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IDT70121S

Part Number	IDT70121S
Manufacturer	Integrated Device Technology
Description	HIGH-SPEED 2K x 9 DUAL-PORT STATIC RAM
Published	Apr 3, 2005
Detailed Description	HIGH-SPEED 2K x 9 DUAL-PORT STATIC RAM WITH BUSY & INTERRUPT Integrated Device Technology, Inc. IDT70121S/L IDT70125S/L...
Datasheet	IDT70121S PDF File

Overview

HIGH-SPEED 2K x 9 DUAL-PORT STATIC RAM WITH BUSY & INTERRUPT Integrated Device Technology, Inc.
IDT70121S/L IDT70125S/L FEATURES: • High-speed access – Commercial: 25/35/45/55ns (max.
) • Low-power operation – IDT70121/70125S Active: 500mW (typ.
) Standby: 5mW (typ.
) – IDT70121/70125L Active: 500mW (typ.
) Standby: 1mW (typ.
) • Fully asychronous operation from either port • MASTER IDT70121 easily expands data bus width to 18 bits or more using SLAVE IDT70125 chip • On-chip port arbitration logic (IDT70121 only) • BUSY output flag on Master; BUSY input on Slave • INT flag for port-to-port communication • Battery backup operation—2V data retention • TTL-compatible, signal 5V (± 10%) power suppl...

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