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PCA8581T/F6 from PHILIPS

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PCA8581T/F6

Manufacturer: PHILIPS, PHI

PCA8581;PCA8581C; 128 x 8-bit EEPROM with I²C-bus interface

Partnumber Manufacturer Quantity Availability
PCA8581T/F6,PCA8581TF6 PHILIPS, PHI 4900 In Stock

Description and Introduction

PCA8581;PCA8581C; 128 x 8-bit EEPROM with I²C-bus interface The **PCA8581T/F6** from Philips is a versatile **I²C-bus compatible** CMOS integrated circuit designed for low-power, non-volatile memory applications. This component combines a **256-byte EEPROM** with a **real-time clock (RTC)**, making it ideal for systems requiring timekeeping and data storage in a compact package.  

Featuring an **I²C serial interface**, the PCA8581T/F6 ensures seamless communication with microcontrollers and other peripherals. Its **low power consumption** makes it suitable for battery-operated devices, while the integrated **clock/calendar function** provides accurate timekeeping with automatic leap-year correction.  

The EEPROM section supports **byte-wise read/write operations**, enabling efficient data management. Additionally, the device includes an **alarm function** and a **programmable square-wave output**, enhancing its utility in timing-sensitive applications.  

With an operating voltage range of **1.8V to 5.5V**, the PCA8581T/F6 is compatible with a wide variety of systems. Its robust design ensures reliable performance in industrial, automotive, and consumer electronics applications.  

Engineers favor this component for its **integration of memory and RTC functions**, reducing board space and simplifying system design. The PCA8581T/F6 exemplifies Philips' commitment to delivering high-performance, energy-efficient solutions for modern embedded systems.

Application Scenarios & Design Considerations

PCA8581;PCA8581C; 128 x 8-bit EEPROM with I²C-bus interface

Alternative Part Number

  • AT24C01A-10SU-2.7 --: 1Kbit I2C EEPROM in SOIC-8, functionally equivalent to the PCA8581T with compatible I2C interface and similar memory density.
  • 24LC01B-I/SN --: 1Kbit I2C serial EEPROM in SOIC-8 package, widely available drop-in style replacement for small I2C EEPROM applications.
  • CAT24C01WI-GT3 --: 1Kbit I2C EEPROM in SOIC-8, low-power CMOS device suitable as an alternative to the PCA8581T/F6.
  • AT24C01A-10SU-2.7 --: 1Kbit I2C EEPROM in SOIC-8, functionally equivalent to the PCA8581T with compatible I2C interface and 2.7V operation.
  • 24LC01B-I/SN --: 1Kbit I2C serial EEPROM in SOIC-8 package, widely available drop-in style replacement for PCA8581T/F6 with similar pinout and voltage range.
  • M24C01-WMN6TP --: 1Kbit I2C EEPROM in SOIC-8, comparable memory density and interface, suitable alternative when the original Philips part is unavailable.

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