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IDT72V81L20PA from IDT

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IDT72V81L20PA

Manufacturer: IDT

3.3 Volt CMOS DUAL ASYNCHRONOUS FIFO DUAL 512 x 9, DUAL 1,024 x 9 DUAL 2,048 x 9, DUAL 4,096 X 9

Partnumber Manufacturer Quantity Availability
IDT72V81L20PA IDT 38 In Stock

Description and Introduction

3.3 Volt CMOS DUAL ASYNCHRONOUS FIFO DUAL 512 x 9, DUAL 1,024 x 9 DUAL 2,048 x 9, DUAL 4,096 X 9 The IDT72V81L20PA is a high-speed, low-power 3.3V CMOS First-In, First-Out (FIFO) memory device manufactured by Integrated Device Technology (IDT).  

### **Key Specifications:**  
- **Organization:** 512 x 18  
- **Speed:** 20 ns access time  
- **Operating Voltage:** 3.3V ±10%  
- **Power Consumption:** Low power CMOS technology  
- **Operating Temperature Range:** Commercial (0°C to +70°C) or Industrial (-40°C to +85°C)  
- **Package:** 64-pin TQFP (Thin Quad Flat Pack)  

### **Descriptions and Features:**  
- **High-Speed Operation:** Supports 50 MHz read/write cycles.  
- **Asynchronous FIFO:** Independent read and write clocks.  
- **Programmable Flags:** Includes Almost Full (AF), Almost Empty (AE), Full (FF), and Empty (EF) flags.  
- **Retransmit Function:** Allows re-reading of data from the beginning of the FIFO.  
- **Bypass Mode:** Enables direct data transfer from input to output.  
- **Low Standby Power:** Ideal for power-sensitive applications.  
- **Industrial-Grade Options:** Available for extended temperature range applications.  

This FIFO is commonly used in data buffering, networking, and telecommunications applications.  

(Note: Always refer to the official datasheet for detailed specifications.)

Application Scenarios & Design Considerations

3.3 Volt CMOS DUAL ASYNCHRONOUS FIFO DUAL 512 x 9, DUAL 1,024 x 9 DUAL 2,048 x 9, DUAL 4,096 X 9

Alternative Part Number

  • CY7C4255V-25AXC --: Cypress FIFO in the same 4K x 18 synchronous FIFO class with comparable 20-25 ns speed grade and 3.3V operation, widely used as a drop-in functional replacement for IDT 72V81 series.
  • SN74V283-20PQ --: TI synchronous FIFO with similar density and 20 ns access time, pin-compatible family often used to replace IDT 72V81L20PA in buffering applications.
  • 72V81L20PA --: Renesas acquired IDT's FIFO product line and continues to supply the same 72V81L20PA device under the Renesas brand, ensuring identical form, fit and function.

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