AT25128B-SSHL-T

Memory IC Overview

The AT25128B-SSHL-T is a 128-kbit (16,384 x 8) serial electrically erasable programmable read-only memory manufactured by Microchip Technology. It utilizes a 3-wire SPI interface with a maximum clock frequency of 20 MHz and an access time of 80 ns. The device operates within a supply voltage range of 1.8 V to 5.5 V and is housed in an SOIC-Narrow-8 package. It supports surface mount installation and functions across a temperature range of -40°C to +85°C, ensuring data retention for up to 100 years.

Memory IC Feature Summary

• Supports high-speed serial communication via a 3-wire SPI interface with a maximum clock frequency of 20 MHz.
• Provides non-volatile storage with a data retention capability of up to 100 years.
• Operates reliably across a wide industrial temperature range from -40°C to +85°C.

Memory IC Applications

• Data logging systems requiring long-term non-volatile storage
• Configuration parameter storage in embedded controllers
• Calibration data retention in sensor modules

Memory IC Procurement Notes

Verify the specific suffix 'T' indicates tape and reel packaging when ordering. Confirm the 'SSHL' designation corresponds to the SOIC-Narrow-8 package variant. Ensure the voltage rating matches the system requirements, as the device supports a wide range from 1.8 V to 5.5 V. Check for RoHS compliance status if required by assembly standards.

Memory IC Selection Notes

Select this component for applications requiring small form factor storage with SPI compatibility. The 128-kbit capacity is suitable for moderate data retention needs. Consider the 80 ns access time for timing constraints. The wide voltage range allows flexibility in power supply design without level shifting.

Memory IC Part Context

This part belongs to the AT25x series of serial EEPROMs from Microchip Technology. These devices are designed for low-power, high-reliability data storage applications. The series offers various densities and package options to suit different board space and memory requirements.

Memory IC Replacement Considerations

Compatible substitutes include other parts from the AT25128B family with identical pinouts and specifications, such as AT25128B-SSHL-B or AT25128B-MAHL-T, provided the package type and voltage ranges match the design requirements.