IDT71256S25YB PDF File ( Datasheet )

CMOS STATIC RAM 256K (32K x 8-BIT) Integrated Device Technology, Inc. IDT71256S IDT71256L FEATURES: High-speed address, chip select time Military: 25, 30, 35, 45, 55, 70, 85, 100, 120, 150ns (max.) Commercial: 20, 25, 35, 45ns (max.) Low Power only. Low-power operation Battery Backup operation 2V data retention Produced with advanced high-performance CMOS technology Input and output directly TTL-compatible Available in standard 28-pin (300 or 600 mil) ceramic DIP, 28-pin (600 mil) pla