CAT24WC66 Datasheet, PDF (1/11 Pages) Catalyst Semiconductor – 64K-Bit I2C Serial CMOS EEPROM

CAT24WC66
64-Kb I²C Serial EEPROM
with Partial Array Write
Protection
Description
The CAT24WC66 is a 64−Kb Serial CMOS EEPROM internally
organized as 8192 words of 8 bits each. ON Semiconductor’s
advanced CMOS technology substantially reduces device power
requirements. The CAT24WC66 features a 32−byte page write buffer.
The device operates via the I²C bus serial interface and is available in
8−pin PDIP or 8−pin SOIC packages.
Features
• 400 kHz I²C Bus
• 1.8 V to 5.5 V Supply Voltage Range
• Cascadable for up to Eight Devices
• 32−byte Page Write Buffer
• Self−timed Write Cycle with Auto−clear
• Schmitt Trigger Inputs for Noise Protection
• Write Protection
− Top 1/4 Array Protected when WP at V_IH
• 1,000,000 Program/Erase Cycles
• 100 Year Data Retention
• Industrial and Automotive Temperature Ranges
• This Device is Pb−Free, Halogen Free/BFR Free, and RoHS
Compliant
V_CC
SCL
A₂, A₁, A₀
WP
CAT24CW66
SDA
V_SS
Figure 1. Functional Symbol
http://onsemi.com
PDIP−8
L SUFFIX
CASE 646AA
SOIC−8
W or X SUFFIX
CASE 751BD
PIN CONFIGURATIONS
A₀
1
V_CC
A₁
WP
A₂
SCL
V_SS
SDA
DIP Package (L)
A₀
1
A₁
V_CC
WP
A₂
SCL
V_SS
SDA
SOIC Package (W, X)
Pin Name
A0, A1, A2
SDA
SCL
WP
V_CC
V_SS
PIN FUNCTION
Function
Device Address Inputs
Serial Data/Address
Serial Clock
Write Protect
Power Supply
Ground
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 11 of this data sheet.
© Semiconductor Components Industries, LLC, 2009
1
August, 2009 − Rev. 10
Publication Order Number:
CAT24WC66/D