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CAT24C03 Datasheet

2-Kb and 4-Kb I2C Serial EEPROM

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CAT24C03, CAT24C05
2-Kb and 4-Kb I2C Serial
EEPROM with Partial Array
Write Protection
Description
The CAT24C03/05 is a 2Kb/4Kb CMOS Serial EEPROM device
organized internally as 16/32 pages of 16 bytes each, for a total of
256x8/512x8 bits. These devices support both Standard (100 kHz) as
well as Fast (400 kHz) I2C protocol.
Data is written by providing a starting address, then loading 1 to 16
contiguous bytes into a Page Write Buffer, and then writing all data to
nonvolatile memory in one internal write cycle. Data is read by
providing a starting address and then shifting out data serially while
automatically incrementing the internal address count.
Write operations can be inhibited for upper half of memory by
taking the WP pin High.
External address pins make it possible to address up to eight
CAT24C03 or four CAT24C05 devices on the same bus.
Features
Supports Standard and Fast I2C Protocol
1.8 V to 5.5 V Supply Voltage Range
16Byte Page Write Buffer
Hardware Write Protection for Upper Half of Memory
Schmitt Triggers and Noise Suppression Filters on I2C Bus Inputs
(SCL and SDA)
Low Power CMOS Technology
1,000,000 Program/Erase Cycles
100 Year Data Retention
Industrial Temperature Range
These Devices are PbFree, Halogen Free/BFR Free and are RoHS
Compliant
VCC
SCL
A2, A1, A0
WP
CAT24C03
CAT24C05
SDA
VSS
Figure 1. Functional Symbol
http://onsemi.com
PDIP8
L SUFFIX
CASE 646AA
TSOT23
TD SUFFIX
CASE 419AE
SOIC8
W SUFFIX
CASE 751BD
TSSOP8
Y SUFFIX
CASE 948AL
TDFN8
VP2 SUFFIX
CASE 511AK
PIN CONFIGURATIONS
TSOT23 (TD)
SCL
VSS
SDA
15
2
34
WP
VCC
PDIP (L), SOIC (W),
TSSOP (Y), TDFN (VP2)
CAT24C05/03
NC/A0
1
8
VCC
A1/A1
27
WP
A2/A2
36
SCL
VSS 4 5 SDA
(Top Views)
Pin Name
A0, A1, A2
SDA
SCL
WP
VCC
VSS
NC
PIN FUNCTION
Function
Device Address Inputs
Serial Data Input/Output
Serial Clock Input
Write Protect Input
Power Supply
Ground
No Connect
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 14 of this data sheet.
© Semiconductor Components Industries, LLC, 2009
August, 2009 Rev. 3
1
Publication Order Number:
CAT24C03/D


  ON Semiconductor Electronic Components Datasheet  

CAT24C03 Datasheet

2-Kb and 4-Kb I2C Serial EEPROM

No Preview Available !

CAT24C03, CAT24C05
Table 1. ABSOLUTE MAXIMUM RATINGS
Parameters
Ratings
Units
Storage Temperature
65 to +150
°C
Voltage on any pin with respect to Ground (Note 1)
0.5 to +6.5
V
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
1. The DC input voltage on any pin should not be lower than 0.5 V or higher than VCC + 0.5 V. During transitions, the voltage on any pin may
undershoot to no less than 1.5 V or overshoot to no more than VCC + 1.5 V, for periods of less than 20 ns.
Table 2. RELIABILITY CHARACTERISTICS (Note 2)
Symbol
Parameter
Min Units
NEND (Note 3)
Endurance
1,000,000
Program / Erase Cycles
TDR Data Retention
100 Years
2. These parameters are tested initially and after a design or process change that affects the parameter according to appropriate AECQ100
and JEDEC test methods.
3. Page Mode, VCC = 5 V, 25°C.
Table 3. D.C. OPERATING CHARACTERISTICS
(VCC = 1.8 V to 5.5 V, TA = 40°C to +85°C, unless otherwise specified.)
Symbol
Parameter
Test Conditions
ICCR
ICCW
ISB
IL
VIL
VIH
VOL1
VOL2
Read Current
Write Current
Standby Current
I/O Pin Leakage
Input Low Voltage
Input High Voltage
Output Low Voltage
Output Low Voltage
Read, fSCL = 400 kHz
Write, fSCL = 400 kHz
All I/O Pins at GND or VCC
Pin at GND or VCC
VCC 2.5 V, IOL = 3 mA
VCC < 2.5 V, IOL = 1 mA
Min
0.5
VCC x 0.7
Max
1
1
1
1
VCC x 0.3
VCC + 0.5
0.4
0.2
Units
mA
mA
mA
mA
V
V
V
V
http://onsemi.com
2


Part Number CAT24C03
Description 2-Kb and 4-Kb I2C Serial EEPROM
Maker ON Semiconductor
PDF Download

CAT24C03 Datasheet PDF






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