4-BIT MICROCONTROLLER

The W742S/E81A W742E81A is electrical erasable EPROM type) is a high-performance 4-bit Microcontroller (C) that built in 160-dot LCD Driver It is one of series in Winbond telephone family that supports CID telephone solution .It is a High-end 4-bit MCU equipped with ROM, RAM, various Timers , one channel DTMF generator. It works under wide Voltage Range and Wide Frequency Range (from 400KHz to 3.58MHz). that is suitable for Caller ID, Message phone , Multi-function phone, FRS, RCC, and consumer related applications
By Winbond Electronics Corp America
W742E81A 's PackagesW742E81A 's pdf datasheet



W742E81A Pinout, Pinouts
W742E81A pinout,Pin out
This is one package pinout of W742E81A,If you need more pinouts please download W742E81A's pdf datasheet.

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