Electronic Components Datasheet Search
  English  ▼
ALLDATASHEET.NET

X  

BQ4845 Datasheet(PDF) 2 Page - Texas Instruments

Click here to check the latest version.
Part # BQ4845
Description  Parallel RTC With CPU Supervisor
Download  22 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

BQ4845 Datasheet(HTML) 2 Page - Texas Instruments

  BQ4845 Datasheet HTML 1Page - Texas Instruments BQ4845 Datasheet HTML 2Page - Texas Instruments BQ4845 Datasheet HTML 3Page - Texas Instruments BQ4845 Datasheet HTML 4Page - Texas Instruments BQ4845 Datasheet HTML 5Page - Texas Instruments BQ4845 Datasheet HTML 6Page - Texas Instruments BQ4845 Datasheet HTML 7Page - Texas Instruments BQ4845 Datasheet HTML 8Page - Texas Instruments BQ4845 Datasheet HTML 9Page - Texas Instruments Next Button
Zoom Inzoom in Zoom Outzoom out
 2 / 22 page
background image
Functional Description
Figure 1 is a block diagram of the bq4845. The follow-
ing sections describe the bq4845 functional operation
including clock interface, data-retention modes,
power-on reset timing, watchdog timer activation, and
interrupt generation.
2
Figure 1. Block Diagram
VCC
CS
OE
WE
CEOUT
VOUT
Mode
DQ
Power
<VCC (max.)
VIH
XX
CEIN
VOUT1
Deselect
High Z
Standby
VIL
XVIL
CEIN
VOUT1
Write
DIN
Active
>VCC (min.)
VIL
VIL
VIH
CEIN
VOUT1
Read
DOUT
Active
VIL
VIH
VIH
CEIN
VOUT1
Read
High Z
Active
<VPFD (min.) > VSO
XXX
VOH
VOUT1
Deselect
High Z
CMOS standby
≤ VSO
XXX
VOHB
VOUT2
Deselect
High Z
Battery-backup mode
Truth Table
Aug. 1995
bq4845/bq4845Y


Similar Part No. - BQ4845

ManufacturerPart #DatasheetDescription
logo
Texas Instruments
BQ4845 TI1-BQ4845 Datasheet
1Mb / 24P
[Old version datasheet]   Parallel RTC With CPU Supervisor
BQ4845P-A4 TI1-BQ4845P-A4 Datasheet
1Mb / 24P
[Old version datasheet]   Parallel RTC With CPU Supervisor
BQ4845S-A4 TI1-BQ4845S-A4 Datasheet
1Mb / 24P
[Old version datasheet]   Parallel RTC With CPU Supervisor
BQ4845S-A4G4 TI1-BQ4845S-A4G4 Datasheet
1Mb / 24P
[Old version datasheet]   Parallel RTC With CPU Supervisor
BQ4845S-A4N TI1-BQ4845S-A4N Datasheet
1Mb / 24P
[Old version datasheet]   Parallel RTC With CPU Supervisor
More results

Similar Description - BQ4845

ManufacturerPart #DatasheetDescription
logo
Texas Instruments
BQ4845 TI1-BQ4845_14 Datasheet
1Mb / 24P
[Old version datasheet]   Parallel RTC With CPU Supervisor
BQ4847 TI-BQ4847_07 Datasheet
247Kb / 6P
[Old version datasheet]   RTC Module With CPU Supervisor
BQ4847 TI-BQ4847 Datasheet
224Kb / 5P
[Old version datasheet]   RTC Module With CPU Supervisor
BQ4802YDWRG4 TI1-BQ4802YDWRG4 Datasheet
920Kb / 26P
[Old version datasheet]   PARALLEL REAL-TIME CLOCK WITH CPU SUPERVISOR
logo
Intersil Corporation
X1227 INTERSIL-X1227_06 Datasheet
405Kb / 28P
   2-Wire??RTC Real TimeClock/Calendar/ CPU Supervisor with EEPROM
logo
Renesas Technology Corp
X1227 RENESAS-X1227 Datasheet
1Mb / 28P
   2-Wire??RTC Real TimeClock/Calendar/CPU Supervisor with EEPROM
logo
Intersil Corporation
X1227 INTERSIL-X1227 Datasheet
422Kb / 28P
   2-Wire RTC Real TimeClock/Calendar/CPU Supervisor with EEPROM
X1288 INTERSIL-X1288 Datasheet
428Kb / 27P
   2-Wire??RTC Real Time Clock/Calendar/CPU Supervisor with EEPROM
logo
Xicor Inc.
X1288 XICOR-X1288 Datasheet
560Kb / 31P
   2-Wire RTC Real Time Clock/Calendar/CPU Supervisor with EEPROM
logo
Renesas Technology Corp
X1288 RENESAS-X1288 Datasheet
1Mb / 27P
   2-Wire??RTC Real Time Clock/Calendar/CPU Supervisor with 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


Datasheet Download

Go To PDF Page


Link URL




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

About Alldatasheet   |   Advertisement   |   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