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DP8421ATV-25 from NSC,National Semiconductor

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DP8421ATV-25

Manufacturer: NSC

microCMOS Programmable 1M Dynamic RAM Controller/Driver(s)

Partnumber Manufacturer Quantity Availability
DP8421ATV-25,DP8421ATV25 NSC 730 In Stock

Description and Introduction

microCMOS Programmable 1M Dynamic RAM Controller/Driver(s) The DP8421ATV-25 is a microprocessor peripheral manufactured by National Semiconductor Corporation (NSC). It is a 16-bit parallel input/output (I/O) port expander designed for use with microprocessors. Key specifications include:

- **Manufacturer**: National Semiconductor Corporation (NSC)  
- **Part Number**: DP8421ATV-25  
- **Type**: 16-bit parallel I/O port expander  
- **Speed**: 25 ns access time  
- **Voltage Supply**: 5V  
- **Operating Temperature Range**: Commercial (0°C to +70°C) or Industrial (-40°C to +85°C), depending on variant  
- **Package**: Likely a surface-mount or through-hole package (exact package type not specified in Ic-phoenix technical data files)  

This device is used to expand the I/O capabilities of microprocessors in embedded systems.

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