Moteur de recherche de fiches techniques de composants électroniques
  French  ▼
ALLDATASHEET.FR

X  

CAT28C256GI-12T Fiches technique(PDF) 9 Page - ON Semiconductor

No de pièce CAT28C256GI-12T
Description  256 kb Parallel EEPROM
Download  14 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Fabricant  ONSEMI [ON Semiconductor]
Site Internet  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

CAT28C256GI-12T Fiches technique(HTML) 9 Page - ON Semiconductor

Back Button CAT28C256GI-12T Datasheet HTML 5Page - ON Semiconductor CAT28C256GI-12T Datasheet HTML 6Page - ON Semiconductor CAT28C256GI-12T Datasheet HTML 7Page - ON Semiconductor CAT28C256GI-12T Datasheet HTML 8Page - ON Semiconductor CAT28C256GI-12T Datasheet HTML 9Page - ON Semiconductor CAT28C256GI-12T Datasheet HTML 10Page - ON Semiconductor CAT28C256GI-12T Datasheet HTML 11Page - ON Semiconductor CAT28C256GI-12T Datasheet HTML 12Page - ON Semiconductor CAT28C256GI-12T Datasheet HTML 13Page - ON Semiconductor Next Button
Zoom Inzoom in Zoom Outzoom out
 9 / 14 page
background image
CAT28C256
http://onsemi.com
9
Hardware Data Protection
The following is a list of hardware data protection features
that are incorporated into the CAT28C256.
1. VCC sense provides for write protection when VCC
falls below 3.5 V min.
2. A power on delay mechanism, tINIT (see AC
characteristics), provides a 5 to 10 ms delay before
a write sequence, after VCC has reached 3.5 V
min.
3. Write inhibit is activated by holding any one of
OE low, CE high or WE high.
4. Noise pulses of less than 20 ns on the WE or CE
inputs will not result in a write cycle.
Software Data Protection
The CAT28C256 features a software controlled data
protection scheme which, once enabled, requires a data
algorithm to be issued to the device before a write can be
performed. The device is shipped from ON Semiconductor
with the software protection NOT ENABLED (the
CAT28C256 is in the standard operating mode).
WRITE DATA:
XX
WRITE LAST BYTE
TO
LAST ADDRESS
TO ANY ADDRESS
WRITE DATA:
AA
ADDRESS:
5555
WRITE DATA:
55
ADDRESS:
2AAA
WRITE DATA:
A0
ADDRESS:
5555
WRITE DATA:
AA
ADDRESS:
5555
WRITE DATA:
55
ADDRESS:
2AAA
WRITE DATA:
80
ADDRESS:
5555
WRITE DATA:
AA
ADDRESS:
5555
WRITE DATA:
55
ADDRESS:
2AAA
20
ADDRESS:
5555
Figure 10. Write Sequence for Activating
Software Data Protection
Figure 11. Write Sequence for Deactivating
Software Data Protection
WRITE DATA:
SOFTWARE DATA
PROTECTION ACTIVATED (Note 15)
15.Write protection is activated at this point whether or not any more writes are completed. Writing to addresses must occur within tBLC Max.,
after SDP activation.


Numéro de pièce similaire - CAT28C256GI-12T

FabricantNo de pièceFiches techniqueDescription
logo
Catalyst Semiconductor
CAT28C256GI-12T CATALYST-CAT28C256GI-12T Datasheet
530Kb / 12P
   256K-Bit Parallel EEPROM
More results

Description similaire - CAT28C256GI-12T

FabricantNo de pièceFiches techniqueDescription
logo
ON Semiconductor
CAT28C256LI12 ONSEMI-CAT28C256LI12 Datasheet
154Kb / 14P
   256 kb Parallel EEPROM
December, 2009 ??Rev. 6
CAT28C256GI12 ONSEMI-CAT28C256GI12 Datasheet
132Kb / 14P
   256 kb Parallel EEPROM
December, 2009 ??Rev. 6
CAT28C256N-20 ONSEMI-CAT28C256N-20 Datasheet
154Kb / 14P
   256 kb Parallel EEPROM
December, 2009 ??Rev. 6
CAT28C257 ONSEMI-CAT28C257 Datasheet
143Kb / 13P
   256 kb CMOS Parallel EEPROM
December, 2009 ??Rev. 6
CAV24C256 ONSEMI-CAV24C256_18 Datasheet
265Kb / 14P
   EEPROM Serial 256-Kb I2C
May, 2018 ??Rev. 1
CAT25256 ONSEMI-CAT25256_18 Datasheet
387Kb / 22P
   EEPROM Serial 256-Kb SPI
June, 2018 ??Rev. 11
CAT24C256 ONSEMI-CAT24C256_18 Datasheet
375Kb / 20P
   EEPROM Serial 256-Kb I2C
May, 2018 ??Rev. 15
CAV24C256 ONSEMI-CAV24C256 Datasheet
157Kb / 11P
   256-Kb CMOS Serial EEPROM
November, 2012 ??Rev. 0
CAT25256 ONSEMI-CAT25256 Datasheet
187Kb / 16P
   256-Kb SPI Serial CMOS EEPROM
September, 2012 ??Rev. 7
CAT25256 ONSEMI-CAT25256_15 Datasheet
151Kb / 19P
   256-Kb SPI Serial CMOS EEPROM
June, 2015 ??Rev. 8
More results


Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14


Fiches technique Télécharger

Go To PDF Page


Lien URL




Politique de confidentialité
ALLDATASHEET.FR
ALLDATASHEET vous a-t-il été utile ?  [ DONATE ] 

À propos de Alldatasheet   |   Publicité   |   Contactez-nous   |   Politique de confidentialité   |   Echange de liens   |   Fabricants
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com