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Atmel Electronic Components Datasheet



AT24C32D

I2C-Compatible (2-Wire) Serial EEPROM


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AT24C32D pdf
AT24C32D
I2C-Compatible (2-Wire) Serial EEPROM
32-Kbit (4,096 x 8)
DATASHEET
Features
Low-voltage and Standard-voltage Operation
̶ VCC = 1.7V to 5.5V
Internally Organized as 4,096 x 8 (32K)
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 Protection
32-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
Lead-free/Halogen-free devices Available
Green Package Options (Pb/Halide-free/RoHS Compliant)
̶ 8-lead JEDEC SOIC, 8-lead TSSOP, 8-pad UDFN, 8-pad XDFN, 5-lead
SOT23, 5-ball WLCSP, and 8-ball VFBGA packages
Die Sale Options: Wafer Form, Waffle Pack, and Bumped Wafers
Description
The Atmel® AT24C32D provides 32,768 bits of Serial Electrically Erasable and
Programmable Read-Only Memory (EEPROM) organized as 4,096 words of 8 bits
each. The device’s cascading feature allows up to eight devices to share a
common 2-wire bus. The device is optimized for use in many industrial and
commercial applications where low-power and low-voltage operation are
essential. The devices are available in space-saving 8-lead JEDEC SOIC, 8-lead
TSSOP, 8-pad UDFN, 8-pad XDFN, 5-lead SOT23, 5-ball WLCSP, and 8-ball
VFBGA packages. In addition, this device operates from 1.7V to 5.5V.
Atmel-8866C-SEEPROM-AT24C32D-Datasheet_122015



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AT24C32D pdf
1. Pin Configurations and Pinouts
Table 1-1. Pin Configuration
Pin
A0
A1
A2
GND
SDA
SCL
WP
VCC
Function
Address Input
Address Input
Address Input
Ground
Serial Data
Serial Clock Input
Write Protect
Device Power Supply
Note:
When using the 5-lead SOT-23 or the
5-ball WLCSP, the software bits A2,
A1, and A0 must be set to Logic 0 to
properly communicate with the device.
A0
A1
A2
GND
8-lead SOIC
18
27
36
45
VCC
WP
SCL
SDA
A0
A1
A2
GND
8-lead TSSOP
18
27
36
45
Top View
VCC
WP
SCL
SDA
8-pad UDFN/XDFN
A0 1
A1 2
A2 3
GND 4
8 VCC
7 WP
6 SCL
5 SDA
Top View
(1)
5-lead SOT23
SCL
GND
SDA
15
2
34
Top View
WP
VCC
(1)
5-ball WLCSP
8-ball VFBGA
GND SDA
SCL
WP VCC
Ball Side View
VCC 8
WP 7
SCL 6
SDA 5
1 A0
2 A1
3 A2
4 GND
Bottom View
* Note: Drawings are not to scale
2. 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 . . . . . . . . . . . . . . . -1.0 V +7.0V
Maximum Operating Voltage . . . . . . . . . . . . . . . 6.25V
DC Output Current . . . . . . . . . . . . . . . . . . . . . . .5.0mA
*Notice: Stresses beyond those listed under “Absolute
Maximum Ratings” may cause permanent
damage 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 are not implied. Exposure to
absolute maximum rating conditions for
extended periods may affect device reliability.
2 AT24C32D [DATASHEET]
Atmel-8866C-SEEPROM-AT24C32D-Datasheet_122015



Part Number AT24C32D
Description I2C-Compatible (2-Wire) Serial EEPROM
Maker ATMEL - ATMEL
Total Page 24 Pages
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