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NM24C02 반도체 회로 부품 판매점

2K-Bit Standard 2-Wire Bus



Fairchild 로고
Fairchild
NM24C02 데이터시트, 핀배열, 회로
NM24C02/03 – 2K-Bit Standard 2-Wire Bus
Interface Serial EEPROM
February 2000
General Description
The NM24C02/03 devices are 2048 bits of CMOS non-volatile
electrically erasable memory. These devices conform to all speci-
fications in the Standard IIC 2-wire protocol and are designed to
minimize device pin count, and simplify PC board layout require-
ments.
The upper half (upper 1Kbit) of the memory of the NM24C03 can be
write protected by connecting the WP pin to VCC. This section of
memory then becomes unalterable unless WP is switched to VSS.
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 NM24C32 or NM24C65 datasheets for more infor-
mation.)
Fairchild EEPROMs are designed and tested for applications requir-
ing high endurance, high reliability and low power consumption.
Block Diagram
VCC
VSS
WP
SDA
SCL
START
STOP
LOGIC
SLAVE ADDRESS
REGISTER &
COMPARATOR
CONTROL
LOGIC
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
10µA standby current typical
1µA standby current typical (L)
0.1µA standby current typical (LZ)
I IIC compatible interface
– Provides bi-directional data transfer protocol
I Schmitt trigger inputs
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 (NM24C03 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
XDEC
E2PROM
ARRAY
A2 WORD
A1 ADDRESS
A0 COUNTER
R/W YDEC
CK
DIN
DATA REGISTER
DOUT
© 1998 Fairchild Semiconductor Corporation
NM24C02/03 Rev. G
1
DS500069-1
www.fairchildsemi.com


NM24C02 데이터시트, 핀배열, 회로
Connection Diagrams
Dual-in-Line Package (N), SO Package (M8) and TSSOP Package (MT8)
A0
A1
A2
VSS
18
27
NM24C02
36
45
VCC
NC
SCL
SDA
DS500069-2
See Package Number N08E, M08A and MTC08
Pin Names
A0,A1,A2
VSS
SDA
SCL
NC
VCC
Device Address Inputs
Ground
Serial Data I/O
Serial Clock Input
No Connection
Power Supply
Dual-in-Line Package (N), SO Package (M8) and TSSOP Package (MT8)
A0
A1
A2
VSS
18
27
NM24C03
36
45
VCC
WP
SCL
SDA
DS500069-3
See Package Number N08E, M08A and MTC08
Pin Names
A0,A1,A2
VSS
SDA
SCL
WP
VCC
Device Address Inputs
Ground
Serial Data I/O
Serial Clock input
Write Protect
Power Supply
NM24C02/03 Rev. G
2 www.fairchildsemi.com




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