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IDT7140LA35J from IDT

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IDT7140LA35J

Manufacturer: IDT

HIGH-SPEED 1K x 8 DUAL-PORT STATIC RAM

Partnumber Manufacturer Quantity Availability
IDT7140LA35J IDT 2930 In Stock

Description and Introduction

HIGH-SPEED 1K x 8 DUAL-PORT STATIC RAM The **IDT7140LA35J** is a high-speed, low-power **1K x 8 Dual-Port Static RAM** manufactured by **Integrated Device Technology (IDT)**.  

### **Key Specifications:**  
- **Memory Size:** 1K x 8 (8K bits)  
- **Organization:** Dual-port (independent access for both ports)  
- **Speed:** **35 ns** access time  
- **Voltage Supply:** **5V ±10%**  
- **Operating Current:** **85 mA (typical)**  
- **Standby Current:** **20 mA (typical)**  
- **Package:** **32-pin PLCC (Plastic Leaded Chip Carrier)**  

### **Features:**  
- **True Dual-Port Access** – Allows simultaneous reads and writes from both ports  
- **Fully Asynchronous Operation** – No clock required  
- **Bus Compatibility** – TTL-compatible inputs and outputs  
- **On-Chip Arbitration Logic** – Prevents contention during simultaneous access to the same memory location  
- **Automatic Power-Down** – Reduces power consumption when not in use  
- **Industrial Temperature Range:** **-40°C to +85°C**  

### **Applications:**  
- **Interprocessor communication**  
- **Data buffering**  
- **Multiprocessor systems**  
- **Telecommunications equipment**  

This device is designed for high-performance applications requiring fast, reliable dual-port memory access.

Application Scenarios & Design Considerations

HIGH-SPEED 1K x 8 DUAL-PORT STATIC RAM

Alternative Part Number

  • CY7C199-35PC --: Pin-compatible 32K x 8 asynchronous SRAM with 35 ns access time, matching the speed and organization of the IDT7140LA35J.
  • AS7C256-35PC --: 32K x 8 low-power CMOS SRAM with 35 ns access time in the same PLCC package, a direct functional drop-in replacement.
  • IS61C256AL-35J --: 32K x 8 high-speed SRAM with 35 ns access time and compatible pinout, suitable as an alternative source for the IDT7140LA35J.

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