FM93C86AL

Manufacturer Part NumberFM93C86AL
Description16K-Bit Serial CMOS EEPROM (Microwire Bus Interface)
ManufacturerFairchild Semiconductor
FM93C86AL datasheets

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FM93C86A is a 16,384-bit CMOS non-volatile EEPROM orga-
nized as 1024 x 16-bit array. This device features MICROWIRE
interface which is a 4-wire serial bus with chipselect (CS), clock
(SK), data input (DI) and data output (DO) signals. This interface
is compatible to many of standard Microcontrollers and Micropro-
cessors. This device offers a pin (ORG), using which, the user can
select the format of the data (16-bit or 8-bit). If ORG is tied to GND,
then 8-bit format is selected, while if ORG is tied to V
bit format is selected. There are 7 instructions implemented on the
FM93C86A for various Read, Write, Erase, and Write Enable/
Disable operations. This device is fabricated using Fairchild
Semiconductor floating-gate CMOS process for high reliability,
high endurance and low power consumption.
“LZ” and “L” versions of FM93C86A offer very low standby current
making them suitable for low power applications. This device is
offered in both SO and DIP packages.
CS
SK
INSTRUCTION
DI
REGISTER
ADDRESS
REGISTER
ORG
DECODER
DO
© 2000 Fairchild Semiconductor International
FM93C86A Rev. C.1
I Wide V
2.7V - 5.5V
CC
I User selectable organization
x16 (ORG = 1)
x8 (ORG = 0)
I Typical active current of 200µA
10µA standby current typical
1µA standby current typical (L)
, then 16-
CC
0.1µA standby current typical (LZ)
I No Erase instruction required before Write instruction
I Self timed write cycle
I Device status during programming cycles
I 40 year data retention
I Endurance: 1,000,000 data changes
I Packages available: 8-pin SO and 8-pin DIP
INSTRUCTION
DECODER
CONTROL LOGIC
AND CLOCK
GENERATORS
HIGH VOLTAGE
GENERATOR
AND
PROGRAM
TIMER
EEPROM ARRAY
16
READ/WRITE AMPS
16
DATA IN/OUT REGISTER
16/8 BITS
DATA OUT BUFFER
July 2000
V
CC
V
SS
www.fairchildsemi.com