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CAT25256VIG

Description
32K X 8 SPI BUS SERIAL EEPROM, PDSO8
Categorystorage   
File Size220KB,20 Pages
ManufacturerON Semiconductor
Websitehttp://www.onsemi.cn
Download Datasheet Parametric View All

CAT25256VIG Overview

32K X 8 SPI BUS SERIAL EEPROM, PDSO8

CAT25256VIG Parametric

Parameter NameAttribute value
Number of functions1
Number of terminals8
Maximum operating temperature85 Cel
Minimum operating temperature-40 Cel
Maximum supply/operating voltage5.5 V
Minimum supply/operating voltage1.8 V
Rated supply voltage5 V
maximum clock frequency5 MHz
Processing package description0.150 INCH, HALOGEN FREE AND ROHS COMPLIANT, MS-012, SOIC-8
Lead-freeYes
EU RoHS regulationsYes
China RoHS regulationsYes
stateACTIVE
CraftsmanshipCMOS
packaging shapeRectangle
Package SizeSMALL OUTLINE
surface mountYes
Terminal formGULL WING
Terminal spacing1.27 mm
terminal coatingNickel Palladium
Terminal locationpair
Packaging MaterialsPlastic/Epoxy
Temperature levelINDUSTRIAL
memory width8
organize32K × 8
storage density262144 deg
operating modeSynchronize
Number of digits32768 words
Number of digits32K
Memory IC typebus serial electrically erasable read-only memory
serial parallelserial
Maximum TWC of write cycle5 ms
CAT25256
256-Kb SPI Serial CMOS
EEPROM
Description
The CAT25256 is a 256−Kb Serial CMOS EEPROM device
internally organized as 32Kx8 bits. This features a 64−byte page write
buffer and supports the Serial Peripheral Interface (SPI) protocol. The
device is enabled through a Chip Select (CS) input. In addition, the
required bus signals are clock input (SCK), data input (SI) and data
output (SO) lines. The HOLD input may be used to pause any serial
communication with the CAT25256 device. The device features
software and hardware write protection, including partial as well as
full array protection.
On−Chip ECC (Error Correction Code) makes the device suitable
for high reliability applications.*
Features
http://onsemi.com
SOIC−8
V SUFFIX
CASE 751BD
UDFN−8
HU4 SUFFIX
CASE 517AZ
SOIC−8
X SUFFIX
CASE 751BE
20 MHz (5 V) SPI Compatible
1.8 V to 5.5 V Supply Voltage Range
SPI Modes (0,0) & (1,1)
64−byte Page Write Buffer
Additional Identification Page with Permanent Write Protection
(New Product)
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 and Extended Temperature Range
8−lead PDIP, SOIC, TSSOP and 8−pad UDFN and TDFN Packages
This Device is Pb−Free, Halogen Free/BFR Free, and RoHS
Compliant
V
CC
PDIP−8
L SUFFIX
CASE 646AA
TSSOP−8
Y SUFFIX
CASE 948AL
TDFN−8**
ZD2 SUFFIX
CASE 511AM
PIN CONFIGURATIONS
CS
SO
WP
V
SS
1
V
CC
HOLD
SCK
SI
PDIP (L), SOIC (V, X), TSSOP (Y),
UDFN (HU4), TDFN** (ZD2)
(Top View)
** Not recommended for new designs.
PIN FUNCTION
Pin Name
CS
SO
WP
V
SS
Function
Chip Select
Serial Data Output
Write Protect
Ground
Serial Data Input
Serial Clock
Hold Transmission Input
Power Supply
SI
CS
WP
HOLD
SCK
V
SS
CAT25256
SO
SI
SCK
HOLD
V
CC
†The exposed pad for the TDFN/UDFN packages can
be left floating or connected to Ground.
Figure 1. Functional Symbol
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 20 of this data sheet.
* Available for New Product (Rev. E)
©
Semiconductor Components Industries, LLC, 2012
September, 2012
Rev. 7
1
Publication Order Number:
CAT25256/D
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