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N21C21A - 1-Kb 1-Wire EPROM

Description

The N21C21A is a 1K bit serial EPROM containing a factory programmed, unique 48 bit identification number, 8 bit CRC generation, and the 8

bit family code (09h).

bit status register controls write protection and page redirection.

Features

  • 1024 Bits of One.
  • Time Programmable (OTP) EPROM For Storage Of User.
  • Programmable Configuration Data.
  • Factory.
  • Programmed Unique 64.
  • Bit Identification Number.
  • Single.
  • Wire Interface to Reduce Circuit Board Routing.
  • Synchronous Communication Reduces Host Interrupt Overhead.
  • No Standby Power Required.
  • 8 byte RAM Buffer (Scratch Pad).
  • Available in a 3.
  • Pin SOT.
  • 23.
  • This is a Pb.

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Datasheet preview – N21C21A

Datasheet Details

Part number N21C21A
Manufacturer onsemi
File Size 392.61 KB
Description 1-Kb 1-Wire EPROM
Datasheet download datasheet N21C21A Datasheet
Additional preview pages of the N21C21A datasheet.

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    1 Kb 1-Wire EPROM Add-Only Memory N21C21A Description The N21C21A is a 1K−bit serial EPROM containing a factory− programmed, unique 48−bit identification number, 8−bit CRC generation, and the 8−bit family code (09h). A 64−bit status register controls write protection and page redirection. The N21C21A 1−wire interface requires only a single connection and a ground return. The DATA pin is also the sole power source for the N21C21A. The small surface−mount package options saves printed−circuit− board space, while the low cost makes it ideal for applications such as battery pack configuration parameters, record maintenance, asset tracking, product−revision status, and access−code security.
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