pcf8574ats-3 NXP Semiconductors, pcf8574ats-3 Datasheet - Page 5

• Manufacturer Part Number: pcf8574ats-3
• Description: Remote 8-bit I/o Expander For I2c-bus
• Manufacturer: NXP Semiconductors

Philips Semiconductors
5
5.1
2002 Nov 22
handbook, halfpage
A0
A1
A2
P0
P1
P2
P3
V
P4
P5
P6
P7
INT
SCL
SDA
V
SS
DD
Remote 8-bit I/O expander for I
SYMBOL
PINNING
DIP16 and SO16 packages
Fig.2 Pin configuration (DIP16).
V SS
A1
P0
P1
P2
P3
A0
A2
1
2
3
4
5
6
7
8
PCF8574AP
PCF8574P
PIN
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
MBD979
address input 0
address input 1
address input 2
quasi-bidirectional I/O 0
quasi-bidirectional I/O 1
quasi-bidirectional I/O 2
quasi-bidirectional I/O 3
interrupt output (active LOW)
serial clock line
serial data line
supply voltage
supply ground
quasi-bidirectional I/O 4
quasi-bidirectional I/O 5
quasi-bidirectional I/O 6
quasi-bidirectional I/O 7
15
14
13
12
10
16
11
9
V DD
SDA
INT
P7
P6
P5
P4
SCL
2
C-bus
5
handbook, halfpage
DESCRIPTION
Fig.3 Pin configuration (SO16).
V SS
A1
P0
P1
P2
P3
A0
A2
1
2
3
4
5
6
7
8
PCF8574AT
PCF8574T
MCE001
15
14
13
12
10
16
11
9
Product specification
V DD
SDA
INT
P7
P6
P5
P4
SCL
PCF8574