PCA9539D,112 NXP Semiconductors, PCA9539D,112 Datasheet - Page 3

• Manufacturer Part Number: PCA9539D,112
• Description: IC I/O EXPANDER I2C 16B 24SOIC
• Manufacturer: NXP Semiconductors

Specifications of PCA9539D,112

• Interface: I²C, SMBus
• Number Of I /o: 16
• Interrupt Output: Yes
• Frequency - Clock: 400kHz
• Voltage - Supply: 2.3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-SOIC (7.5mm Width)
• Includes: POR
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 935277297112; PCA9539D; PCA9539D

NXP Semiconductors
4. Block diagram
PCA9539_PCA9539R_5
Product data sheet
Fig 1.
RESET
SDA
SCL
V
V
DD
A0
A1
SS
Remark: All I/Os are set to inputs at reset.
Block diagram of PCA9539; PCA9539R
PCA9539
PCA9539R
16-bit I
POWER-ON
2
FILTER
RESET
INPUT
Rev. 05 — 28 July 2008
C-bus and SMBus low power I/O port with interrupt and reset
I
2
C-BUS/SMBus
CONTROL
PCA9539; PCA9539R
write pulse
write pulse
read pulse
read pulse
8-bit
8-bit
OUTPUT
OUTPUT
PORTS
PORTS
INPUT/
INPUT/
FILTER
LP
002aad722
© NXP B.V. 2008. All rights reserved.
V
DD
IO1_0
IO1_1
IO1_2
IO1_3
IO1_4
IO1_5
IO1_6
IO1_7
IO0_0
IO0_1
IO0_2
IO0_3
IO0_4
IO0_5
IO0_6
IO0_7
3 of 31
INT