inputs and outputs of the ACT-D1M96S are compatible with the LVTTL interface. All inputs and outputs are synchronized with the CLK input to simplify system design and enhance use with high-speed microprocessors and caches.

Features

■ 6 Low Power Micron 1M X 16 Synchronous Dynamic Random Access Memory Chips in one MCM

■ User Configureable as 2 Independent 512K X 48 X 2 Banks

■ High-Speed, Low-Noise, Low-Voltage TTL (LVTTL) Interface

■ 3.3-V Power Supply (±10 Tolerance)

■ Separate Logic and Output Driver Power Pins

■ Two Banks for On-Chip Interleaving (Gapless Accesses)

■ Up to 50-MHz Data Rates

■ CAS Latency (CL) Programmable to 2 Cycles From Column-Address Entry

■ Burst Length Programmable to 4 or 8

■ Pipeline Architecture

■ Cycle-by-Cycle DQ-Bus Write Mask Capability With Upper and Lower Byte Control

■ Chip Select and Clock Enable for Enhanced-System Interfacing

■ Serial Burst Sequence

■ Auto-Refresh

■ 4K Refresh (Total for Both Banks)

■ 200-lead CQFP, cavity-up package