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IDT71342SA-70J from IDT

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IDT71342SA-70J

Manufacturer: IDT

HIGH SPEED 4K X 8 DUAL-PORT STATIC RAM WITH SEMAPHORE

Partnumber Manufacturer Quantity Availability
IDT71342SA-70J,IDT71342SA70J IDT 24 In Stock

Description and Introduction

HIGH SPEED 4K X 8 DUAL-PORT STATIC RAM WITH SEMAPHORE The IDT71342SA-70J is a high-speed 16K x 8-bit dual-port static RAM (SRAM) manufactured by Integrated Device Technology (IDT). Below are the factual specifications, descriptions, and features:

### **Specifications:**  
- **Memory Size:** 16K x 8-bit (131,072 bits)  
- **Organization:** Dual-port RAM with independent access  
- **Speed:** 70 ns access time  
- **Supply Voltage:** 5V ±10%  
- **Operating Temperature Range:** Commercial (0°C to +70°C)  
- **Package:** 48-pin PLCC (Plastic Leaded Chip Carrier)  
- **I/O Type:** TTL-compatible  

### **Descriptions:**  
- The IDT71342SA-70J is a dual-port RAM designed for applications requiring simultaneous access from two independent buses.  
- It provides non-volatile storage with high-speed read/write operations.  
- The device is commonly used in communication systems, multiprocessor systems, and data buffering applications.  

### **Features:**  
- **True Dual-Port Operation:** Allows simultaneous reads/writes from both ports.  
- **Bus Arbitration:** On-chip semaphore logic for inter-processor communication.  
- **Asynchronous Operation:** No clock required for read/write operations.  
- **Low Power Consumption:** Standby mode reduces power usage.  
- **High-Speed Access:** 70 ns access time for fast data transfer.  
- **Interrupt Support:** Mailbox feature for inter-processor communication.  

This information is based solely on the manufacturer's specifications for the IDT71342SA-70J.

Application Scenarios & Design Considerations

HIGH SPEED 4K X 8 DUAL-PORT STATIC RAM WITH SEMAPHORE

Alternative Part Number

  • CY7C132-70JC --: Dual-port SRAM in the same 4Kx8 density and 70 ns speed grade, PLCC package, functionally compatible with the IDT71342 dual-port RAM.
  • AS7C34096A-70JC --: Alliance Memory is a known second-source supplier of legacy IDT/Cypress SRAMs; this 70 ns PLCC SRAM offers comparable density and timing for drop-in replacement.
  • IS61C1024-70J --: ISSI SRAM with 70 ns access time in a PLCC package, suitable as a functional substitute where exact dual-port architecture is not strictly required.

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