Electronic Components Datasheet Search
  English  ▼
ALLDATASHEET.COM

X  

Preview PDF HTML

PD557 Datasheet(PDF) 20 Page - Texas Instruments

Part # PD557
Description  REMOTE 8-BIT I2C AND SMBus LOW-POWER I/O EXPANDER WITH RESET AND CONFIGURATION REGISTERS
PDF  36 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

PD557 Datasheet(HTML) 20 Page - Texas Instruments

Back Button PD557 Datasheet HTML 16Page - Texas Instruments PD557 Datasheet HTML 17Page - Texas Instruments PD557 Datasheet HTML 18Page - Texas Instruments PD557 Datasheet HTML 19Page - Texas Instruments PD557 Datasheet HTML 20Page - Texas Instruments PD557 Datasheet HTML 21Page - Texas Instruments PD557 Datasheet HTML 22Page - Texas Instruments PD557 Datasheet HTML 23Page - Texas Instruments PD557 Datasheet HTML 24Page - Texas Instruments Next Button
Zoom Inzoom in Zoom Outzoom out
 20 / 36 page
background image
APPLICATION INFORMATION
P0
P1
P2
P3
P4
P5
P6
P7
(5 V)
SCL
SDA
GND
SCL
SDA
PCA9557
A2
A1
A0
GND
INT
ALARM
Controlled Switch
(e.g., CBT Device)
ENABLE
1.8 k
1.8 k
620
A
B
2 k
10 k
100 k
( 5)
X
RESET
VCC
VCC
VCC
GND
RESET
RESET
Subsystem 1
2 k
Subsystem 2
(e.g., Counter)
Subsystem 3
(e.g., Alarm System)
Master
Controller
PCA9557
SCPS133I – DECEMBER 2005 – REVISED JUNE 2008.................................................................................................................................................... www.ti.com
Figure 14 shows an application in which the PCA9557 can be used.
A.
Device address is configured as 0011100 for this example.
B.
P1, P4, and P5 are configured as inputs.
C.
P0, P2, and P3 are configured as outputs.
D.
P6 and P7 are not used and must be configured as outputs.
Figure 14. Typical Application
20
Submit Documentation Feedback
Copyright © 2005–2008, Texas Instruments Incorporated
Product Folder Link(s): PCA9557



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 25 26 27 28 29 30 31 32 33 34 35 36


Datasheet Download

Go To PDF Page


Link URL



Does ALLDATASHEET help your business so far?  [ DONATE ] 

About Alldatasheet   |   Advertisement   |   Datasheet Upload   |   Contact us   |   Privacy Policy   |   Link to Datasheet   |   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