PCF8574ATS/3,118 NXP Semiconductors, PCF8574ATS/3,118 Datasheet - Page 4

• Manufacturer Part Number: PCF8574ATS/3,118
• Description: IC I/O EXPANDER I2C 8B 20SSOP
• Manufacturer: NXP Semiconductors

Specifications of PCF8574ATS/3,118

• Package / Case: 20-SSOP
• Interface: I²C
• Number Of I /o: 8
• Interrupt Output: Yes
• Frequency - Clock: 100KHz
• Voltage - Supply: 2.5 V ~ 6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Includes: POR
• Logic Family: PCF8574
• Number Of Lines (input / Output): 8.0 / 8.0
• Operating Supply Voltage: 2.5 V to 6 V
• Power Dissipation: 400 mW
• Operating Temperature Range: - 40 C to + 85 C
• Logic Type: I/O Expander
• Maximum Clock Frequency: 100 KHz
• Mounting Style: SMD/SMT
• Number Of Input Lines: 8.0
• Number Of Output Lines: 8.0
• Output Current: 25 mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 568-2030-2; 935276544118; PCF8574ATDK-T

Philips Semiconductors
4
2002 Nov 22
handbook, full pagewidth
Remote 8-bit I/O expander for I
BLOCK DIAGRAM
V DD
V SS
SDA
SCL
INT
A0
A1
A2
Fig.1 Block diagram (pin numbers apply to DIP16 and SO16 packages).
13
1
2
3
14
15
16
8
FILTER
INPUT
POWER-ON
RESET
INTERRUPT
LOGIC
CONTROL
I C BUS
2
2
C-bus
PCF8574
4
REGISTER
SHIFT
WRITE pulse
READ pulse
LP FILTER
8 BIT
PORT
I/O
MBD980
10
11
12
4
5
6
7
9
Product specification
P0
P1
P2
P3
P4
P5
P6
P7
PCF8574