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IDT72V211L20PF

Manufacturer: IDT

3.3 VOLT CMOS SyncFIFO? 256 x 9, 512 x 9, 1,024 x 9, 2,048 x 9, 4,096 x 9 and 8,192 x 9

Partnumber Manufacturer Quantity Availability
IDT72V211L20PF IDT 148 In Stock

Description and Introduction

3.3 VOLT CMOS SyncFIFO? 256 x 9, 512 x 9, 1,024 x 9, 2,048 x 9, 4,096 x 9 and 8,192 x 9 The IDT72V211L20PF is a high-speed 3.3V CMOS synchronous FIFO memory device manufactured by Integrated Device Technology (IDT). Below are the key specifications, descriptions, and features:

### **Specifications:**
- **Density:** 64K x 18 bits (1,179,648 bits)  
- **Organization:** 65,536 words × 18 bits  
- **Operating Voltage:** 3.3V ± 0.3V  
- **Speed Grade:** 20 ns (50 MHz)  
- **I/O Type:** 5V-tolerant inputs and outputs  
- **Operating Temperature Range:** Commercial (0°C to +70°C)  
- **Package:** 100-pin TQFP (Thin Quad Flat Pack)  

### **Descriptions:**
- The IDT72V211L20PF is a synchronous FIFO (First-In, First-Out) memory designed for high-speed data buffering applications.  
- It features simultaneous read and write operations with independent clocks.  
- The device supports programmable Almost Full/Almost Empty flags for flow control.  
- It includes a Retransmit function for data recovery.  

### **Features:**
- **Synchronous Operation:** Independent read and write clocks.  
- **Programmable Flags:** Almost Full (AF), Almost Empty (AE), Half-Full (HF).  
- **Retransmit Capability:** Allows re-reading of data from the beginning of the FIFO.  
- **5V-Tolerant I/Os:** Compatible with 5V logic levels.  
- **Low Power Consumption:** CMOS technology for reduced power usage.  
- **Master Reset (MR):** Clears the FIFO pointers and flags.  
- **Partial Reset (PR):** Resets only the read or write pointer.  
- **First Word Fall-Through (FWFT) Mode:** Enables direct data access without read latency.  

This FIFO is commonly used in networking, telecommunications, and high-speed data acquisition systems.  

Would you like additional details on any specific aspect?

Application Scenarios & Design Considerations

3.3 VOLT CMOS SyncFIFO? 256 x 9, 512 x 9, 1,024 x 9, 2,048 x 9, 4,096 x 9 and 8,192 x 9

Alternative Part Number

  • CY7C4255V-25AXC --: Pin-compatible synchronous FIFO from a different vendor family, offering similar 20-25 ns speed and 5V/3.3V operation for drop-in replacement in many designs.
  • SN74ACT7808-25PN --: Alternative FIFO memory with comparable depth and speed grade from TI's ACT family, suitable when the IDT part is unavailable and minor timing adjustments are acceptable.
  • 72V211L20PFG --: Renesas (formerly IDT) continues the 72V211L series; this variant matches the original function and speed while providing a current-production source.
  • CY7C4255V-20AC --: Cypress FIFO in the same 2Kx9 density and 20 ns speed class, pin-compatible with the IDT 72V211L in many designs and widely available as a second source.
  • SN74ACT7805-20PN --: TI 2Kx9 asynchronous FIFO with comparable 20 ns access time and similar control interface, suitable as a functional replacement after timing review.
  • IDT7205L20PF --: IDT 7205 series 8Kx9 FIFO from a different product family with similar architecture and supply voltage, usable when deeper buffering is acceptable.

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