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IDT72V8981DB from IDT

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IDT72V8981DB

Manufacturer: IDT

3.3 VOLT TIME SLOT INTERCHANGE DIGITAL SWITCH 128 x 128

Partnumber Manufacturer Quantity Availability
IDT72V8981DB IDT 58 In Stock

Description and Introduction

3.3 VOLT TIME SLOT INTERCHANGE DIGITAL SWITCH 128 x 128 The IDT72V8981DB is a high-speed, low-power 3.3V synchronous dual-port static RAM (SRAM) manufactured by Integrated Device Technology (IDT).  

### **Key Specifications:**  
- **Density:** 1,048,576 bits (128K x 8)  
- **Organization:** Dual 64K x 8  
- **Supply Voltage:** 3.3V ±10%  
- **Access Time:** 15 ns (max)  
- **Operating Current:** 150 mA (typical)  
- **Standby Current:** 10 mA (typical)  
- **I/O Compatibility:** 3.3V and 5V-tolerant inputs  
- **Package:** 100-pin TQFP (Thin Quad Flat Pack)  

### **Features:**  
- True dual-port memory with independent access  
- Fully synchronous operation on both ports  
- Byte-wide data buses (8-bit)  
- On-chip arbitration for simultaneous access to the same memory location  
- Interrupt flag for port-to-port communication  
- Automatic power-down for reduced standby current  
- Industrial temperature range (-40°C to +85°C)  

This device is designed for high-performance applications requiring fast, simultaneous read/write operations, such as networking, telecommunications, and data buffering.

Application Scenarios & Design Considerations

3.3 VOLT TIME SLOT INTERCHANGE DIGITAL SWITCH 128 x 128

Alternative Part Number

  • CY7C4255V-15AXC --: Cypress synchronous FIFO in the same density and speed class, widely used as a drop-in alternative to IDT 72V-series FIFOs with compatible pinout and timing.
  • SN74ACT7808-40PAG --: TI ACT-series FIFO offering similar depth and asynchronous/synchronous operation, suitable replacement when IDT parts are unavailable.
  • 72V8981DB --: Renesas acquired IDT's FIFO product line and continues to supply the same 72V8981 device under its own brand, ensuring identical form, fit and function.

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