FM93C86 ,16K-Bit Serial CMOS EEPROM (MICROWIRE Synchronous Bus)features MICROWIRE User selectable organizationinterface which is a 4-wire serial bus with chipsel ..
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FM93C86
16K-Bit Serial CMOS EEPROM (MICROWIRE Synchronous Bus)
FM93C86A 16K-Bit Serial CMOS EEPROM TM (MICROWIRE Synchronous Bus) July 2000 FM93C86A 16K-Bit Serial CMOS EEPROM (MICROWIRE™ Synchronous Bus) General Description Features FM93C86A is a 16,384-bit CMOS non-volatile EEPROM orga- � Wide V 2.7V - 5.5V CC nized as 1024 x 16-bit array. This device features MICROWIRE � User selectable organization interface which is a 4-wire serial bus with chipselect (CS), clock x16 (ORG = 1) (SK), data input (DI) and data output (DO) signals. This interface x8 (ORG = 0) is compatible to many of standard Microcontrollers and Micropro- � Typical active current of 200µA cessors. This device offers a pin (ORG), using which, the user can 10µA standby current typical select the format of the data (16-bit or 8-bit). If ORG is tied to GND, 1µA standby current typical (L) then 8-bit format is selected, while if ORG is tied to V , then 16- CC 0.1µA standby current typical (LZ) bit format is selected. There are 7 instructions implemented on the � No Erase instruction required before Write instruction FM93C86A for various Read, Write, Erase, and Write Enable/ Disable operations. This device is fabricated using Fairchild � Self timed write cycle Semiconductor floating-gate CMOS process for high reliability, � Device status during programming cycles high endurance and low power consumption. � 40 year data retention “LZ” and “L” versions of FM93C86A 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 and 8-pin DIP offered in both SO and DIP packages. Functional Diagram V CC CS INSTRUCTION SK DECODER CONTROL LOGIC AND CLOCK INSTRUCTION DI GENERATORS REGISTER HIGH VOLTAGE GENERATOR ADDRESS AND REGISTER PROGRAM TIMER ORG DECODER EEPROM ARRAY 16 READ/WRITE AMPS V 16 SS DATA IN/OUT REGISTER 16/8 BITS DO DATA OUT BUFFER © 2000 Fairchild Semiconductor International FM93C86A Rev. C.1
