93C66 ,4K-Bit Serial CMOS EEPROM (MICROWIRE Synchronous Bus)FM93C66 4096-Bit Serial CMOS EEPROMTM(MICROWIRE Synchronous Bus)July 2000FM93C664096-Bit Serial CMO ..
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93C66
4K-Bit Serial CMOS EEPROM (MICROWIRE Synchronous Bus)
FM93C66 4096-Bit Serial CMOS EEPROM TM (MICROWIRE Synchronous Bus) July 2000 FM93C66 4096-Bit Serial CMOS EEPROM (MICROWIRE™ Synchronous Bus) General Description Features FM93C66 is a 4096-bit CMOS non-volatile EEPROM organized � Wide V 2.7V - 5.5V CC as 256 x 16-bit array. This device features MICROWIRE interface � Typical active current of 200µA which is a 4-wire serial bus with chipselect (CS), clock (SK), data 10µA standby current typical input (DI) and data output (DO) signals. This interface is compat- 1µA standby current typical (L) ible to many of standard Microcontrollers and Microprocessors. 0.1µA standby current typical (LZ) There are 7 instructions implemented on the FM93C66 for various � No Erase instruction required before Write instruction Read, Write, Erase, and Write Enable/Disable operations. This � Self timed write cycle device is fabricated using Fairchild Semiconductor floating-gate CMOS process for high reliability, high endurance and low power � Device status during programming cycles consumption. � 40 year data retention “LZ” and “L” versions of FM93C66 offer very low standby current � Endurance: 1,000,000 data changes making them suitable for low power applications. This device is � Packages available: 8-pin SO, 8-pin DIP, 8-pin TSSOP offered in both SO and TSSOP packages for small space consid- erations. Functional Diagram V CC CS INSTRUCTION SK DECODER CONTROL LOGIC AND CLOCK INSTRUCTION DI GENERATORS REGISTER HIGH VOLTAGE GENERATOR ADDRESS AND REGISTER PROGRAM TIMER DECODER EEPROM ARRAY 16 READ/WRITE AMPS V 16 SS DATA IN/OUT REGISTER 16 BITS DO DATA OUT BUFFER 1 © 2000 Fairchild Semiconductor International FM93C66 Rev. C.1
