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CAT25010 Datasheet(PDF) 1 Page - Catalyst Semiconductor

No. de Pieza. CAT25010
Descripción  1K/2K/4K SPI Serial CMOS EEPROM
Descarga  11 Pages
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Fabricante  CATALYST [Catalyst Semiconductor]
Página de inicio  http://www.catalyst-semiconductor.com
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CAT25010 Datasheet(HTML) 1 Page - Catalyst Semiconductor

 
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CAT25010/20/40
1K/2K/4K SPI Serial CMOS EEPROM
FEATURES
s 10 MHz SPI compatible
s 1.8 to 6.0 volt operation
s Hardware and software protection
s Low power CMOS technology
s SPI modes (0,0 & 1,1)*
s Commercial, industrial, automotive and extended
temperature ranges
s 1,000,000 program/erase cycles
s 100 year data retention
s Self-timed write cycle
s 8-Pin DIP/SOIC, 8-Pin TSSOP and 8-Pin MSOP
s 16-byte page write buffer
s Block write protection
– Protect 1/4, 1/2 or all of EEPROM array
PIN CONFIGURATION
DIP Package (P, L)
PIN FUNCTIONS
Pin Name
Function
SO
Serial Data Output
SCK
Serial Clock
WP
Write Protect
VCC
+1.8V to +6.0V Power Supply
VSS
Ground
CS
Chip Select
SI
Serial Data Input
HOLD
Suspends Serial Input
NC
No Connect
BLOCK DIAGRAM
© 2004 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
DESCRIPTION
The CAT25010/20/40 is a 1K/2K/4K Bit SPI Serial
CMOS EEPROM internally organized as 128x8/256x8/
512x8 bits. Catalyst’s advanced CMOS Technology
substantially reduces device power requirements. The
CAT25010/20/40 features a 16-byte page write buffer.
The device operates via the SPI bus serial interface and
is enabled though a Chip Select (
CS). In addition to the
Chip Select, the clock input (SCK), data in (SI) and data
out (SO) are required to access the device. The
HOLD
pin may be used to suspend any serial communication
without resetting the serial sequence. The CAT25010/
20/40 is designed with software and hardware write
protection features including Block Write protection. The
device is available in 8-pin DIP, 8-pin SOIC, 8-pin MSOP
and 8-pin TSSOP packages.
SOIC Package (S, V)
VSS
SO
WP
VCC
HOLD
SCK
SI
1
2
3
4
8
7
6
5
CS
SO
WP
CS
VCC
SCK
SI
1
2
3
4
8
7
6
5
VSS
HOLD
Doc. No. 1006, Rev. L
TSSOP Package (U, Y)
SO
WP
CS
VCC
SCK
SI
1
2
3
4
8
7
6
5
VSS
HOLD
MSOP Package (R, Z)*
*CAT 25010/20 only
SENSE AMPS
SHIFT REGISTERS
SPI
CONTROL
LOGIC
WORD ADDRESS
BUFFERS
I/O
CONTROL
E2PROM
ARRAY
COLUMN
DECODERS
XDEC
HIGH VOLTAGE/
TIMING CONTROL
SO
25C128 F02
STATUS
REGISTER
BLOCK
PROTECT
LOGIC
DATA IN
STORAGE
SI
CS
WP
HOLD
SCK
* Other SPI modes available on request.
ALO
GEN FR
TM
LEAD FREE
8
7
6
5
VCC
WP
SCK
CS
VSS
1
2
3
4
SO
HOLD
SI


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