25AA160D-I/P

Memory IC Overview

The Microchip Technology 25AA160D-I/P is a 16 Kbit Serial Electrically Erasable PROM featuring a 2048 x 8-bit organization and 32-byte page size. It operates via an SPI-compatible serial bus with a maximum clock frequency of 10 MHz. The device supports a supply voltage range of 1.8V to 5.5V and functions within an industrial temperature range of -40°C to +85°C. Packaged in an 8-lead PDIP, it offers high reliability with over 1 million erase/write cycles and data retention exceeding 200 years.

Memory IC Feature Summary

• Supports block write protection allowing selection of none, one-quarter, one-half, or all array segments.
• Includes built-in power-on/off data protection circuitry and a write enable latch for secure operations.
• Features a hold pin that suspends transmission during serial sequences without resetting the sequence.

Memory IC Applications

• Microcontroller system data storage
• Configuration parameter storage
• Calibration data retention

Memory IC Procurement Notes

Verify the specific suffix 'I' indicates the Industrial temperature grade (-40°C to +85°C) and '/P' denotes the PDIP package. Confirm RoHS compliance status as per the latest datasheet revision. Ensure the application design accommodates the 32-byte page write limitation where writes crossing page boundaries wrap around.

Memory IC Selection Notes

Select this component when an SPI interface is required for non-volatile storage in industrial environments. The 1.8V minimum operating voltage makes it suitable for low-power systems compared to 2.5V variants. Consider the PDIP package only if through-hole mounting is necessary, as surface-mount options like MSOP are available for higher density designs.

Memory IC Part Context

This part belongs to the 25AA160C/D family of 16 Kbit Serial EEPROMs from Microchip Technology. The 'D' variant specifically provides a 32-byte page size, distinguishing it from the 'C' version which uses a 16-byte page. It shares functional similarities with the 25LC160 series but differs in its lower minimum operating voltage specification.

Memory IC Replacement Considerations

The 25AA160C-I/P is a compatible alternative within the same family, differing primarily in page size (16 bytes vs. 32 bytes). Designers must verify software compatibility regarding page write boundary handling when substituting between C and D variants.