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16.602ms

CY7C421-25VC

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

Partnumber Manufacturer Quantity Availability
CY7C421-25VC,CY7C42125VC 7 In Stock

Description and Introduction

256/512/1K/2K/4K x 9 Asynchronous FIFO The CY7C421-25VC is a high-speed CMOS FIFO (First-In, First-Out) memory device manufactured by Cypress Semiconductor. Below are its key specifications:

1. **Memory Size**: 4,096 x 9 bits (4K x 9).
2. **Speed**: 25 ns access time (25VC variant).
3. **Supply Voltage**: 5V ±10%.
4. **Operating Temperature Range**: Commercial (0°C to +70°C).
5. **Package**: 32-pin PLCC (Plastic Leaded Chip Carrier).
6. **I/O Interface**: Asynchronous, with independent read and write clocks.
7. **Features**:  
   - Programmable Almost Full/Almost Empty flags.  
   - Retransmit capability.  
   - Supports FWFT (First Word Fall Through) mode.  
   - Low power consumption (typically 150 mW active power).  
8. **Applications**: Data buffering, rate matching, and bridging between asynchronous systems.  

For exact details, refer to the official Cypress datasheet.

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