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NM25C020 - 2K-Bit Serial CMOS EEPROM (Serial Peripheral Interface (SPI) Synchronous Bus)

Description

The NM25C020 is a 2048-bit CMOS EEPROM with an SPI compatible serial interface.

The NM25C020 is designed for data storage in applications requiring both non-volatile memory and insystem data updates.

Features

  • s 2.1 MHz clock rate @ 2.7V to 5.5V s 2048 bits organized as 256 x 8 s Multiple chips on the same 3-wire bus with separate chip select lines s Self-timed programming cycle s Simultaneous programming of 1 to 4 bytes at a time s Status register can be polled during programming to monitor READY/BUSY s Write Protect (WP) pin and write disable instruction for both hardware and software write protection s Block write protect feature to protect against accidental writes s Endurance: 1,000,000 data chan.

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Datasheet Details

Part number NM25C020
Manufacturer Fairchild (onsemi)
File Size 108.04 KB
Description 2K-Bit Serial CMOS EEPROM (Serial Peripheral Interface (SPI) Synchronous Bus)
Datasheet download datasheet NM25C020 Datasheet

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Full PDF Text Transcription

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NM25C020 2K-Bit Serial CMOS EEPROM (Serial Periphrial Interface (SPI) Synchronous Bus) March 1999 NM25C020 2K-Bit Serial CMOS EEPROM (Serial Peripheral Interface (SPI) Synchronous Bus) General Description The NM25C020 is a 2048-bit CMOS EEPROM with an SPI compatible serial interface. The NM25C020 is designed for data storage in applications requiring both non-volatile memory and insystem data updates. This EEPROM is well suited for applications using the 68HC11 series of microcontrollers that support the SPI interface for high speed communication with peripheral devices via a serial bus to reduce pin count. The NM25C020 is implemented in Fairchild Semiconductor’s floating gate CMOS process that provides superior endurance and data retention.
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