PCA9555D/G-T NXP Semiconductors, PCA9555D/G-T Datasheet - Page 16

• Manufacturer Part Number: PCA9555D/G-T
• Description: IC I/O EXPANDER I2C 16B 24SOIC
• Manufacturer: NXP Semiconductors
• Series: -r

Specifications of PCA9555D/G-T

• 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 (0.295", 7.50mm Width)
• Includes: POR
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 568-1754-1

NXP Semiconductors
8. Application design-in information
PCA9555_8
Product data sheet
Fig 19. Typical application
(5 V)
V
DD
Device address configured as 0100 000xb for this example.
IO0_0, IO0_2, IO0_3 configured as outputs.
IO0_1, IO0_4, IO0_5 configured as inputs.
IO0_6, IO0_7, and IO1_0 to IO1_7 configured as inputs.
CONTROLLER
MASTER
V
GND
DD
SDA
SCL
INT
10 k
10 k
10 k
INT
SCL
SDA
A2
A1
A0
Rev. 08 — 22 October 2009
PCA9555
V
V
DD
SS
IO0_0
IO0_1
IO0_2
IO0_3
IO0_4
IO0_5
IO0_6
IO0_7
IO1_0
IO1_1
IO1_2
IO1_3
IO1_4
IO1_5
IO1_6
IO1_7
16-bit I
2 k
NUMERIC
10 DIGIT
KEYPAD
2
C-bus and SMBus I/O port with interrupt
ENABLE
INT
RESET
(e.g., alarm system)
ALARM
(e.g., temp sensor)
A
B
SUB-SYSTEM 1
SUB-SYSTEM 2
SUB-SYSTEM 3
(e.g., counter)
PCA9555
controlled
switch
(e.g., CBT device)
© NXP B.V. 2009. All rights reserved.
002aac704
V
DD
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