Electronic Components Datasheet Search
  English  ▼
ALLDATASHEET.NET

X  

Preview PDF HTML

PCA9554DBR Datasheet(PDF) 13 Page - Texas Instruments

Click here to check the latest version.
Part # PCA9554DBR
Description  REMOTE 8-BIT I2C AND SMBus I/O EXPANDER WITH INTERRUPT OUTPUT 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

PCA9554DBR Datasheet(HTML) 13 Page - Texas Instruments

Back Button PCA9554DBR Datasheet HTML 9Page - Texas Instruments PCA9554DBR Datasheet HTML 10Page - Texas Instruments PCA9554DBR Datasheet HTML 11Page - Texas Instruments PCA9554DBR Datasheet HTML 12Page - Texas Instruments PCA9554DBR Datasheet HTML 13Page - Texas Instruments PCA9554DBR Datasheet HTML 14Page - Texas Instruments PCA9554DBR Datasheet HTML 15Page - Texas Instruments PCA9554DBR Datasheet HTML 16Page - Texas Instruments PCA9554DBR Datasheet HTML 17Page - Texas Instruments Next Button
Zoom Inzoom in Zoom Outzoom out
 13 / 36 page
background image
I
2C INTERFACE TIMING REQUIREMENTS
SWITCHING CHARACTERISTICS
PCA9554
www.ti.com ........................................................................................................................................................ SCPS128B – JULY 2006 – REVISED AUGUST 2008
over operating free-air temperature range (unless otherwise noted) (see Figure 10)
STANDARD MODE
FAST MODE
I2C BUS
I2C BUS
UNIT
MIN
MAX
MIN
MAX
fscl
I2C clock frequency
0
100
0
400
kHz
tsch
I2C clock high time
4
0.6
µs
tscl
I2C clock low time
4.7
1.3
µs
tsp
I2C spike time
50
50
ns
tsds
I2C serial-data setup time
250
100
ns
tsdh
I2C serial-data hold time
0
0
ns
ticr
I2C input rise time
1000
20 + 0.1Cb
(1)
300
ns
ticf
I2C input fall time
300
20 + 0.1Cb
(1)
300
ns
tocf
I2C output fall time
10-pF to 400-pF bus
300
20 + 0.1Cb
(1)
300
ns
tbuf
I2C bus free time between stop and start
4.7
1.3
µs
tsts
I2C start or repeated start condition setup
4.7
0.6
µs
tsth
I2C start or repeated start condition hold
4
0.6
µs
tsps
I2C stop condition setup
4
0.6
µs
SCL low to SDA output
tvd(data)
Valid data time
300
50
ns
valid
ACK signal from SCL low
tvd(ack)
Valid data time of ACK condition
0.3
3.45
0.1
0.9
µs
to SDA (out) low
Cb
I2C bus capacitive load
400
400
ns
(1)
Cb = Total capacitive load of one bus in pF
over operating free-air temperature range (unless otherwise noted) (see Figure 11 and Figure 12)
STANDARD MODE
FAST MODE
FROM
TO
I2C BUS
I2C BUS
PARAMETER
UNIT
(INPUT)
(OUTPUT)
MIN
MAX
MIN
MAX
tiv
Interrupt valid time
P port
INT
4
4
µs
tir
Interrupt reset delay time
SCL
INT
4
4
µs
tpv
Output data valid
SCL
P7–P0
200
200
ns
tps
Input data setup time
P port
SCL
100
100
ns
tph
Input data hold time
P port
SCL
1
1
µs
Copyright © 2006–2008, Texas Instruments Incorporated
Submit Documentation Feedback
13
Product Folder Link(s): PCA9554
Not Recommended for New Designs



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   |   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