CAT24C32C4CTR

Product Overview

The CAT24C32C4CTR from Fairchild Semiconductor is a 32Kbit non-volatile EEPROM memory IC arranged as 4K x 8 and accessed through an I2C serial interface. The device supports a 1 MHz clock frequency, provides a 400 ns access time, and specifies a 5 ms write cycle time for word and page operations. It operates from a 1.7V to 5.5V supply and is rated for an ambient temperature range of -40°C to 85°C. The IC is supplied in a surface-mount 4-XFBGA WLCSP package with a 0.77 mm by 0.77 mm body, for compact board layouts that require serial non-volatile data storage.

Key Features

• 32Kbit non-volatile EEPROM memory with 4K x 8 organization
• I2C serial interface with 1 MHz clock frequency
• 400 ns access time
• 5 ms write cycle time for word and page operations
• 1.7V to 5.5V supply voltage range
• Operating temperature range of -40°C to 85°C (TA)
• Surface-mount 4-XFBGA WLCSP package, 0.77 mm by 0.77 mm

Applications

• Embedded controllers that need to retain configuration settings after power is removed
• Compact modules that store device identification or calibration parameters in a small footprint
• Systems with 1.7V to 5.5V supply rails and an I2C memory bus

Design & Procurement Notes

Designers should verify that the host controller supports I2C communication at up to 1 MHz and that the selected supply voltage is within 1.7V to 5.5V. The 4-WLCSP package requires surface-mount assembly and a footprint matched to the 0.77 mm by 0.77 mm body. The -40°C to 85°C ambient rating should be checked against the system thermal environment. The 5 ms write cycle time and 400 ns access time are relevant to firmware timing, memory access sequencing, and system response requirements. The 32Kbit capacity and 4K x 8 organization should be evaluated against the required data record size and addressing scheme.