Serial ROM Family

The W551Cxxx series is a serial voice memory IC designed to Interface directly with Winbond PowerSpeech , BandDirector , and ViewTalk family ICs to meet the increasing market demand for longer playback duration. The W551Cxxx uses the same three-pin serial Interface that Winbond serial Flash memory W55Fxx uses, which makes it easier to simulate and verify the memory contents in advance. In addition, the W551Cxxx also provides a "Self-test mode" to verify the voice memory contents easily and quickly, and some members of the W551Cxxx series allow W551Cxxx chips to be cascaded to further lengthen playback duration.W551Cxxx Serial Voice Memory is used to store pre-determined data. The following table shows the part numbers in the W551Cxxx series and their respective memory density.
By Winbond Electronics Corp America
W551C002 's PackagesW551C002 's pdf datasheet



W551C002 Pinout will be updated soon..., now you can download the pdf datasheet to check the pinouts !
W551C002 circuits will be updated soon..., now you can download the pdf datasheet to check the circuits!

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