11LC160-I/P

Overview

The Microchip Technology 11LC160-I/P is a 16 Kbit (2,048 x 8) serial electrically erasable PROM utilizing the UNI/O single I/O interface. It operates within a supply voltage range of 2.5 V to 5.5 V and supports a maximum bus frequency of 100 kHz. The device features a 16-byte page-write buffer and self-timed write cycles. It is housed in an 8-lead PDIP package and rated for industrial temperatures from -40°C to +85°C.

Feature Summary

• Supports the patented UNI/O single I/O serial bus protocol using Manchester encoding on the SCIO pin.
• Includes built-in block write protection allowing configuration to protect none, one-quarter, one-half, or all of the memory array.
• Features power-on/off data protection circuitry and a write enable latch to prevent accidental writes.
• Provides high reliability with specified endurance of one million erase/write cycles and data retention exceeding two hundred years.

Applications

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

Procurement Notes

Verify that the ordering suffix 'I' corresponds to the Industrial temperature range (-40°C to +85°C) and 'P' indicates the PDIP package. Confirm the specific density matches the 16Kbit requirement. Ensure the design accommodates the single I/O UNI/O interface requirements rather than standard SPI or I2C protocols.

Selection Notes

Select this component when a single-pin serial interface is required to minimize PCB trace count. It is suitable for applications needing moderate data retention and high endurance. Compare against the 11AA160 variant if operation below 2.5V is necessary, as the 11LC series requires a minimum of 2.5V.

Part Context

This part belongs to the 11XX family of Serial Electrically Erasable PROMs from Microchip Technology. The family includes various densities ranging from 1 Kbit to 16 Kbit. The 11LC series specifically targets applications requiring a 2.5V to 5.5V supply voltage, distinguishing it from the 11AA series which supports lower voltages down to 1.8V.

Replacement Considerations

The 11AA160-I/P is a compatible alternative within the same family, offering identical functionality but supporting a wider voltage range starting at 1.8V. Other 11LC160 variants with different packages such as SOIC (SN) or MSOP (MS) are functionally equivalent.