CAT25010YI-GT3

Product Overview

The CAT25010YI-GT3 from onsemi is an 8-TSSOP EEPROM memory IC with 1Kbit of non-volatile storage organized as 128 x 8. It uses a 20MHz SPI serial interface and operates from 1.8V to 5.5V, making it suitable for embedded systems that need a small memory device for data records. The package is surface mount with a 4.40mm body width, and the device is specified for an ambient operating temperature range of -40°C to 85°C. The write cycle time is 5ms for word or page operations.

Key Features

• 1Kbit EEPROM memory organized as 128 x 8
• Non-volatile memory format for retaining data without power
• 20MHz SPI serial interface for connection to microcontrollers or host processors
• Supply voltage range of 1.8V to 5.5V
• 5ms word or page write cycle time
• 8-TSSOP surface-mount package with 4.40mm width
• Operating temperature range of -40°C to 85°C (TA)

Applications

• Storing small non-volatile configuration parameters in embedded control boards
• Retaining calibration coefficients or factory settings in measurement modules
• Holding device identity, serial number, or revision data in equipment
• Preserving user-adjustable settings in systems with an SPI host interface

Design & Procurement Notes

When selecting this device, confirm that the host controller supports SPI signaling and that the available supply voltage remains within 1.8V to 5.5V. The 1Kbit capacity and 128 x 8 organization are appropriate for very small data sets rather than bulk storage, so the memory map should be planned around byte-addressed records. The 5ms write cycle time should be considered in firmware that updates configuration data, especially when multiple words or pages are written sequentially. The 8-TSSOP footprint requires surface-mount assembly and adequate land-pattern space, while the specified temperature range should be checked against the intended board environment. The 20MHz SPI interface should be validated against the host timing budget and board signal-integrity conditions.