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Atmel Electronic Components Datasheet



AT24C01

2-Wire Serial EEPROM



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AT24C01 pdf
Features
Low Voltage and Standard Voltage Operation
– 2.7 (VCC = 2.7V to 5.5V)
– 1.8 (VCC = 1.8V to 5.5V)
Internally Organized 128 x 8
2-Wire Serial Interface
Bidirectional Data Transfer Protocol
100 kHz (1.8V, 2.5V, 2.7V) and 400 kHz (5V) Compatibility
4-Byte Page Write Mode
Self-Timed Write Cycle (10 ms max)
High Reliability
– Endurance: 1 Million Write Cycles
– Data Retention: 100 Years
Automotive Grade, Extended Temperature and Lead-Free Devices Available
8-lead PDIP, 8-lead JEDEC SOIC and 8-lead TSSOP Packages
Description
The AT24C01 provides 1024 bits of serial electrically erasable and programmable
read only memory (EEPROM) organized as 128 words of 8 bits each. The device is
optimized for use in many industrial and commercial applications where low power
and low voltage operation are essential. The AT24C01 is available in space saving
8-lead PDIP, 8-lead JEDEC SOIC and 8-lead TSSOP packages and is accessed via a
2-wire serial interface. In addition, the entire family is available in 2.7V (2.7V to 5.5V)
and 1.8V (1.8V to 5.5V) versions.
2-Wire Serial
EEPROM
1K (128 x 8)
AT24C01
Pin Configurations
Pin Name
NC
SDA
SCL
TEST
Function
No Connect
Serial Data
Serial Clock Input
Test Input (GND or VCC)
8-lead PDIP
NC
NC
NC
GND
1
2
3
4
8 VCC
7 TEST
6 SCL
5 SDA
NC
NC
NC
GND
8-lead TSSOP
18
27
36
45
VCC
TEST
SCL
SDA
8-lead SOIC
NC
NC
NC
GND
1
2
3
4
8 VCC
7 TEST
6 SCL
5 SDA
Rev. 0134G–SEEPR–7/03
1



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AT24C01 pdf
Absolute Maximum Ratings*
Operating Temperature.................................. -55°C to +125°C
Storage Temperature ..................................... -65°C to +150°C
Voltage on Any Pin
with Respect to Ground .....................................-1.0V to +7.0V
Maximum Operating Voltage .......................................... 6.25V
DC Output Current........................................................ 5.0 mA
Block Diagram
*NOTICE:
Stresses beyond those listed under “Absolute
Maximum Ratings” may cause permanent dam-
age to the device. This is a stress rating only and
functional operation of the device at these or any
other conditions beyond those indicated in the
operational sections of this specification is not
implied. Exposure to absolute maximum rating
conditions for extended periods may affect
device reliability.
2 AT24C01
0134G–SEEPR–7/03



Part Number AT24C01
Description 2-Wire Serial EEPROM
Maker ATMEL Corporation - ATMEL Corporation
Total Page 14 Pages
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