Looking for datasheet of Raycoms RC7221

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wanttoknow

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help

recently,I am designing circuit a brigde of E1 to lan .need the chip of raycom`s rc7221.who can provide the datasheets of rc7221.It will be regards.
 

Re: help

thank you for your favour
I had alreaday seen it .
seemingly,can`t find waht I need.
This time I must cantact papyaki or dujiayou
only so ,can solve my question
 

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