CAT24C128(2009) 데이터 시트보기 (PDF) - ON Semiconductor
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CAT24C128 Datasheet PDF : 14 Pages
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CAT24C128
128 kb I2C CMOS Serial
EEPROM
Description
The CAT24C128 is a 128 kb Serial CMOS EEPROM, internally
organized as 16,384 words of 8 bits each.
It features a 64−byte page write buffer and supports both the
Standard (100 kHz) as well as Fast (400 kHz) I2C protocol.
Write operations can be inhibited by taking the WP pin High (this
protects the entire memory).
Features
• Supports Standard and Fast I2C Protocol
• 1.8 V to 5.5 V Supply Voltage Range
• 64−Byte Page Write Buffer
• Hardware Write Protection for Entire 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 and Extended Temperature Range
• 8−lead PDIP, SOIC, TSSOP, MSOP and UDFN Packages
• This Device is Pb−Free, Halogen Free/BFR Free and RoHS
Compliant*
VCC
SCL
A2, A1, A0
WP
CAT24C128
SDA
VSS
Figure 1. Functional Symbol
*For additional information on our Pb−Free strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
http://onsemi.com
PDIP−8
L SUFFIX
CASE 646AA
TSSOP−8
Y SUFFIX
CASE 948AL
SOIC−8
W SUFFIX
CASE 751BD
MSOP−8
Z SUFFIX
CASE 846AD
UDFN−8
HU3 SUFFIX
CASE 517AX
PIN CONFIGURATION
A0
1
VCC
A1
WP
A2
SCL
VSS
SDA
PDIP (L), SOIC (W), TSSOP (Y),
MSOP (Z), UDFN (HU3)
For the location of Pin 1, please consult the
corresponding package drawing.
Pin Name
A0, A1, A2
SDA
SCL
WP
VCC
VSS
PIN FUNCTION
Function
Device Address Inputs
Serial Data Input/Output
Serial Clock Input
Write Protect Input
Power Supply
Ground
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
1
September, 2009 − Rev. 11
Publication Order Number:
CAT24C128/D
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