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IDT70121S25J from IDT

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15.625ms

IDT70121S25J

Manufacturer: IDT

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

Partnumber Manufacturer Quantity Availability
IDT70121S25J IDT 200 In Stock

Description and Introduction

HIGH-SPEED 2K x 9 DUAL-PORT STATIC RAM WITH BUSY & INTERRUPT The **IDT70121S25J** is a high-speed, low-power **16K x 16 Dual-Port Static RAM (SRAM)** manufactured by **Integrated Device Technology (IDT)**. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Organization:** 16K x 16-bit (262,144 bits)  
- **Technology:** CMOS  
- **Speed:** 25 ns access time  
- **Voltage Supply:** 5V ±10%  
- **Operating Temperature Range:** Commercial (0°C to +70°C)  
- **Package:** 68-pin PLCC (Plastic Leaded Chip Carrier)  
- **I/O Type:** TTL-compatible  

### **Descriptions:**
- **Dual-Port Functionality:** Allows simultaneous access from both ports (left and right) for high-performance applications.  
- **Bus Arbitration:** On-chip logic prevents contention during simultaneous access to the same memory location.  
- **Interrupt Support:** Features mailbox interrupts for inter-processor communication.  
- **Low Power Consumption:** Standby mode reduces power usage when inactive.  

### **Features:**
- **High-Speed Operation:** 25 ns access time for fast data processing.  
- **Independent Port Control:** Each port has separate control signals (CE, OE, R/W).  
- **Semaphores:** Hardware-based semaphore logic for resource sharing.  
- **Expandable:** Multiple devices can be cascaded for larger memory configurations.  
- **Industrial-Grade Options:** Available in extended temperature ranges (not for the "J" commercial variant).  

This SRAM is commonly used in **multiprocessor systems, communication equipment, and real-time data processing** where simultaneous read/write operations are required.  

(Note: Always verify datasheets for the latest technical details.)

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