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NM24C16 Datasheet(PDF) 1 Page - Fairchild Semiconductor

Part No. NM24C16
Description  16K-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

NM24C16 Datasheet(HTML) 1 Page - Fairchild Semiconductor

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NM24C16/17 Rev. G
February 2000
© 1998 Fairchild Semiconductor Corporation
NM24C16/17 – 16K-Bit Standard 2-Wire Bus
Interface Serial EEPROM
General Description
The NM24C16/17 devices are 16,384 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 8Kbit) of the memory of the NM24C17 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 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
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 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 (NM24C17 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
START
STOP
LOGIC
CK
DIN
R/W
SDA
SCL
VSS
WP
VCC
DOUT
DS500072-1


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