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CY7C421-20VC from CYPRESS

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CY7C421-20VC

Manufacturer: CYPRESS

256/512/1K/2K/4K x 9 Asynchronous FIFO

Partnumber Manufacturer Quantity Availability
CY7C421-20VC,CY7C42120VC CYPRESS 210 In Stock

Description and Introduction

256/512/1K/2K/4K x 9 Asynchronous FIFO The CY7C421-20VC is a high-speed, low-power 4K x 9 FIFO memory device manufactured by Cypress Semiconductor. Key specifications include:

- **Organization**: 4K x 9 (4,096 words x 9 bits)  
- **Speed**: 20 ns access time (20VC suffix indicates 20 ns cycle time)  
- **Operating Voltage**: 5V ±10%  
- **Power Consumption**: Low-power CMOS technology  
- **I/O Interface**: Asynchronous FIFO with 9-bit wide data bus  
- **Operating Temperature Range**: Commercial (0°C to +70°C)  
- **Package**: 28-pin PLCC (Plastic Leaded Chip Carrier)  
- **Features**:  
  - Retransmit capability  
  - Programmable Almost Full/Almost Empty flags  
  - Output Enable (OE) pin for three-state outputs  
  - Master Reset (MR) for initialization  

This device is commonly used in buffering and data rate matching applications.

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