NM24C65UEM8

August 1999 NM24C65U 64K-Bit Serial EEPROM with Write Protect 2-Wire Bus Interface General Description: continuously reliable non-volatile solution for all markets. The NM24C65U is a 64K (65,536) bit serial interface CMOS EEPROM (Electrically Erasable Programmable Read-Only Memory). This device fully conforms to the Extended I2C™ 2-wire protocol which uses Clock (SCL) and Data I/O (SDA) pins to synchronously clock data between the "master" (for example a microprocessor) and the "slave" (the EEPROM device). 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. Functions NM24C65U incorporates a hardware "Write Protect" feature, by which the upper half of the memory can be disabled against programming by connecting the WP pin to VCC. This section of memory then effectively becomes a ROM (Read-Only Memory) and can no longer be programmed as long as WP pin is connected to VCC. ■ Memory "Upper Block" Write Protect pin ■ I2C™ compatible interface ■ 65,536 bits organized as 8,192 x 8 ■ 100 KHz or 400 KHz operation ■ Extended 2.7V – 5.5V operating voltage ■ Self timed programming cycle (6ms typical) ■ "Programming complete" indicated by ACK polling Features ■ The I2C™ interface allows the smallest I/O pincount of any EEPROM interface ■ 32 byte page write mode to minimize total write time per byte ■ Low VCC programming lockout (3.8V) — "H" option (Standard VCC range) parts only Fairchild EEPROMs are designed and tested for applications requiring high endurance, high reliability and low power consumption for a ■ Typical 200µA active current (ICCA) ■ 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 Block Diagram WRITE LOCKOUT VCC WP START CYCLE H.V. GENERATION TIMING &CONTROL START STOP LOGIC SDA CONTROL LOGIC SLAVE ADDRESS REGISTER & COMPARATOR SCL XDEC LOAD A2 A1 A0 E2PROM ARRAY INC WORD ADDRESS COUNTER R/W YDEC CK DATA REGISTER DIN DS800012-1 I2C™ is a registered trademark of Philips Electronics N.V. © 1999 Fairchild Semiconductor Corporation NM24C65U Rev. B.1 DOUT 1 www.fairchildsemi.com NM24C65U 64K-Bit Serial EEPROM with Write Protect 2-Wire Bus Interface PRELIMINARY Dual-In-Line Package (N) and 8-Pin SO Package (M8) A0 1 A1 2 8 VCC 7 WP NM24C65U A2 3 6 SCL VSS 4 5 SDA DS800012-2 Top View See Package Number N08E and M08A Pin Names A0, A1, A2 Device Address Input VSS Ground SDA Data I/O SCL Clock Input WP Write Protect VCC Power Supply Ordering Information NM 24 C XX U F LZ E XX Letter Description N M8 8-Pin DIP 8-Pin SOIC Temp. Range None V E 0 to 70°C -40 to +125°C -40 to +85°C Voltage Operating Range Blank L LZ H 4.5V to 5.5V 2.7V to 5.5V 2.7V to 5.5V and > Find products >> Home find products space space space NM24C65U Products groups Product information Analog and Mixed Signal Contents Discrete General description | Features | Product Interface status/pricing/packaging Logic space Microcontrollers Non-Volatile General description Memory spaceOptoelectronics Markets and The NM24C65U is a 64K (65,536) bit serial applications interface CMOS EEPROM (Electrically New products Erasable Programmable Read-Only Memory). Product selection and This device fully conforms to the Extended parametric search I2C™ 2-wire protocol which uses Clock (SCL) and Data I/O (SDA) pins to synchronously Cross-reference clock data between the "master" (for example a search microprocessor) and the "slave" (the EEPROM device). In addition, the serial interface allows technical information a minimal pin count, packaging designed to simplify PC board layout requirements and buy products offers the designer a variety of low voltage and technical support low power options. my Fairchild company Product Folders and Datasheets Application notes Related Links Datasheet Download this datasheet PDF e-mail this datasheet [Email] This page Print version Request samples Dotted line How to order products Dotted line Product Change Notices (PCNs) Dotted line Support Dotted line Distributor and field sales representatives Dotted line Quality and reliability Dotted line Design tools Because this device incorporates a hardware "Write Protect" feature, the upper half of the memory can be disabled against programming by connecting the WP pin to VCC. This section of memory then effectively becomes a ROM (Read-Only Memory) and can no longer be programmed. Fairchild EEPROMs are designed and tested for applications requiring high endurance, high space reliability and low power consumption for a continuously reliable non-volatile solution for all markets. back to top Features file://///sprint/bitting1/imaging/BITTING/cpl/20020725_1/07252002_10/FAIR/07252002/NM24C65U.html (1 of 4) [26-Jul-02 10:23:18 AM] Product Folder - Fairchild P/N NM24C65U - Product information ● ● ● ● ● ● ● The I2C™ interface allows the smallest I/O pincount of any EEPROM interface 32 byte page write mode to minimize total write time per byte Low VCC programming lockout (3.8V) ❍ "H" option (Standard V CC range) parts only Typical 200µA active current (ICCA) 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 back to top Product status/pricing/packaging Product Product status Pricing* Package Leads type Package marking Packing method NM24C65UFM8X Not recommended for new designs N/A SOIC 8 $Y&Z&2&T 24U65 F TAPE REEL NM24C65UN Not recommended for new designs $1.26 DIP 8 $Y&Z&2&T 24U65 N RAIL NM24C65ULZN Not recommended for new designs N/A DIP 8 $Y&Z&2&T 24U65 LZ RAIL NM24C65ULM8 Not recommended for new designs $1.29 SOIC 8 $Y&Z&2&T 24U65 L RAIL NM24C65UFLM8X Not recommended for new designs N/A SOIC 8 $Y&Z&2&T 24U65 FLM8 TAPE REEL NM24C65UEM8 Not recommended for new designs $1.29 SOIC 8 $Y&Z&2&T 24U65 EM8 RAIL Not NM24C65UFLZEM8X recommended for new designs $1.33 SOIC 8 $Y&Z&2&T 24U65 FLZE TAPE REEL NM24C65ULEN Not recommended for new designs N/A DIP 8 $Y&Z&2&T 24U65 LE RAIL NM24C65UEN Not recommended for new designs $1.29 DIP 8 $Y&Z&2&T 24U65 EN RAIL file://///sprint/bitting1/imaging/BITTING/cpl/20020725_1/07252002_10/FAIR/07252002/NM24C65U.html (2 of 4) [26-Jul-02 10:23:18 AM] Product Folder - Fairchild P/N NM24C65U - Product information NM24C65UM8X Not recommended for new designs $1.26 SOIC 8 $Y&Z&2&T 24U65 M8 TAPE REEL NM24C65UFLEM8 Not recommended for new designs N/A SOIC 8 $Y&Z&2&T 24U65 FLE RAIL NM24C65UVM8X Not recommended for new designs N/A SOIC 8 $Y&Z&2&T 24U65 V TAPE REEL NM24C65UM8 Not recommended for new designs $1.26 SOIC 8 $Y&Z&2&T 24U65 M8 RAIL NM24C65UFLZEM8 Not recommended for new designs $1.33 SOIC 8 $Y&Z&2&T 24U65 FLZE RAIL NM24C65UFLZM8X Not recommended for new designs 8 $Y&Z&2&T 24U65 FLZ TAPE REEL NM24C65ULM8X Not recommended for new designs 8 $Y&Z&2&T 24U65 L TAPE REEL NM24C65ULZEM8 Not recommended for new designs 8 $Y&Z&2&T 24U65 LZE RAIL NM24C65UFLZM8 Not recommended for new designs 8 $Y&Z&2&T 24U65 FLZ RAIL NM24C65UFLEM8X Not recommended for new designs N/A SOIC 8 $Y&Z&2&T 24U65 FLE TAPE REEL NM24C65UEM8X Not recommended for new designs $1.29 SOIC 8 $Y&Z&2&T 24U65 E TAPE REEL NM24C65ULEM8 Not recommended for new designs $1.31 SOIC 8 $Y&Z&2&T 24U65 LE RAIL NM24C65ULN Not recommended for new designs $1.29 DIP 8 $Y&Z&2&T 24U65 L RAIL NM24C65UVM8 Not recommended for new designs N/A SOIC 8 $Y&Z&2&T 24U65 V RAIL NM24C65UDWF Not recommended for new designs N/A Wafer N/A N/A RAIL NM24C65UFLM8 Not recommended for new designs N/A SOIC 8 $Y&Z&2&T 24U65 FL RAIL N/A $1.29 $1.33 N/A SOIC SOIC SOIC SOIC file://///sprint/bitting1/imaging/BITTING/cpl/20020725_1/07252002_10/FAIR/07252002/NM24C65U.html (3 of 4) [26-Jul-02 10:23:18 AM] Product Folder - Fairchild P/N NM24C65U - Product information NM24C65UFM8 Not recommended for new designs N/A SOIC 8 $Y&Z&2&T 24U65 F RAIL NM24C65ULZM8 Not recommended for new designs N/A SOIC 8 $Y&Z&2&T 24U65 LZ RAIL NM24C65ULZM8X Not recommended for new designs N/A SOIC 8 $Y&Z&2&T 24U65 LZ TAPE REEL NM24C65ULEM8X Not recommended for new designs N/A SOIC 8 $Y&Z&2&T 24U65 LE TAPE REEL NM24C65ULZEM8X Not recommended for new designs $1.33 SOIC 8 $Y&Z&2&T 24U65 LZE TAPE REEL * 1,000 piece Budgetary Pricing back to top space space Home | Find products | Technical information | Buy products | Support | Company | Contact us | Site index | Privacy policy space © Copyright 2002 Fairchild Semiconductor space file://///sprint/bitting1/imaging/BITTING/cpl/20020725_1/07252002_10/FAIR/07252002/NM24C65U.html (4 of 4) [26-Jul-02 10:23:18 AM]