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FM24C128 Datasheet(PDF) 1 Page - Fairchild Semiconductor

Part No. FM24C128
Description  128K-Bit Standard 2-Wire Bus Interface Serial EEPROM
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

FM24C128 Datasheet(HTML) 1 Page - Fairchild Semiconductor

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www.fairchildsemi.com
FM24C128 Rev. B.1
May 2001
© 2001 Fairchild Semiconductor Corporation
FM24C128 – 128K-Bit Standard 2-Wire Bus
Interface Serial EEPROM
General Description
FM24C128 is a 128Kbit CMOS non-volatile serial EEPROM
organized as 16K x 8 bit memory. This device confirms to
Extended IIC 2-wire protocol that allows accessing of memory in
excess of 16Kbit on an IIC bus. This serial communication protocol
uses a Clock signal (SCL) and a Data signal (SDA) to synchro-
nously clock data between a master (e.g. a microcontroller) and a
slave (EEPROM). FM24C128 is designed to minimize pin count
and simplify PC board layout requirements.
FM24C128 offers hardware write protection where by the entire
memory array can be write protected by connecting WP pin to VCC.
The entire memory then becomes unalterable until the WP pin is
switched to V
SS.
“LZ” and “L” versions of FM24C128 offer very low standby current
making them suitable for low power applications. This device is
offered in SO, TSSOP and DIP packages.
Fairchild EEPROMs are designed and tested for applications
requiring high endurance, high reliability and low power consump-
tion.
Block Diagram
Features
I Extended operating voltage: 2.5V to 5.5V
I Up to 400 KHz clock frequency at 2.5V to 5.5V
I Low power consumption
— 0.5mA active current typical
—10
µA standby current typical
—1
µA standby current typical (L version)
— 0.1
µA standby current typical (LZ version)
I Schmitt trigger inputs
I 64 byte page write mode
I Self timed write cycle (6ms max)
I Hardware Write Protection for the entire array
I Endurance: up to 100K data changes
I Data Retention: Greater than 40 years
I Packages: 8-Pin DIP, 8-Pin SO and 8-Pin TSSOP
I Temperature range
— Commercial: 0
°C to +70°C
— Industrial (E): -40
°C to +85°C
— Automotive (V): -40
°C to +125°C
H.V. GENERATION
TIMING &CONTROL
E2PROM
ARRAY
YDEC
DATA REGISTER
XDEC
CONTROL
LOGIC
WORD
ADDRESS
COUNTER
SLAVE ADDRESS
REGISTER &
COMPARATOR
START
STOP
LOGIC
WRITE
LOCKOUT
CK
DIN
R/W
SDA
SCL
WP
VCC
VSS
DOUT
A2
A1
A0


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