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8574A View Datasheet(PDF) - Philips Electronics

Part Name
Description
View to exact match
8574A
Remote 8-bit I/O expander for I2C-BUS
Philips
Philips Electronics Philips
8574A Datasheet PDF : 24 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
Philips Semiconductors
Remote 8-bit I/O expander for I2C-bus
5.2 SSOP20 package
SYMBOL
PIN
INT
1
SCL
2
n.c.
3
SDA
4
VDD
5
A0
6
A1
7
n.c.
8
A2
9
P0
10
P1
11
P2
12
n.c.
13
P3
14
VSS
15
P4
16
P5
17
n.c.
18
P6
19
P7
20
interrupt output (active LOW)
serial clock line
not connected
serial data line
supply voltage
address input 0
address input 1
not connected
address input 2
quasi-bidirectional I/O 0
quasi-bidirectional I/O 1
quasi-bidirectional I/O 2
not connected
quasi-bidirectional I/O 3
supply ground
quasi-bidirectional I/O 4
quasi-bidirectional I/O 5
not connected
quasi-bidirectional I/O 6
quasi-bidirectional I/O 7
DESCRIPTION
Product speciļ¬cation
PCF8574
handbook, halfpage
INT 1
20 P7
SCL 2
19 P6
n.c. 3
18 n.c.
SDA 4
17 P5
VDD 5 PCF8574TS 16 P4
A0 6 PCF8574ATS 15 VSS
A1 7
14 P3
n.c. 8
13 n.c.
A2 9
12 P2
P0 10
11 P1
MBD978
Fig.4 Pin configuration (SSOP20).
2002 Nov 22
6

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