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PCF8570P from PHI,Philips

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PCF8570P

Manufacturer: PHI, PHILIPS

256 x 8-bit static low-voltage RAM with I2C-bus interface

Partnumber Manufacturer Quantity Availability
PCF8570P PHI, PHILIPS 1963 In Stock

Description and Introduction

256 x 8-bit static low-voltage RAM with I2C-bus interface # Introduction to the PCF8570P Electronic Component  

The PCF8570P is a low-power CMOS static RAM (SRAM) with an I²C-bus interface, designed for applications requiring non-volatile memory with byte-wide storage. This 256 x 8-bit memory IC is well-suited for systems where minimal power consumption and simple interfacing are essential.  

Operating at a supply voltage range of 2.5V to 6V, the PCF8570P is ideal for battery-powered devices, embedded systems, and microcontroller-based applications. Its I²C serial interface allows easy integration with microcontrollers, reducing the need for extensive wiring and simplifying PCB design.  

Key features include automatic power-down when inactive, ensuring energy efficiency, and a built-in write-protect function to prevent accidental data corruption. The device supports standard (100 kHz) and fast (400 kHz) I²C modes, providing flexibility in communication speed.  

Common applications include data logging, parameter storage, and temporary memory buffering in industrial, automotive, and consumer electronics. Its compact DIP or SO package options make it suitable for space-constrained designs.  

The PCF8570P offers a reliable, cost-effective solution for low-density memory needs while maintaining compatibility with I²C-based systems. Its balance of performance, power efficiency, and ease of use makes it a practical choice for engineers designing modern electronic systems.

Application Scenarios & Design Considerations

256 x 8-bit static low-voltage RAM with I2C-bus interface

Alternative Part Number

  • M24C02-WBN6P --: 2Kbit I2C serial EEPROM in DIP-8, functionally similar to the PCF8570 256-byte I2C RAM and widely available.
  • AT24C02C-PU --: 2Kbit I2C EEPROM in DIP-8 package, pin-compatible I2C interface and a common drop-in substitute for small I2C memory devices.
  • CAT24C02LI-G --: 2Kbit I2C CMOS EEPROM in DIP-8, offers equivalent I2C memory function with good availability as an alternative to the PCF8570.
  • CAT24C02LI --: 2Kbit I2C serial EEPROM in DIP-8, pin-compatible I2C memory alternative with similar addressing and voltage characteristics.

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