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IDT7205L20J from IDT

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IDT7205L20J

Manufacturer: IDT

CMOS ASYNCHRONOUS FIFO 2048 x 9, 4096 x 9, 8192 x 9 and 16384 x 9

Partnumber Manufacturer Quantity Availability
IDT7205L20J IDT 5380 In Stock

Description and Introduction

CMOS ASYNCHRONOUS FIFO 2048 x 9, 4096 x 9, 8192 x 9 and 16384 x 9 The IDT7205L20J is a high-speed, low-power 16,384-bit (16K x 9-bit) asynchronous FIFO memory manufactured by Integrated Device Technology (IDT). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Organization:** 16K x 9-bit  
- **Operating Voltage:** 5V ±10%  
- **Access Time:** 20 ns (L20 speed grade)  
- **Operating Temperature Range:** Commercial (0°C to +70°C)  
- **Package:** 32-pin PLCC (Plastic Leaded Chip Carrier)  
- **Power Consumption:** Low power CMOS technology  
- **Data Retention:** Non-volatile (retains data without power)  

### **Descriptions:**
- The IDT7205L20J is a First-In, First-Out (FIFO) memory buffer designed for high-speed data buffering applications.  
- It features independent read and write clocks, allowing asynchronous operation.  
- The 9-bit width includes a parity bit for error checking.  
- Suitable for applications requiring temporary storage between mismatched data rates, such as communications, networking, and data acquisition systems.  

### **Features:**
- **Asynchronous FIFO operation** (read and write clocks are independent).  
- **Programmable Almost Full/Almost Empty flags** for flow control.  
- **Expandable depth and width** by cascading multiple FIFOs.  
- **High-speed operation** with 20 ns access time.  
- **Low standby power consumption** in CMOS technology.  
- **Retransmit capability** for re-reading data.  
- **Industrial-standard pinout** for compatibility with other FIFOs.  

This FIFO is commonly used in digital systems where data rate matching, buffering, or temporary storage is required.

Application Scenarios & Design Considerations

CMOS ASYNCHRONOUS FIFO 2048 x 9, 4096 x 9, 8192 x 9 and 16384 x 9

Alternative Part Number

  • CY7C4255-20JC --: Cypress CY7C4255 is a pin-compatible asynchronous FIFO with similar 8K x 9 organization and 20 ns speed, widely used as a drop-in replacement for IDT7205 series.
  • SN74ACT7805-20PN --: TI SN74ACT7805 is an asynchronous FIFO with comparable depth, width and 20 ns access time, suitable as a functional alternative in the same PLCC package.
  • 72V05L20J --: Renesas 72V05L20J is a direct functional equivalent FIFO from the 72V series with matching 20 ns speed grade and PLCC footprint.

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