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FM24C04U Datasheet(PDF) 1 Page - Fairchild Semiconductor

No. de Pieza. FM24C04U
Descripción  4K-Bit Standard 2-Wire Bus Interface Serial EEPROM
Descarga  14 Pages
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Fabricante  FAIRCHILD [Fairchild Semiconductor]
Página de inicio  http://www.fairchildsemi.com
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FM24C04U Datasheet(HTML) 1 Page - Fairchild Semiconductor

 
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FM24C04U/05U Rev. A.3
August 2000
© 2000 Fairchild Semiconductor International
FM24C04U/05U – 4K-Bit Standard 2-Wire Bus
Interface Serial EEPROM
General Description
The FM24C04U/05U devices are 4096 bits of CMOS non-volatile
electrically erasable memory. These devices conform to all speci-
fications in the Standard IIC 2-wire protocol. They are designed to
minimize device pin count and simplify PC board layout require-
ments.
The upper half (upper 2Kbit) of the memory of the FM24C05U can
be write protected by connecting the WP pin to VCC. This section of
memory then becomes unalterable unless WP is switched to V
SS.
This communications protocol uses CLOCK (SCL) and DATA
I/O (SDA) lines to synchronously clock data between the master
(for example a microprocessor) and the slave EEPROM device(s).
The Standard IIC protocol allows for a maximum of 16K of
EEPROM memory which is supported by the Fairchild family in
2K, 4K, 8K, and 16K devices, allowing the user to configure the
memory as the application requires with any combination of
EEPROMs. In order to implement higher EEPROM memory
densities on the IIC bus, the Extended IIC protocol must be used.
(Refer to the FM24C32 or FM24C65 datasheets for more informa-
tion.)
Fairchild EEPROMs are designed and tested for applications requir-
ing high endurance, high reliability and low power consumption.
Block Diagram
Features
I Extended operating voltage 2.7V – 5.5V
I 400 KHz clock frequency (F) at 2.7V - 5.5V
I 200µA active current typical
10
µA standby current typical
1
µA standby current typical (L)
0.1
µA standby current typical (LZ)
I IIC compatible interface
– Provides bi-directional data transfer protocol
I Sixteen byte page write mode
– Minimizes total write time per byte
I Self timed write cycle
Typical write cycle time of 6ms
I Hardware Write Protect for upper half (FM24C05U only)
I Endurance: 1,000,000 data changes
I Data retention greater than 40 years
I Packages available: 8-pin DIP, 8-pin SO, and 8-pin TSSOP
I Available in three temperature ranges
- Commercial: 0
° to +70°C
- Extended (E): -40
° to +85C
- Automotive (V): -40
° 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
CK
DIN
R/W
SDA
SCL
VSS
WP
VCC
DOUT
A2
A1


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