PCF8574ATD NXP Semiconductors, PCF8574ATD Datasheet - Page 6

• Manufacturer Part Number: PCF8574ATD
• Description: IC, I/O EXPANDER, 8BIT, 100KHZ, SOIC-16
• Manufacturer: NXP Semiconductors

Specifications of PCF8574ATD

• Chip Configuration: 8 Bit
• Bus Frequency: 100kHz
• Ic Interface Type: I2C
• No. Of I/o's: 8
• Supply Voltage Range: 2.5V To 6V
• Digital Ic Case Style: SOIC
• No. Of Pins: 16
• Termination Type: SMD
• Filter Terminals: SMD
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Philips Semiconductors
5.2
2002 Nov 22
handbook, halfpage
INT
SCL
n.c.
SDA
V
A0
A1
n.c.
A2
P0
P1
P2
n.c.
P3
V
P4
P5
n.c.
P6
P7
DD
SS
Remote 8-bit I/O expander for I
SYMBOL
SSOP20 package
Fig.4 Pin configuration (SSOP20).
SDA
V DD
SCL
INT
n.c.
n.c.
A2
P0
A0
A1
10
1
2
3
4
5
6
7
8
9
PCF8574ATS
PCF8574TS
PIN
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
MBD978
interrupt output (active LOW)
serial clock line
not connected
serial data line
supply ground
quasi-bidirectional I/O 4
quasi-bidirectional I/O 5
not connected
quasi-bidirectional I/O 6
quasi-bidirectional I/O 7
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
19
18
17
16
15
14
13
12
11
20
P7
V SS
P3
P2
P1
P6
n.c.
P5
P4
n.c.
2
C-bus
6
DESCRIPTION
Product specification
PCF8574