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DS2502-E48+

EPROM, One Time Programmable, 1K x 1bit, 1 Kbit, 2.8 V to 6 V, TO-92-3

MAXIM INTEGRATED PRODUCTS DS2502-E48+
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Manufacturer Part No:
DS2502-E48+
Order Code:
2514523
Technical Datasheet:
DS2502-E48+   Datasheet
See all Technical Docs

Product Overview

The DS2502-E48+ is a 48bit node address chip in 3 pin to 92 package. The add-only 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. It is a variant of the DS2502 1024bit add-only memory. It differs from the standard DS2502 in its custom ROM family code 89h and the UniqueWare identifier 5E7h in place of the upper 12 bits of the standard ROM serialization field. 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.
  • Reads at 2.8V to 6V from -40°C to +85°C and programs at 11.5V to 12V from -40°C to + 50°C
  • Factory programmed 48bit node address chip with 768 bits user programmable OTP EPROM
  • Provides valid MAC-48/EUI-48 Ethernet address
  • Unique, factory lasered and tested 64bit registration number assures absolute traceability
  • Built-in multidrop controller ensures compatibility with other 1-wire products
  • Add only memory where additional data can be programmed into EPROM without disturbing existing data
  • Reduces control, address, data, power and programming signals to a single pin
  • Directly connects to a single port pin of a microprocessor and communicates at up to 16.3Kbps
  • Presence detector acknowledges when reader first applies voltage
  • Presence detector acknowledges when reader first applies voltage

Applications

Embedded Design & Development

Warnings

Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

Product Information

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:
1Kbit

:
1K x 1bit

:
3Pins

:
TO-92

:
2.8V

:
6V

:
-40°C

:
85°C

:
-

:
-

:
MSL 1 - Unlimited
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Technical Docs (2)

CAD Downloads

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Terms and Conditions

CAD Models - Notice
CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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