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IDT71321LA25PF from IDT

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IDT71321LA25PF

Manufacturer: IDT

HIGH-SPEED 2K x 8 DUAL-PORT STATIC RAM WITH INTERRUPTS

Partnumber Manufacturer Quantity Availability
IDT71321LA25PF IDT 69 In Stock

Description and Introduction

HIGH-SPEED 2K x 8 DUAL-PORT STATIC RAM WITH INTERRUPTS The IDT71321LA25PF is a high-speed 16K x 16 dual-port static RAM (SRAM) manufactured by Integrated Device Technology (IDT). Below are its specifications, descriptions, and features:

### **Specifications:**  
- **Organization:** 16K x 16 (262,144 bits)  
- **Access Time:** 25 ns  
- **Operating Voltage:** 5V ±10%  
- **Power Dissipation:**  
  - Active: 1.5W (typical)  
  - Standby: 100mW (typical)  
- **Operating Temperature Range:** Commercial (0°C to +70°C)  
- **Package:** 64-pin Plastic Thin Quad Flat Pack (TQFP)  

### **Descriptions:**  
- The IDT71321LA25PF is a dual-port RAM that allows simultaneous access from two independent buses.  
- It supports full asynchronous operation for both ports.  
- Designed for high-performance applications requiring fast data transfer between processors.  

### **Features:**  
- **True Dual-Port Operation:** Independent read/write access from both ports.  
- **Bus Compatibility:** TTL-compatible inputs and outputs.  
- **Interrupt Flag:** Supports mailbox communication between processors.  
- **Semaphore Control:** Hardware semaphore for shared resource management.  
- **Automatic Power-Down:** Reduces power consumption when not in use.  
- **High-Speed Access:** 25 ns access time for high-performance applications.  

This device is commonly used in multiprocessor systems, communication equipment, and other applications requiring shared memory access.

Application Scenarios & Design Considerations

HIGH-SPEED 2K x 8 DUAL-PORT STATIC RAM WITH INTERRUPTS

Alternative Part Number

  • CY7C1321-25AC --: Dual-port SRAM with similar 4Kx8/2Kx16 organization and 25 ns access time, a common second-source for IDT dual-port RAMs.
  • AS7C321-25PC --: Pin-compatible dual-port SRAM alternative with matching 25 ns speed grade and similar architecture, widely used as an IDT replacement.
  • IS61C321-25T --: Dual-port SRAM offering comparable density and 25 ns timing, suitable as a functional substitute when the IDT part is unavailable.
  • 71321LA25PFG --: Renesas acquired IDT's memory portfolio and continues to produce this dual-port SRAM under a different series prefix, ensuring long-term availability.

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