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Description : 4K-Bit Serial Interface CMOS EEPROM (Serial Peripheral Interface (SPI™) Synchronous Bus)

General Description
The NM25C041 is a 4096-bit MODE 1 SPI (Serial Peripheral Interface) CMOS EEPROM which is designed for high-reliability non-volatile data storage applications. The SPI Interface features a byte-wide format (all data is transferred in 8-bit words) to Interface with the Motorola 68HC11 microprocessor, or equivalent, at a 2.1MHz clock transfer rate. (This Interface is considered the fastest Serial communication method.) This 4-wire SPI Interface allows the end user full EEPROM functionality while keeping pin count and space requirements low for maximum PC board space utilization.

Features
■ 2.1 MHz clock rate @ 2.7V to 5.5V
■ 4096 bits organized as 512 x 8
■ Multiple chips on the same 3 wire Bus with separate chip select lines
■ Self-timed programming cycle
■ Simultaneous programming of 1 to 4 bytes at a time
■ Status register can be polled during programming to monitor RDY/BusY
■ Both the Write Protect (WP) pin and auto-write disable after programming provides hardware and software write protection
■ Block write protect feature to protect against accidental writes
■ Endurance: 1,000,000 data changes
■ Data retention greater than 40 years
■ Packages available: 8-pin DIP and 8-pin SO

Description : 4K-Bit Serial CMOS EEPROM (Serial Peripheral Interface (SPI) Synchronous Bus)

General Description
The NM25C040 is a 4096-bit CMOS EEPROM with an SPI compatible Serial Interface. The NM25C040 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 NM25C040 is implemented in Fairchild Semiconductor’s floating gate CMOS process that provides superior endurance and data retention.

Features
■ 2.1 MHz clock rate @ 2.7V to 5.5V
■ 4096 bits organized as 512 x 8
■ Multiple chips on the same 3-wire Bus with separate chip select lines
■ Self-timed programming cycle
■ Simultaneous programming of 1 to 4 bytes at a time
■ Status register can be polled during programming to monitor READY/BusY
■ Write Protect (WP) pin and write disable instruction for both hardware and software write protection
■ Block write protect feature to protect against accidental writes
■ Endurance: 1,000,000 data changes
■ Data retention greater than 40 years
■ Packages available: 8-pin DIP, 8-pin SO, or 8-pin TSSOP

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

General Description
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 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 NM25C640 is implemented in Fairchild Semiconductor’s floating gate CMOS process that provides superior endurance and data retention.

Features
■ 2.75 MHz clock rate @ 4.5V to 5.5V 2.1 MHz @ 2.7V to 4.5V
■ 65,536 bits organized as 8,192 x 8
■ Multiple chips on the same 3-wire Bus with separate chip select lines
■ Self-timed programming cycle
■ Simultaneous programming of 1 to 32 bytes at a time
■ Status register can be polled during programming to monitor READY/BusY
■ Write Protect (WP) pin and write disable instruction for both hardware and software write protection
■ Block write protect feature to protect against accidental writes
■ Endurance: 1,000,000 data changes
■ Data retention greater than 40 years
■ Packages available: 8-pin DIP or 8-Pin SO

Description : 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.

Features
■ 2.1 MHz clock rate @ 2.7V to 5.5V
■ 2048 bits organized as 256 x 8
■ Multiple chips on the same 3-wire Bus with separate chip select lines
■ Self-timed programming cycle
■ Simultaneous programming of 1 to 4 bytes at a time
■ Status register can be polled during programming to monitor READY/BusY
■ Write Protect (WP) pin and write disable instruction for both hardware and software write protection
■ Block write protect feature to protect against accidental writes
■ Endurance: 1,000,000 data changes
■ Data retention greater than 40 years
■ Packages available: 8-pin DIP, 8-pin SO, or 8-pin TSSOP

Description : 16K-Bit Serial CMOS EEPROM (Serial Peripheral Interface (SPI) Synchronous Bus)

General Description
The NM25C160 is a 16,384-bit CMOS EEPROM with an SPI compatible Serial Interface. The NM25C160 is designed for data storage in applications requiring both non-volatile memory and insystem data updates.
   
Features
■ 2.1 MHz clock rate @ 2.7V to 5.5V
■ 16,384 bits organized as 2,048 x 8
■ Multiple chips on the same 3-wire Bus with separate chip select lines
■ Self-timed programming cycle
■ Simultaneous programming of 1 to 16 bytes at a time
■ Status register can be polled during programming to monitor READY/BusY
■ Write Protect (WP) pin and write disable instruction for both hardware and software write protection
■ Block write protect feature to protect against accidental writes
■ Endurance: 1,000,000 data changes
■ Data retention greater than 40 years
■ Packages available: 8-pin DIP, 8-pin SO, or 8-pin TSSOP
   

Description : 4K-Bit SPIInterface Serial CMOS EEPROM

General Description
The FM25C041U is a 4K (4,096) bit Serial Interface CMOS EEPROM (Electrically Erasable Programmable Read-Only Memory). This device fully conforms to the SPI 4-wire protocol which uses Chip Select (/CS), Clock (SCK), Data-in (SI) and Dataout (SO) pins to Synchronously control data transfer between the SPI microcontroller and the EEPROM. In addition, the Serial Interface allows a minimal pin count, packaging designed to simplify PC board layout requirements and offers the designer a variety of low voltage and low power options.

Features
■ Sequential read of entire array
■ 4 byte "Page write" mode to minimize total write time per byte
■ /WP pin and BLOCK WRITE protection to prevent inadvertent programming as well as programming ENABLE and DISABLE opcodes.
■ /HOLD pin to suspend data transfer
■ Typical 1µA standby current (ISB) for "L" devices and 0.1µA standby current for "LZ" devices.
■ Endurance: Up to 1,000,000 data changes
■ Data retention greater than 40 years

Functions
SPI MODE 1 Interface
■ 4,096 bits organized as 512 x 8
■ Extended 2.7V to 5.5V operating voltage
■ 2.1 MHz operation @ 4.5V - 5.5V
■ Self-timed programming cycle
■ "Programming complete" indicated by STATUS REGISTER polling
■ /WP pin and BLOCK WRITE protection

Description : 4K-Bit SPIInterface Serial CMOS EEPROM

General Description
The FM25C040U is a 4K (4,096) bit Serial Interface CMOS EEPROM (Electrically Erasable Programmable Read-Only Memory). This device fully conforms to the SPI 4-wire protocol which uses Chip Select (/CS), Clock (SCK), Data-in (SI) and Data out (SO) pins to Synchronously control data transfer between the SPI microcontroller and the EEPROM. In addition, the Serial Interface allows a minimal pin count, packaging designed to simplify PC board layout requirements and offers the designer a variety of low voltage and low power options.

Features
■Sequential read of entire array
■4 byte "Page write" mode to minimize total write time per byte
■/WP pin and BLOCK WRITE protection to prevent inadvert ent programming as well as programming ENABLE and DISABLE opcodes.
■/HOLD pin to suspend data transfer
■Typical 1µA standby current (ISB) for "L" devices and 0.1µA standby current for "LZ" devices.
■Endurance: Up to 1,000,000 data changes
■Data retention greater than 40 years

Functions
SPI MODE 0 Interface
■4,096 bits organized as 512 x 8
■Extended 2.7V to 5.5V operating voltage
■2.1 MHz operation @ 4.5V - 5.5V
■Self-timed programming cycle
■"Programming complete" indicated by STATUS REGISTER polling
■/WP pin and BLOCK WRITE protection

Description : Serial Peripheral Interface 128k EEPROM (16-kword × 8-bit)/ 256k EEPROM (32-kword × 8-bit) Electrically Erasable and Programmable Read Only Memory

Description
HN58X25xxx Series is the Serial Peripheral Interface compatible (SPI) EEPROM (Electrically Erasable and Programmable ROM). It realizes high speed, low power consumption and a high level of reliability by employing advanced MONOS memory technology and CMOS process and low voltage circuitry technology. It also has a 64-byte page programming function to make it’s write operation faster.
Note: Renesas Technology’s Serial EEPROM are authorized for using consumer applications such as cellular phones, camcorders, audio equipments. Therefore, please contact Renesas Technology’s sales office before using industrial applications such as automotive systems, embedded controllers, and meters.

Features
• Single supply: 1.8 V to 5.5 V
Serial Peripheral Interface compatible (SPI Bus)
SPI mode 0 (0,0), 3 (1,1)
• Clock frequency: 5 MHz (2.5 V to 5.5 V), 3 MHz (1.8 V to 5.5 V)
• Power dissipation:
 Standby: 3 µA (max)
 Active (Read): 4 mA (max)
 Active (Write): 4 mA (max)
• Automatic page write: 64-byte/page
• Write cycle time: 5 ms (2.5 V min), 8 ms (1.8 V min)
• Endurance: 106 Erase/Write Cycles
• Data retention: 10 Years
• Small size packages: SOP-8pin and TSSOP-14pin
• Shipping tape and reel
 TSSOP-14pin : 2,000 IC/reel
 SOP-8pin : 2,500 IC/reel
• Temperature range: −40 to +85°C
• Lead free product.

Description : Serial Peripheral Interface 128k EEPROM (16-kword × 8-bit)/256k EEPROM (32-kword × 8-bit)

Description
HN58X25128/HN58X25256 Series is the Serial Peripheral Interface compatible (SPI) EEPROM (Electrically Erasable and Programmable ROM). It realizes high speed, low power consumption and a high level of reliability by employing advanced MONOS memory technology and CMOS process and low voltage circuitry technology. It also has a 64-byte page programming function to make it’s write operation faster.

Features
• Single supply: 1.8 V to 5.5 V
Serial Peripheral Interface compatible (SPI Bus)
SPI mode 0 (0,0), 3 (1,1)
• Clock frequency: 5 MHz (2.5 V to 5.5 V), 3 MHz (1.8 V to 5.5 V)
• Power dissipation:
⎯ Standby: 3.0 μA (max)
⎯ Active (Read): 4.0 mA (max)
⎯ Active (Write): 4.0 mA (max)
• Automatic page write: 64-byte/page
• Write cycle time: 5 ms (2.5 V or more) / 8 ms (1.8 V or more)
• Endurance: 1,000k or more Cycles @25°C
• Data retention: 100 or more Years @25°C
• Small size packages: SOP-8pin
• Shipping tape and reel
⎯ SOP-8pin: 2,500 IC/reel
• Temperature range: −40 to +85°C
• Lead free product.

Description : Serial Peripheral Interface 128k EEPROM (16-kword × 8-bit) 256k EEPROM (32-kword × 8-bit) Electrically Erasable and Programmable Read Only Memory

Description
HN58X25xxx Series is the Serial Peripheral Interface compatible (SPI) EEPROM (Electrically Erasable and Programmable ROM). It realizes high speed, low power consumption and a high level of reliability by employing advanced MONOS memory technology and CMOS process and low voltage circuitry technology.

Features
• Single supply: 1.8 V to 5.5 V
Serial Peripheral Interface compatible (SPI Bus)
    - SPI mode 0 (0,0), 3 (1,1)
• Clock frequency: 5 MHz (2.5 V to 5.5 V), 3 MHz (1.8 V to 5.5 V)
• Power dissipation:
    - Standby: 3 µA (max)
    - Active (Read): 4 mA (max)
    - Active (Write): 4 mA (max)
• Automatic page write: 64-byte/page
• Write cycle time: 5 ms (2.5 V min), 8 ms (1.8 V min)
• Endurance: 106 Erase/Write Cycles
• Data retention: 10 Years
• Small size packages: SOP-8pin and TSSOP-14pin
• Shipping tape and reel
    - TSSOP-14pin : 2,000 IC/reel
    - SOP-8pin : 2,500 IC/reel
• Temperature range: −40 to +85°C
• Lead free product.

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