LC322271M中文资料三洋数据手册PDF规格书

Overview

The LC322271J, M and T is a CMOS dynamic RAM operating on a single 5 V power source and having a 131072 words × 16 bits 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.

特性 Features

• 131072 words × 16 bits 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 buffer control using early write and Output Enable (OE) control.

• 8 ms refresh using 512 refresh cycles.

• Supports RAS-only refresh, CAS-before-RAS refresh and hidden refresh.

• Follows the JEDEC 1 M DRAM (65536 words × 16 bits, 1CAS/2WE) standard.

• RAS access time/column address time/CAS access time/cycle time/power dissipation

• Package:

SOJ 40-pin (400 mil) plastic package : LC322271J

SOP 40-pin (450 mil) plastic package: LC322271M

TSOP 44-pin (400 mil) plastic package : LC322271T