Electronic Components Datasheet Search
  English  ▼
ALLDATASHEET.COM

X  

X4043S8IZ Datasheet(PDF) 6 Page - Intersil Corporation

Part # X4043S8IZ
Description  CPU Supervisor with 4kbit EEPROM
Download  24 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  INTERSIL [Intersil Corporation]
Direct Link  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

X4043S8IZ Datasheet(HTML) 6 Page - Intersil Corporation

Back Button X4043S8IZ Datasheet HTML 2Page - Intersil Corporation X4043S8IZ Datasheet HTML 3Page - Intersil Corporation X4043S8IZ Datasheet HTML 4Page - Intersil Corporation X4043S8IZ Datasheet HTML 5Page - Intersil Corporation X4043S8IZ Datasheet HTML 6Page - Intersil Corporation X4043S8IZ Datasheet HTML 7Page - Intersil Corporation X4043S8IZ Datasheet HTML 8Page - Intersil Corporation X4043S8IZ Datasheet HTML 9Page - Intersil Corporation X4043S8IZ Datasheet HTML 10Page - Intersil Corporation Next Button
Zoom Inzoom in Zoom Outzoom out
 6 / 24 page
background image
6
FN8118.2
March 16, 2006
Setting a VTRIP Voltage
There are two procedures used to set the threshold
voltages (VTRIP), depending if the threshold voltage to
be stored is higher or lower than the present value. For
example, if the present VTRIP is 2.9 V and the new
VTRIP is 3.2 V, the new voltage can be stored directly
into the VTRIP cell. If however, the new setting is to be
lower than the present setting, then it is necessary to
“reset” the VTRIP voltage before setting the new value.
Setting a Higher VTRIP Voltage
To set a VTRIP threshold to a new voltage which is
higher than the present threshold, the user must apply
the desired VTRIP threshold voltage to the VCC. Then,
a programming voltage (Vp) must be applied to the
WP pin before a START condition is set up on SDA.
Next, issue on the SDA pin the Slave Address A0h,
followed by the Byte Address 01h for VTRIP and a 00h
Data Byte in order to program VTRIP . The STOP bit
following a valid write operation initiates the program-
ming sequence. WP pin must then be brought LOW to
complete the operation.
To check if the VTRIP has been set, first power-down
the device. Slowly ramp up VCC and observe when the
output, RESET (4043) or RESET (4045) switches. The
voltage at which this occurs is the VTRIP (actual) (see
Figure 2).
CASE A
Now if the desired VTRIP is greater than the VTRIP
(actual), then add the difference between VTRIP
(desired) - VTRIP (actual) to the original VTRIP desired.
This is your new VTRIP that should be applied to VCC
and the whole sequence should be repeated again
(see Figure 5).
CASE B
Now if the VTRIP (actual), is higher than the VTRIP
(desired), perform the reset sequence as described in
the next section. The new VTRIP voltage to be applied to
VCC will now be: VTRIP (desired) - (VTRIP (actual)-VTRIP
(desired)).
Note: This operation does not corrupt the memory
array.
Setting a Lower VTRIP Voltage
In order to set VTRIP to a lower voltage than the
present value, then VTRIP must first be “reset” accord-
ing to the procedure described below. Once VTRIP has
been “reset”, then VTRIP can be set to the desired volt-
age using the procedure described in “Setting a Higher
VTRIP Voltage”.
Resetting the VTRIP Voltage
To reset a VTRIP voltage, apply the programming volt-
age (Vp) to the WP pin before a START condition is
set up on SDA. Next, issue on the SDA pin the Slave
Address A0h followed by the Byte Address 03h fol-
lowed by 00h for the Data Byte in order to reset VTRIP.
The STOP bit following a valid write operation initiates
the programming sequence. Pin WP must then be
brought LOW to complete the operation.
After being reset, the value of VTRIP becomes a nomi-
nal value of 1.7V or lesser.
Note: This operation does not corrupt the memory
array.
X4043, X4045


Similar Part No. - X4043S8IZ

ManufacturerPart #DatasheetDescription
logo
Intersil Corporation
X4043S8IZ INTERSIL-X4043S8IZ Datasheet
373Kb / 24P
   CPU Supervisor with 4kbit EEPROM
logo
Renesas Technology Corp
X4043S8IZ RENESAS-X4043S8IZ Datasheet
908Kb / 24P
   4k, 512 x 8 Bit CPU Supervisor with 4kbit EEPROM
logo
Intersil Corporation
X4043S8IZ INTERSIL-X4043S8IZ Datasheet
420Kb / 24P
   CPU Supervisor with 4kbit EEPROM
December 9, 2015
X4043S8IZ-2.7 INTERSIL-X4043S8IZ-2.7 Datasheet
373Kb / 24P
   CPU Supervisor with 4kbit EEPROM
logo
Renesas Technology Corp
X4043S8IZ-2.7 RENESAS-X4043S8IZ-2.7 Datasheet
908Kb / 24P
   4k, 512 x 8 Bit CPU Supervisor with 4kbit EEPROM
More results

Similar Description - X4043S8IZ

ManufacturerPart #DatasheetDescription
logo
Intersil Corporation
X4043 INTERSIL-X4043 Datasheet
373Kb / 24P
   CPU Supervisor with 4kbit EEPROM
X4043-45 INTERSIL-X4043-45 Datasheet
420Kb / 24P
   CPU Supervisor with 4kbit EEPROM
December 9, 2015
logo
Renesas Technology Corp
X40430 RENESAS-X40430 Datasheet
1,014Kb / 26P
   4Kbit EEPROM Triple Voltage Monitor with Integrated CPU Supervisor
May 24, 2006
logo
Xicor Inc.
X40430 XICOR-X40430 Datasheet
419Kb / 24P
   4kbit EEPROM, Triple Voltage Monitor with Integrated CPU Supervisor
logo
Renesas Technology Corp
X40410 RENESAS-X40410 Datasheet
914Kb / 24P
   4kbit EEPROM Dual Voltage Monitor with Integrated CPU Supervisor
March 28, 2005
X4043 RENESAS-X4043 Datasheet
908Kb / 24P
   4k, 512 x 8 Bit CPU Supervisor with 4kbit EEPROM
logo
Intersil Corporation
X4323 INTERSIL-X4323_06 Datasheet
342Kb / 22P
   CPU Supervisor with 32k EEPROM
X4163 INTERSIL-X4163_06 Datasheet
352Kb / 22P
   CPU Supervisor with 16K EEPROM
X4163 INTERSIL-X4163 Datasheet
333Kb / 21P
   CPU Supervisor with 16K EEPROM
X4283 INTERSIL-X4283_06 Datasheet
344Kb / 22P
   CPU Supervisor with 128K EEPROM
More results


Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24


Datasheet Download

Go To PDF Page


Link URL




Privacy Policy
ALLDATASHEET.COM
Does ALLDATASHEET help your business so far?  [ DONATE ] 

About Alldatasheet   |   Advertisement   |   Datasheet Upload   |   Contact us   |   Privacy Policy   |   Link Exchange   |   Manufacturer List
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