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CAT25020 Datasheet(Hoja de datos) 1 Page - Catalyst Semiconductor

No. de Pieza. CAT25020
Descripción  1K/2K/4K SPI Serial CMOS EEPROM
Descarga  18 Pages
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Fabricante  CATALYST [Catalyst Semiconductor]
Página de inicio  http://www.catalyst-semiconductor.com
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1
© 2006 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
Doc. No. 1006, Rev. S
FEATURES
I 10 MHz SPI compatible
I 1.8 to 5.5 volt operation
I SPI modes (00 & 11)
I 16-byte page write buffer
I Self-timed write cycle
I Hardware and software protection
I Block write protection
– Protect 1/4, 1/2 or all of EEPROM array
I Low power CMOS technology
I 1,000,000 program/erase cycles
I 100 year data retention
I Industrial temperature range
I RoHS-compliant 8-lead PDIP, SOIC, TSSOP
and 8-pad TDFN packages.
PIN CONFIGURATION
PIN FUNCTIONS
Pin Name
Function
SO
Serial Data Output
SCK
Serial Clock
WP
Write Protect
VCC
+1.8V to +5.5V Power Supply
VSS
Ground
CS
Chip Select
SI
Serial Data Input
HOLD
Suspends Serial Input
CAT25010, CAT25020, CAT25040
1K/2K/4K SPI Serial CMOS EEPROM
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). 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.
PDIP (L)
SOIC (V)
TSSOP (Y)
TDFN (VP2)
8
7
6
5
VCC
HOLD
SCK
SI
WP
CS
SO
VSS
1
2
3
4
FUNCTIONAL SYMBOL
VCC
VSS
SO
SI
CS
WP
HOLD
SCK
CAT25010
CAT25020
CAT25040
For Ordering Information details, see page 17.




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