25LC160C-E/ST

Overview

The Microchip Technology 25LC160C-E/ST is a 16 Kbit Serial Electrically Erasable PROM featuring a 2048 x 8-bit organization. It operates via an SPI-compatible serial bus with a maximum clock frequency of 10 MHz at VCC ≥ 4.5V. The device supports a supply voltage range of 2.5V to 5.5V and utilizes a 16-byte page size. It is housed in an 8-lead TSSOP package and rated for an extended industrial temperature range of -40°C to +125°C.

Feature Summary

• Supports high-speed SPI communication with up to 10 MHz clock frequency
• Includes hardware write protection via WP pin and software block protection
• Features built-in power-on/off data protection circuitry
• Provides hold functionality to pause serial sequences without resetting

Applications

• Microcontroller system data storage
• Configuration parameter retention
• Calibration value storage
• Device identification logging

Procurement Notes

Verify the specific suffix 'E' confirms the automotive temperature grade (-40°C to +125°C) and 'ST' indicates the TSSOP-8 package. Confirm RoHS compliance and Pb-free status against current manufacturer documentation. Ensure the source document matches the exact part number to validate electrical characteristics and timing parameters.

Selection Notes

Select this component when an SPI interface is required for non-volatile memory with extended temperature capabilities. The 16K capacity suits applications needing moderate data retention. Verify that the 16-byte page size aligns with write efficiency requirements. Ensure the host controller supports the necessary SPI modes and voltage levels within the 2.5V to 5.5V operating range.

Part Context

This device belongs to the 25LC160C/D family of 16 Kbit Serial EEPROMs from Microchip Technology. The 'C' variant specifies a 16-byte page size, distinguishing it from the 'D' variant which offers a 32-byte page size. The 'E' suffix denotes the extended temperature grade, while 'I' indicates the standard industrial grade.

Replacement Considerations

Direct substitutes include other 25LC160C variants with different packages (e.g., 25LC160C-E/P for PDIP) or temperature grades (e.g., 25LC160C-I/ST). Cross-manufacturer equivalents like the M95160 series may require verification of voltage compatibility and pinout alignment.