PCA9674PW,118 NXP Semiconductors, PCA9674PW,118 Datasheet - Page 3

• Manufacturer Part Number: PCA9674PW,118
• Description: IC I/O EXPANDER I2C 8B 16TSSOP
• Manufacturer: NXP Semiconductors

Specifications of PCA9674PW,118

• Package / Case: 16-TSSOP
• Interface: I²C
• Number Of I /o: 8
• Interrupt Output: Yes
• Frequency - Clock: 1MHz
• Voltage - Supply: 2.3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Includes: POR
• Logic Family: PCA
• Operating Supply Voltage: 2.3 V to 5.5 V
• Power Dissipation: 400 mW
• Operating Temperature Range: - 40 C to + 85 C
• Mounting Style: SMD/SMT
• Output Current: 50 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: 568-4077-2; 935282735118; PCA9674PW-T; PCA9674PW-T

NXP Semiconductors
5. Block diagram
PCA9674_PCA9674A_5
Product data sheet
Fig 1.
Fig 2.
SDA
AD0
AD1
AD2
SCL
V
V
data from Shift Register
INT
DD
SS
data to Shift Register
Block diagram of PCA9674/74A
Simplified schematic diagram of P0 to P7
power-on reset
PCA9674
PCA9674A
write pulse
read pulse
FILTER
INPUT
POWER-ON
RESET
Rev. 05 — 15 June 2009
INTERRUPT
Remote 8-bit I/O expander for Fm+ I
LOGIC
CONTROL
D
CI
I
2
C-BUS
FF
S
Q
D
CI
REGISTER
FF
write pulse
read pulse
S
SHIFT
Q
I
trt(pu)
LP FILTER
8 BITS
100 A
PCA9674/74A
I
I
OH
OL
PORT
I/O
002aac109
002aac108
2
C-bus with interrupt
© NXP B.V. 2009. All rights reserved.
V
P0 to P7
V
to interrupt logic
DD
SS
P0 to P7
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