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Atmel Electronic Components Datasheet



AT24C02

2-Wire Serial EEPROM


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AT24C02 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 (1K), 256 x 8 (2K), 512 x 8 (4K),
1024 x 8 (8K) or 2048 x 8 (16K)
Two-wire Serial Interface
Schmitt Trigger, Filtered Inputs for Noise Suppression
Bidirectional Data Transfer Protocol
100 kHz (1.8V) and 400 kHz (2.7V, 5V) Compatibility
Write Protect Pin for Hardware Data Protection
8-byte Page (1K, 2K), 16-byte Page (4K, 8K, 16K) Write Modes
Partial Page Writes Allowed
Self-timed Write Cycle (5 ms max)
High-reliability
– Endurance: 1 Million Write Cycles
– Data Retention: 100 Years
Automotive Devices Available
8-lead JEDEC PDIP, 8-lead JEDEC SOIC, 8-lead Ultra Thin Mini-MAP (MLP 2x3), 5-lead
SOT23, 8-lead TSSOP and 8-ball dBGA2 Packages
Die Sales: Wafer Form, Waffle Pack and Bumped Wafers
Description
The AT24C01A/02/04/08A/16A provides 1024/2048/4096/8192/16384 bits of serial
electrically erasable and programmable read-only memory (EEPROM) organized as
128/256/512/1024/2048 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 AT24C01A/02/04/08A/16A is available in space-saving 8-lead
PDIP, 8-lead JEDEC SOIC, 8-lead Ultra Thin Mini-MAP (MLP 2x3), 5-lead SOT23
(AT24C01A/AT24C02/AT24C04), 8-lead TSSOP, and 8-ball dBGA2 packages and is
accessed via a Two-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.
Table 1. Pin Configuration
8-lead TSSOP
8-lead SOIC
Pin Name
A0 - A2
SDA
Function
Address Inputs
Serial Data
A0
A1
A2
GND
1
2
3
4
8 VCC
7 WP
6 SCL
5 SDA
A0
A1
A2
GND
1
2
3
4
8 VCC
7 WP
6 SCL
5 SDA
SCL
WP
NC
GND
VCC
Serial Clock Input
Write Protect
No Connect
Ground
Power Supply
8-ball dBGA2
VCC
WP
SCL
SDA
8
7
6
5
1 A0
2 A1
3 A2
4 GND
Bottom View
8-lead PDIP
8-lead Ultra Thin Mini-MAP
(MLP 2x3)
VCC 8
WP 7
SCL 6
SDA 5
1 A0
2 A1
3 A2
4 GND
Bottom View
5-lead SOT23
A0
A1
A2
GND
1
2
3
4
8 VCC
7 WP
6 SCL
5 SDA
SCL
GND
SDA
1
2
3
5 WP
4 VCC
Two-wire
Serial EEPROM
1K (128 x 8)
2K (256 x 8)
4K (512 x 8)
8K (1024 x 8)
16K (2048 x 8)
AT24C01A(1)
AT24C02(2)
AT24C04
AT24C08A
AT24C16A(3)
Notes:
1. Not Recommended for
new design; Please
refer to AT24C01B
datasheet.
2. Not Recommended for
new design; Please
refer to AT24C02B
datasheet.
3. Not Recommended for
new design; Please
refer to AT24C16B
datasheet
0180Z1–SEEPR–5/07
1



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AT24C02 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
Figure 1. 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 AT24C01A/02/04/08A/16A
0180Z1–SEEPR–5/07



Part Number AT24C02
Description 2-Wire Serial EEPROM
Maker ATMEL Corporation - ATMEL Corporation
Total Page 27 Pages
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