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Same model may have multiple batches, images only for reference.
UPD1990AC NEC
Same model may have multiple batches, images only for reference.

UPD1990AC

Part No UPD1990AC
Manufacturer NEC
Catalog HOT - SALES and EOL Components (U - Z)
Description SERIAL I/O CALENDAR & CLOCK CMOS LSI
Sample
Rohs State Need to verify
ECAD Module
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Products specifications Report Issue?

Manufacturer NEC
Win Source Part Number 391642-UPD1990AC
Popularity Medium
Supply and Demand Status Limited
Ultra Librarian 3D Model Ultra Librarian UPD1990AC CAD Model

Description

The NEC UPD1990AC is a medium popularity electronic component manufactured by NEC. This component is ideal for applications that require high-precision time-keeping and clock generation.

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