FM24C128VN 데이터 시트보기 (PDF) - Fairchild Semiconductor
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FM24C128VN Datasheet PDF : 16 Pages
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FM24C128 – 128K-Bit Standard 2-Wire Bus
Interface Serial EEPROM
December 2001
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 VSS.
“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.
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
— 10µA standby current typical
— 1µA standby current typical (L version)
— 0.1µA 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
Block Diagram
VSS
VCC
WP
SDA
SCL
A2
A1
A0
WRITE
LOCKOUT
START
STOP
LOGIC
SLAVE ADDRESS
REGISTER &
COMPARATOR
CONTROL
LOGIC
WORD
ADDRESS
COUNTER
R/W
DIN
H.V. GENERATION
TIMING &CONTROL
XDEC
E2PROM
ARRAY
YDEC
CK
DATA REGISTER
DOUT
© 2001 Fairchild Semiconductor Corporation
1
FM24C128 Rev. D
www.fairchildsemi.com
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