PCA8581P/F6Manufacturer: PHI, NXP PCA8581;PCA8581C; 128 x 8-bit EEPROM with I²C-bus interface |
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| Partnumber | Manufacturer | Quantity | Availability |
|---|---|---|---|
| PCA8581P/F6,PCA8581PF6 | PHI, NXP | 2647 | In Stock |
Description and Introduction
PCA8581;PCA8581C; 128 x 8-bit EEPROM with I²C-bus interface The **PCA8581P/F6** from Philips is a versatile **I²C-bus compatible** CMOS integrated circuit designed for real-time clock (RTC) and memory applications. This low-power device integrates a **32 x 8-bit static RAM**, a **clock/calendar**, and an **alarm function**, making it suitable for timekeeping and data storage in embedded systems.  
Operating with a supply voltage ranging from **2.5V to 6V**, the PCA8581P/F6 ensures reliable performance across various power conditions. Its **I²C interface** allows seamless communication with microcontrollers, facilitating easy integration into digital systems. The built-in **oscillator circuit** supports an external 32.768 kHz quartz crystal for precise timekeeping, while the automatic leap-year correction enhances accuracy.   Key features include **battery backup support**, ensuring uninterrupted operation during power loss, and a programmable alarm function for event-triggered interrupts. The device also offers **software clock calibration** to fine-tune timing accuracy.   With its compact **DIP-8 package**, the PCA8581P/F6 is well-suited for industrial, automotive, and consumer electronics applications requiring reliable timekeeping and non-volatile memory. Its low standby current consumption further enhances its appeal for power-sensitive designs.   Philips' PCA8581P/F6 remains a dependable choice for engineers seeking a robust, feature-rich RTC and memory solution. |
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Application Scenarios & Design Considerations
PCA8581;PCA8581C; 128 x 8-bit EEPROM with I²C-bus interface
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