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IDT70121S55J from IDT

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IDT70121S55J

Manufacturer: IDT

HIGH-SPEED 2K x 9 DUAL-PORT STATIC RAM WITH BUSY & INTERRUPT

Partnumber Manufacturer Quantity Availability
IDT70121S55J IDT 60 In Stock

Description and Introduction

HIGH-SPEED 2K x 9 DUAL-PORT STATIC RAM WITH BUSY & INTERRUPT The **IDT70121S55J** is a high-speed, low-power **16K x 8 Dual-Port Static RAM** manufactured by **Integrated Device Technology (IDT)**.  

### **Key Specifications:**  
- **Density:** 16K x 8 (131,072 bits)  
- **Organization:** Dual-port (independent access for both ports)  
- **Speed:** 55 ns access time  
- **Voltage Supply:** 5V ±10%  
- **Operating Current:** 150 mA (typical)  
- **Standby Current:** 10 mA (typical)  
- **Package:** 48-pin PLCC (Plastic Leaded Chip Carrier)  
- **Temperature Range:** Commercial (0°C to +70°C)  

### **Features:**  
- **True Dual-Ported Memory Cells** – Allows simultaneous reads/writes from both ports.  
- **Bus Arbitration Logic** – On-chip semaphore for inter-processor communication.  
- **Interrupt Support** – Mailbox interrupt for communication between ports.  
- **High-Speed Operation** – Optimized for low-power, high-performance applications.  
- **TTL-Compatible I/O** – Supports standard logic levels.  
- **Industrial-Grade Options Available** – Extended temperature range variants.  

This SRAM is commonly used in **multiprocessor systems, communication buffers, and data-sharing applications** where simultaneous access is required.  

Would you like additional details on pinout or timing characteristics?

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