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PCF8574TS/3 数据表(PDF) 3 Page - NXP Semiconductors

部件名 PCF8574TS/3
功能描述  Remote 8-bit I/O expander for I2C-bus with interrupt
PDF  33 Pages
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制造商  NXP [NXP Semiconductors]
网页  http://www.nxp.com
标志 NXP - NXP Semiconductors

PCF8574TS/3 数据表(HTML) 3 Page - NXP Semiconductors

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PCF8574_PCF8574A
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2013. All rights reserved.
Product data sheet
Rev. 5 — 27 May 2013
3 of 33
NXP Semiconductors
PCF8574; PCF8574A
Remote 8-bit I/O expander for I2C-bus with interrupt
5.
Block diagram
PCF8574TS/3
PCF8574TS/3,112
SSOP20
Standard marking
* IC’s tube - DSC bulk pack
1350
Tamb = 40 C to +85 C
PCF8574TS/3,118
SSOP20
Reel 13” Q1/T1
*standard mark SMD
2500
Tamb = 40 C to +85 C
PCF8574ATS/3 PCF8574ATS/3,118 SSOP20
Reel 13” Q1/T1
*standard mark SMD
2500
Tamb = 40 C to +85 C
Table 2.
Ordering options …continued
Type number
Orderable
part number
Package
Packing method
Minimum
order
quantity
Temperature range
Fig 1.
Block diagram
Fig 2.
Simplified schematic diagram of P0 to P7
002aad624
INT
I2C-BUS
CONTROL
LP FILTER
PCF8574
PCF8574A
INTERRUPT
LOGIC
A0
A1
A2
INPUT
FILTER
SHIFT
REGISTER
SDA
SCL
8 bits
write pulse
read pulse
POWER-ON
RESET
VDD
VSS
I/O
PORT
P0
P1
P2
P3
P4
P5
P6
P7
002aac109
write pulse
read pulse
D
CI
S
FF
Q
power-on reset
data from Shift Register
Itrt(pu)
100
μA
IOH
IOL
VDD
P0 to P7
VSS
D
CI
S
FF
Q
data to Shift Register
to interrupt logic



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