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(Datasheet) 93C66 PDF Download

Part Number 93C66
Description 4096-Bit Serial CMOS EEPROM (MICROWIRE Synchronous Bus)
Manufacture Fairchild Semiconductor
Total Page 13 Pages
PDF Download Download 93C66 Datasheet PDF

Features: FM93C66 4096-Bit Serial CMOS EEPROM (MIC ROWIRETM Synchronous Bus) July 2000 F M93C66 4096-Bit Serial CMOS EEPROM (MIC ROWIRE™ Synchronous Bus) General Desc ription FM93C66 is a 4096-bit CMOS non- volatile EEPROM organized as 256 x 16-b it array. This device features MICROWIR E interface which is a 4-wire serial bu s with chipselect (CS), clock (SK), dat a input (DI) and data output (DO) signa ls. This interface is compatible to man y of standard Microcontrollers and Micr oprocessors. There are 7 instructions i mplemented on the FM93C66 for various R ead, Write, Erase, and Write Enable/Dis able operations. This device is fabrica ted using Fairchild Semiconductor float ing-gate CMOS process for high reliabil ity, high endurance and low power consu mption. “LZ” and “L” versions o f FM93C66 offer very low standby curren t making them suitable for low power ap plications. This device is offered in b oth SO and TSSOP packages for small spa ce considerations. Features I Wide VCC 2.7V - 5.5V I Typical active curr.

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93C66 datasheet
July 2000
FM93C66
4096-Bit Serial CMOS EEPROM
(MICROWIRE™ Synchronous Bus)
General Description
FM93C66 is a 4096-bit CMOS non-volatile EEPROM organized
as 256 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 compat-
ible to many of standard Microcontrollers and Microprocessors.
There are 7 instructions implemented on the FM93C66 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 FM93C66 offer very low standby current
making them suitable for low power applications. This device is
offered in both SO and TSSOP packages for small space consid-
erations.
Features
I Wide VCC 2.7V - 5.5V
I Typical active current of 200µA
10µA standby current typical
1µA standby current typical (L)
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, 8-pin DIP, 8-pin TSSOP
Functional Diagram
CS
SK
DI
INSTRUCTION
REGISTER
ADDRESS
REGISTER
INSTRUCTION
DECODER
CONTROL LOGIC
AND CLOCK
GENERATORS
DECODER
EEPROM ARRAY
16
READ/WRITE AMPS
16
DATA IN/OUT REGISTER
16 BITS
DO DATA OUT BUFFER
VCC
HIGH VOLTAGE
GENERATOR
AND
PROGRAM
TIMER
VSS
© 2000 Fairchild Semiconductor International
FM93C66 Rev. C.1
1
www.fairchildsemi.com

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