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NM24C17U 반도체 회로 부품 판매점

(NM24C16U / NM24C17U) 16K-Bit Serial EEPROM 2-Wire Bus Interface



Fairchild Semiconductor 로고
Fairchild Semiconductor
NM24C17U 데이터시트, 핀배열, 회로
www.DataSheet4U.com
August 1999
NM24C16U/NM24C17U
16K-Bit Serial EEPROM
2-Wire Bus Interface
General Description
The NM24C16U/17U devices are 16K (16,384) bit serial interface
CMOS EEPROMs (Electrically Erasable Programmable Read-
Only Memory). These devices fully conform to the Standard I2C™
2-wire protocol which uses Clock (SCL) and Data I/O (SDA) pins
to synchronously clock data between the "master" (for example a
microprocessor) and the "slave" (the EEPROM device). In addi-
tion, the serial interface allows a minimal pin count packaging
designed to simplify PC board layout requirements and offers the
designer a variety of low voltage and low power options.
NM24C17U incorporates a hardware "Write Protect" feature, by
which, the upper half of the memory can be disabled against
programming by connecting the WP pin to VCC. This section of
memory then effectively becomes a ROM (Read-Only Memory)
and can no longer be programmed as long as WP pin is connected
to VCC.
Fairchild EEPROMs are designed and tested for applications requir-
ing high endurance, high reliability and low power consumption for a
continuously reliable non-volatile solution for all markets.
Block Diagram
VCC
VSS
WP
SDA
SCL
START
STOP
LOGIC
SLAVE ADDRESS
REGISTER &
COMPARATOR
CONTROL
LOGIC
Functions
I I2C™ compatible interface
I 4,096 bits organized as 512 x 8
I Extended 2.7V – 5.5V operating voltage
I 100 KHz or 400 KHz operation
I Self timed programming cycle (6ms typical)
I "Programming complete" indicated by ACK polling
I NM24C17U: Memory "Upper Block" Write Protect pin
Features
I The I2C™ interface allows the smallest I/O pincount of any
EEPROM interface
I 16 byte page write mode to minimize total write time per byte
I Typical 200µA active current (ICCA)
I Typical 1µA standby current (ISB) for "L" devices and 0.1µA
standby current for "LZ" devices
I Endurance: Up to 1,000,000 data changes
I Data retention greater than 40 years
H.V. GENERATION
TIMING &CONTROL
XDEC
E2PROM
ARRAY
WORD
ADDRESS
COUNTER
R/W YDEC
CK
DIN
DATA REGISTER
DOUT
I2Cis a registered trademark of Philips Electronics N.V.
© 1999 Fairchild Semiconductor Corporation
NM24C16U/17U Rev. B.1
1
DS800010-1
www.fairchildsemi.com


NM24C17U 데이터시트, 핀배열, 회로
Connection Diagrams
Dual-In-Line Package (N),
8-Pin SO Package (M8)
8-Pin TSSOP Package (MT8)
Rotated Die (24C16UT)
NC
NC
NC
VSS
Pin Names
VSS
SDA
SCL
NC
VCC
18
27
3 NM24C16U 6
45
VCC
NC
SCL
SDA
NC
VCC
NC
NC
18
27
3 NM24C16UT 6
45
SCL
SDA
VSS
NC
DS800010-2
Top View
See Package Number N08E, M08A and MTC08
DS800010-3
Ground
Serial Data I/O
Serial Clock Input
No Connection
Power Supply
Dual-In-Line Package (N),
8-Pin SO Package (M8)
8-Pin TSSOP Package (MT8)
Rotated Die (24C17UT)
NC 1
8 VCC
WP 1
8 SCL
NC 2
7 WP
NC 3 NM24C17U 6 SCL
VCC
NC
27
3 NM24C17UT 6
SDA
VSS
VSS 4
5 SDA
NC 4
5 NC
DS800010-4
Top View
See Package Number N08E, M08A and MTC08
DS800010-5
Pin Names
VSS
SDA
SCL
WP
VCC
NC
Ground
Serial Data I/O
Serial Clock input
Write Protect
Power Supply
No Connection
NM24C16U/17U Rev. B.1
2
www.fairchildsemi.com




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(NM24C16U / NM24C17U) 16K-Bit Serial EEPROM 2-Wire Bus Interface - Fairchild Semiconductor