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CAT24WC33 Datasheet(PDF) 1 Page - Catalyst Semiconductor

No. de Pieza. CAT24WC33
Descripción  32K/64K-Bit I2C Serial CMOS EEPROM
Descarga  12 Pages
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Fabricante  CATALYST [Catalyst Semiconductor]
Página de inicio  http://www.catalyst-semiconductor.com
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CAT24WC33 Datasheet(HTML) 1 Page - Catalyst Semiconductor

 
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Discontinued
Parts
© 2005 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
1
Doc. No. 1049, Rev. D
DOUT
ACK
SENSE AMPS
SHIFT REGISTERS
CONTROL
LOGIC
WORD ADDRESS
BUFFERS
START/STOP
LOGIC
STATE COUNTERS
SLAVE
ADDRESS
COMPARATORS
E2PROM
128/256 X 256
VCC
EXTERNAL LOAD
COLUMN
DECODERS
XDEC
DATA IN STORAGE
HIGH VOLTAGE/
TIMING CONTROL
VSS
WP
SCL
A0
A1
A2
SDA
128/256
256
VCC
WP
SCL
SDA
1
2
3
4
8
7
6
5
A0
VCC
WP
SCL
SDA
1
2
3
4
8
7
6
5
A1
A2
VSS
A0
A1
A2
VSS
DESCRIPTION
The CAT24WC33/65 is a 32K/64K-bit Serial CMOS
E2PROM internally organized as 4096/8192 words of 8
bits each. Catalyst’s advanced CMOS technology sub-
stantially reduces device power requirements. The
* Catalyst Semiconductor is licensed by Philips Corporation to carry the I2C Bus Protocol.
I Commercial, Industrial and Automotive Tem-
perature Ranges
I Write Protection
–Bottom 1/4 Array Protected When WP at V
IH
I 1,000,000 Program/Erase Cycles
I 100 Year Data Retention
CAT24WC33/65 features a 32-byte page write buffer.
The device operates via the I2C bus serial interface and
is available in 8-pin DIP or 8-pin SOIC packages.
PIN CONFIGURATION
BLOCK DIAGRAM
PIN FUNCTIONS
Pin Name
Function
A0, A1, A2
Device Address Inputs
SDA
Serial Data/Address
SCL
Serial Clock
WP
Write Protect
VCC
+1.8V to +5.5V Power Supply
VSS
Ground
I 400 KHz I2C Bus Compatible*
I 1.8 to 5.5 Volt Read and Write Operation
I Cascadable for up to Eight Devices
I 32/64-Byte Page Write Buffer
I Self-Timed Write Cycle with Auto-Clear
I 8-Pin DIP or 8-Pin SOIC
I Schmitt Trigger Inputs for Noise Protection
FEATURES
DIP Package (P, L)
SOIC Package (J, W, K, X)
CAT24WC33/65
32K/64K-Bit I2C Serial CMOS EEPROM


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