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CAT24WC257X-1.8TE13 数据表(PDF) 1 Page - Catalyst Semiconductor

部件名 CAT24WC257X-1.8TE13
功能描述  256K-Bit I2C Serial CMOS EEPROM
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制造商  CATALYST [Catalyst Semiconductor]
网页  http://www.catalyst-semiconductor.com
标志 CATALYST - Catalyst Semiconductor

CAT24WC257X-1.8TE13 数据表(HTML) 1 Page - Catalyst Semiconductor

  CAT24WC257X-1.8TE13 Datasheet HTML 1Page - Catalyst Semiconductor CAT24WC257X-1.8TE13 Datasheet HTML 2Page - Catalyst Semiconductor CAT24WC257X-1.8TE13 Datasheet HTML 3Page - Catalyst Semiconductor CAT24WC257X-1.8TE13 Datasheet HTML 4Page - Catalyst Semiconductor CAT24WC257X-1.8TE13 Datasheet HTML 5Page - Catalyst Semiconductor CAT24WC257X-1.8TE13 Datasheet HTML 6Page - Catalyst Semiconductor CAT24WC257X-1.8TE13 Datasheet HTML 7Page - Catalyst Semiconductor CAT24WC257X-1.8TE13 Datasheet HTML 8Page - Catalyst Semiconductor CAT24WC257X-1.8TE13 Datasheet HTML 9Page - Catalyst Semiconductor Next Button
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1
© 2004 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
Doc. No. 1030, Rev. E
ALO
GEN FR
TM
LEAD FREE
A1
NC
VSS
A1
NC
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
VSS
A0
PIN FUNCTIONS
Pin Name
Function
A0, A1
Address Inputs
SDA
Serial Data/Address
SCL
Serial Clock
WP
Write Protect
VCC
+1.8V to +6.0V Power Supply
VSS
Ground
NC
No Connect
DESCRIPTION
The CAT24WC257 is a 256K-bit Serial CMOS EEPROM
internally organized as 32,768 words of 8 bits each.
Catalyst’s advanced CMOS technology substantially
reduces device power requirements. The CAT24WC257
* Catalyst Semiconductor is licensed by Philips Corporation to carry the I2C Bus Protocol.
I Write protect feature
– Top 1/4 array protected when WP at V
IH
I 100,000 program/erase cycles
I 100 year data retention
I 8-pin DIP or 8-pin SOIC
I "Green" package options available
features a 64-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
CAT24WC257
256K-Bit I2C Serial CMOS EEPROM
I 1MHz I2C bus compatible*
I 1.8 to 6 volt operation
I Low power CMOS technology
I 64-Byte page write buffer
I Self-timed write cycle with auto-clear
I Commercial, industrial and automotive
temperature ranges
FEATURES
DIP Package (P, L)
SOIC Package (J, W, K, X)
DOUT
ACK
SENSE AMPS
SHIFT REGISTERS
CONTROL
LOGIC
WORD ADDRESS
BUFFERS
START/STOP
LOGIC
STATE COUNTERS
SLAVE
ADDRESS
COMPARATORS
EEPROM
512X512
VCC
EXTERNAL LOAD
COLUMN
DECODERS
XDEC
DATA IN STORAGE
HIGH VOLTAGE/
TIMING CONTROL
VSS
WP
SCL
SDA
512
512
A0
A1
(CAT24WC257 not recommended for new designs. See CAT24FC257 data sheet.)


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