PCA9672PW,112 NXP Semiconductors, PCA9672PW,112 Datasheet - Page 3

• Manufacturer Part Number: PCA9672PW,112
• Description: IC I/O EXPANDER I2C 8B 16TSSOP
• Manufacturer: NXP Semiconductors

Specifications of PCA9672PW,112

• 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
• Package / Case: 16-TSSOP
• Includes: POR
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 568-4196-5; 935282747112; PCA9672PW

NXP Semiconductors
5. Block diagram
PCA9672_2
Product data sheet
Fig 1. Block diagram of PCA9672
Fig 2. Simplified schematic diagram of P0 to P7
RESET
data from Shift Register
SDA
AD0
AD1
SCL
V
V
INT
data to Shift Register
DD
SS
power-on reset
write pulse
read pulse
PCA9672
Remote 8-bit I/O expander for Fm+ I
FILTER
INPUT
POWER-ON
Rev. 02 — 6 July 2007
RESET
INTERRUPT
LOGIC
D
CI
CONTROL
I
FF
2
S
C-BUS
Q
D
CI
FF
S
REGISTER
write pulse
read pulse
Q
SHIFT
I
trt(pu)
LP FILTER
100 A
2
8 BITS
C-bus with interrupt and reset
I
I
OH
OL
002aac109
PORT
I/O
002aac321
PCA9672
© NXP B.V. 2007. All rights reserved.
V
P0 to P7
V
to interrupt logic
DD
SS
P0 to P7
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