DS2505 16-kbit Add-Only Memory

The DS2505 16-kbit AddOnly Memory identifies and stores relevant information about the product to which it is associated. This lot or product specific information CAN be accessed with minimal Interface for example a single port pin of a Microcontroller The DS2505 consists of a factory-lasered registration number that includes a unique 48-bit serial number, an 8-bit CRC, and an 8-bit Family Code (0BH) plus 16 kbits of user-programmable EPROM The power to program and read the DS2505 is derived entirely from the 1-Wire Communication line. Data is transferred serially via the 1-Wire protocol which requires only a single data lead and a ground return. The entire device CAN be programmed and then write-protected if desired. Alternatively, the part may be programmed multiple times with new data being appended to, but not overwriting, existing data with each subsequent programming of the device. Note: Individual bits CAN be changed only from a logical 1 to a logical 0, never from a logical 0 to a logical 1. A provision is also included for indicating that a certain page or pages of data are no longer valid and have been replaced with new or updated data that is now residing at an alternate page address. This page address redirection allows software to patch data and enhance the flexibility of the device as a standalone database. The 48-bit serial number that is factory-lasered into each DS2505 provides a guaranteed-unique identity which allows for absolute traceability. The TO-92 and TSOC packages provide a compact enclosure that allows standard assembly equipment to handle the device easily for attachment to printed circuit boards or wiring. Typical applications include storage of calibration constants, maintenance records, asset tracking, product revision status and access codes.
By Maxim Integrated Products
DS2505 's PackagesDS2505 's pdf datasheet
DS2505-T-R TO92
DS2505T-R TO92

DS2505 Pinout, Pinouts
DS2505 pinout,Pin out
This is one package pinout of DS2505,If you need more pinouts please download DS2505's pdf datasheet.

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