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Atmel Electronic Components Datasheet

AT24C01C Datasheet

EEPROM

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AT24C01C pdf
AT24C01C and AT24C02C
I2C-Compatible (2-wire) Serial EEPROM
1-Kbit (128 x 8), 2-Kbit (256 x 8)
DATASHEET
Features
Low-voltage Operation
̶ VCC = 1.7V to 5.5V
Internally Organized as 128 x 8 (1K) or 256 x 8 (2K)
I2C Compatible (2-wire) Serial Interface
Schmitt Trigger, Filtered Inputs for Noise Suppression
Bidirectional Data Transfer Protocol
400kHz (1.7V) and 1MHz (2.5V, 2.7V, 5.0V) Compatibility
Write Protect Pin for Hardware Data Protection
8-byte Page Write Mode
̶ Partial Page Writes Allowed
Self-timed Write Cycle (5ms max)
High-reliability
̶ Endurance: 1,000,000 Write Cycles
̶ Data Retention: 100 Years
Green Package Options (Pb/Halide-free/RoHS-compliant)
̶ 8-lead PDIP, 8-lead JEDEC SOIC, 8-lead TSSOP, 8-pad UDFN, 5-lead
SOT23, and 8-ball VFBGA
Die Sale Options: Wafer Form and Tape and Reel Available
Description
The Atmel® AT24C01C/02C provides 1024/2048-bits of Serial Electrically
Erasable and Programmable Read-Only Memory (EEPROM) organized as
128/256 words of eight bits each. Both devices include a cascading feature that
allows up to eight devices to share a common 2-wire bus. These devices are
optimized for use in many industrial and commercial applications where low
power and low voltage operation are essential. The AT24C01C/02C are available
in space saving 8-lead PDIP, 8-lead JEDEC SOIC, 8-lead TSSOP, 8-lead UDFN,
5-lead SOT23, and 8-ball VFBGA packages. In addition, the entire family
operates from 1.7V to 5.5V VCC.
Atmel-8700H-SEEPROM-AT24C01C-02C-Datasheet_122016


Atmel Electronic Components Datasheet

AT24C01C Datasheet

EEPROM

No Preview Available !

AT24C01C pdf
1. Pin Configurations and Pinouts
Table 1-1. Pin Descriptions
Pin
Number
1, 2, 3
4
5
6
7
8
Pin
Symbol
A0 – A2
GND
SDA
SCL
WP
VCC
Pin Name and Functional Description
Address Inputs: The A2, A1, and A0 pins are device address inputs that
are hard wired. As many as eight 1-Kbit or 2-Kbit devices may be
addressed on a single bus system.
Ground: The ground reference for the power supply. GND should be
connected to the system ground.
Serial Data: The SDA pin is bidirectional for serial data transfer. This pin
is open drain driven and may be wire-ORed with any number of other
open drain or open collector devices.
Serial Clock Input: The SCL input is used to positive edge clock data
into each EEPROM device and negative edge clock data out of each
device.
Write Protect: Provides hardware data protection. The Write Protect pin
allows normal read/write operations when connected to Ground (GND).
When the Write Protect pin is connected to VCC, the write protection
feature is enabled and operates as shown in Table 5-1.
Device Power Supply: The VCC pin is used to supply the source voltage
to the device. Operations at invalid VCC voltages may produce spurious
results and should not be attempted.
Asserted
State
Pin
Type
Input
Power
Input/
Output
Input
Input
Power
Note: 1. For use of 5-lead SOT23, the software A2, A1, and A0 bits in the device address word must be set to zero to
properly communicate.
8-lead SOIC
A0
A1
A2
GND
18
27
36
45
Top View
VCC
WP
SCL
SDA
8-lead PDIP
A0
A1
A2
GND
1
2
3
4
8 VCC
7 WP
6 SCL
5 SDA
Top View
8-lead TSSOP
A0
A1
A2
GND
1 8 VCC
2 7 WP
3 6 SCL
4 5 SDA
Top View
5-lead SOT23
SCL
GND
15
2
WP
SDA
34
VCC
Top View
8-pad UDFN
A0
A1
A2
GND
1
2
3
4
8 VCC
7 WP
6 SCL
5 SDA
Top View
8-ball VFBGA
A0
A1
A2
GND
1
2
3
4
8 VCC
7 WP
6 SCL
5 SDA
Top View
Note: Package drawings are not to scale.
2 AT24C01C/02C [DATASHEET]
Atmel-8700H-SEEPROM-AT24C01C-02C-Datasheet_122016


Part Number AT24C01C
Description EEPROM
Maker ATMEL Corporation
Total Page 22 Pages
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