64K-Bit Serial CMOS EEPROM (Serial Peripheral Interface (SPI) Synchronous Bus)

The NM25C640 is a 65,536-bit CMOS EEPROM with an SPI compatible serial Interface The NM25C640 is designed for data storage in applications requiring both non-volatile memory and in- system 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 NM25C640 is imple- mented in Fairchild Semiconductors floating Gate CMOS process that provides superior endurance and data retention. The serial data transmission of this device requires four signal lines to control the device operation: Chip Select (CS), Clock (SCK), Data In (SI), and Serial Data Out (SO). All programming cycles are completely self-timed and do not require an erase before WRITE. By Fairchild Semiconductor
Part Manufacturer Description Datasheet Samples
NM25C640M8 Rochester Electronics LLC EEPROM, 8KX8, Serial, CMOS, PDSO8, 0.150 INCH, PLASTIC, SOP-8
NM25C640LZM8 Rochester Electronics LLC EEPROM, 8KX8, Serial, CMOS, PDSO8, 0.150 INCH, PLASTIC, SOP-8
NM25C640VM8 Rochester Electronics LLC EEPROM, 8KX8, Serial, CMOS, PDSO8, 0.150 INCH, PLASTIC, SOP-8
NM25C640LZEM8 Rochester Electronics LLC EEPROM, 8KX8, Serial, CMOS, PDSO8, 0.150 INCH, PLASTIC, SOP-8
NM25C640EM8 Rochester Electronics LLC EEPROM, 8KX8, Serial, CMOS, PDSO8, 0.150 INCH, PLASTIC, SOP-8
NM25C640LVM8 Rochester Electronics LLC EEPROM, 8KX8, Serial, CMOS, PDSO8, 0.150 INCH, PLASTIC, SOP-8
NM25C640 's PackagesNM25C640 's pdf datasheet



NM25C640 Pinout, Pinouts
NM25C640 pinout,Pin out
This is one package pinout of NM25C640,If you need more pinouts please download NM25C640's pdf datasheet.

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