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IDT7204L35J from IDT

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IDT7204L35J

Manufacturer: IDT

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

Partnumber Manufacturer Quantity Availability
IDT7204L35J IDT 5958 In Stock

Description and Introduction

CMOS ASYNCHRONOUS FIFO 2048 x 9, 4096 x 9, 8192 x 9 and 16384 x 9 The **IDT7204L35J** is a high-speed, low-power asynchronous FIFO (First-In, First-Out) memory device manufactured by **Integrated Device Technology (IDT)**. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Organization:** 4,096 x 9 bits (4K x 9)  
- **Operating Voltage:** 5V ±10%  
- **Speed Grade:** 35 ns (access time)  
- **Operating Temperature Range:** 0°C to +70°C (commercial grade)  
- **Package:** 32-pin PLCC (Plastic Leaded Chip Carrier)  
- **Power Consumption:** Low-power CMOS technology  

### **Descriptions:**
- The **IDT7204L35J** is a **4K x 9-bit** asynchronous FIFO memory designed for high-speed data buffering applications.  
- It features **independent read and write clocks**, allowing for asynchronous operation.  
- Includes **full and empty flags** to prevent overflow and underflow conditions.  
- Supports **retransmit capability**, enabling data to be read multiple times.  
- **9-bit wide data path** (with parity or control bit support).  

### **Features:**
- **High-Speed Operation:** 35 ns access time.  
- **Low Power Consumption:** CMOS technology ensures efficient power usage.  
- **Asynchronous Read/Write:** Independent clock inputs for read and write operations.  
- **Flag Indicators:**  
  - **Full Flag (FF)** – Indicates when the FIFO is full.  
  - **Empty Flag (EF)** – Indicates when the FIFO is empty.  
  - **Half-Full Flag (HF)** – Optional midpoint indicator.  
- **Retransmit Function:** Allows re-reading of data without rewriting.  
- **Expandable Depth:** Can be cascaded for deeper FIFO configurations.  
- **Industrial Standard Pinout:** Compatible with other FIFO devices.  

This FIFO is commonly used in **data communication, networking, and digital signal processing** applications where buffering between asynchronous systems 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

  • CY7C429-35JC --: Pin-compatible asynchronous FIFO with similar 4K x 9 organization and 35 ns speed grade, widely available from a different vendor series.
  • SN74ACT7804-35FN --: Comparable 4K x 9 FIFO memory with 35 ns access time in a PLCC package, offering a distinct TI naming series as a functional substitute.
  • IDT7205L35J --: Same IDT 7200-family FIFO with identical 35 ns timing and pinout but a different density variant, usable when slight capacity differences are acceptable.
  • 72V04L35J --: Equivalent 4K x 9 asynchronous FIFO in a PLCC package with 35 ns speed, offering similar functionality and timing characteristics.
  • CY7C4291V-25JXC --: Pin-compatible asynchronous FIFO from Cypress with similar 4K x 9 organization and 25 ns speed grade, a well-established second source for IDT7204-series FIFOs.
  • SN74ACT7804-25PN --: TI asynchronous FIFO with comparable 4K x 9 depth and 25 ns access time, suitable as a functional replacement in buffering applications.
  • 72V04L25J --: Renesas 4K x 9 asynchronous FIFO with 25 ns speed, same family lineage as the original IDT part and drop-in compatible in most designs.

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