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CAT25080 Datasheet(Hoja de datos) 1 Page - Catalyst Semiconductor

No. de Pieza. CAT25080
Descripción  8-Kb and 16-Kb SPI Serial CMOS EEPROM
Descarga  17 Pages
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Fabricante  CATALYST [Catalyst Semiconductor]
Página de inicio  http://www.catalyst-semiconductor.com
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CAT25080, CAT25160
© 2006 Catalyst Semiconductor, Inc.
1
Doc. No. 1122 Rev. A
Characteristics subject to change without notice
8-Kb and 16-Kb SPI Serial CMOS EEPROM
FEATURES
10 MHz SPI compatible
1.8V to 5.5V supply voltage range
SPI modes (0,0) & (1,1)
32-byte page write buffer
Self-timed write cycle
Hardware and software protection
Block write protection
– Protect 1/4, 1/2 or entire EEPROM array
Low power CMOS technology
1,000,000 program/erase cycles
100 year data retention
Industrial temperature range
RoHS-compliant 8 lead PDIP, SOIC, TSSOP and
8-pad TDFN, UDFN packages
PIN CONFIGURATION
PDIP (L)
SOIC (V)
TSSOP (Y)
TDFN (VP2)
UDFN (HU2)
CS
¯¯
1
8 VCC
SO
2
7 HOLD
¯¯¯¯¯
WP
¯¯¯
3
6 SCK
VSS 4
5 SI
PIN FUNCTION
Pin Name
Function
CS
¯¯
Chip Select
SO
Serial Data Output
WP
¯¯¯
Write Protect
VSS
Ground
SI
Serial Data Input
SCK
Serial Clock
HOLD
¯¯¯¯¯
Hold Transmission Input
VCC
Power Supply
DESCRIPTION
The CAT25080/25160 are 8-Kb/16-Kb Serial CMOS
EEPROM
devices
internally
organized
as
1024x8/2048x8 bits. They feature a 32-byte page
write buffer and support the Serial Peripheral Interface
(SPI) protocol. The device is enabled through a Chip
Select (CS
¯¯ ) input. In addition, the required bus signals
are a clock input (SCK), data input (SI) and data
output (SO) lines. The HOLD
¯¯¯¯¯ input may be used to
pause
any
serial
communication
with
the
CAT25080/25160 device. These devices feature
software and hardware write protection, including
partial as well as full array protection.
FUNCTIONAL SYMBOL
For Ordering Information details, see page 16.
CS
WP
HOLD
SI
SO
CAT25080
CAT25160
VCC
GND
SCK




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