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PCA8574ATS датащи(PDF) 2 Page - NXP Semiconductors

номер детали PCA8574ATS
подробное описание детали  Remote 8-bit I/O expander for I2C-bus with interrupt
PDF  27 Pages
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производитель  NXP [NXP Semiconductors]
домашняя страница  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCA8574ATS датащи(HTML) 2 Page - NXP Semiconductors

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PCA8574_PCA8574A_2
© NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 02 — 14 May 2007
2 of 27
NXP Semiconductors
PCA8574/74A
Remote 8-bit I/O expander for I2C-bus with interrupt
I Cellular telephones
I Gaming machines
I Instrumentation and test measurement
4.
Ordering information
5.
Block diagram
Table 1.
Ordering information
Type number
Topside
mark
Package
Name
Description
Version
PCA8574D
PCA8574D
SO16
plastic small outline package; 16 leads; body width 7.5 mm
SOT162-1
PCA8574AD
PCA8574AD
PCA8574N
PCA8574N
DIP16
plastic dual in-line package; 16 leads (300 mil); long body
SOT38-1
PCA8574AN
PCA8574AN
PCA8574PW
PCA8574
TSSOP16
plastic thin shrink small outline package; 16 leads;
body width 4.4 mm
SOT403-1
PCA8574APW
PA8574A
PCA8574TS
PCA8574
SSOP20
plastic shrink small outline package; 20 leads;
body width 4.4 mm
SOT266-1
PCA8574ATS
PCA8574A
Fig 1.
Block diagram of PCA8574/74A
002aac677
INT
I2C-BUS
CONTROL
INTERRUPT
LOGIC
PCA8574
PCA8574A
LP FILTER
AD0
AD1
AD2
INPUT
FILTER
SHIFT
REGISTER
SDA
SCL
8 BITS
write pulse
read pulse
POWER-ON
RESET
VDD
VSS
I/O
PORT
P0 to P7



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