DS1249Y-85#

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The DS1249Y-85# Memory is a single-chip, 8K bit non-volatile RAM with a battery-backed CMOS memory cell array. The memory cell array is electrically organized as 1K x 8 bits and has a standby current of about 5 mA when its lithium backup cell is installed. This device provides a low-cost, low-power alternative for storage of important data for short to moderate length time period when the power is down.

The DS1249Y-85# Memory has a wide range of applications. It is ideal for portable or desktop computers, portable medical equipment, hand-held data loggers, communication systems, and other electronic products which must store data without losing it when the power is down. It can also be used to store sensitive security and financial information in a secure manner. Additionally, it can be used in embedded systems to store frequently accessed data, thereby eliminating the need to frequently re-request the data.

In terms of its working principle, the DS1249Y-85# Memory generally consists of two main components: the non-volatile memory cell array, which stores data without being erased when the power is down, and the lithium battery-backed CMOS circuit that maintains the cell array in the non-volatile state. The battery-backed CMOS circuit essentially refreshes the memory cell array with data from the external pins every 8 seconds or so. This ensures that the non-volatile RAM stays in its non-volatile state.

In terms of its features, the DS1249Y-85# Memory has a wide range of features designed to provide reliable non-volatile RAM storage. These features include a low battery detect indicator, 160 ms write/erase cycle time, temperature compensation circuitry for improved data retention, a reliable write-error indicator, automatic self-testing capability, and a power-on reset with both detect and enable feature. It also has a low power-on reset threshold,so that it is able to detect power failures. Additionally,the DS1249Y-85# Memory is RoHS compliant and available in a variety of common packages.

Overall, the DS1249Y-85# Memory is a reliable and versatile non-volatile RAM that can be used in a variety of applications. Its wide range of features ensures that it is able to meet the needs of many different applications demands, while its battery-backed CMOS technology ensures that data stored in the memory is retained even when the power is down. Its wide range of features and applications make it an ideal choice for those looking for a convenient and reliable non-volatile RAM solution.

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