PCA9538BS,118 NXP Semiconductors, PCA9538BS,118 Datasheet - Page 11
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PCA9538BS,118
Manufacturer Part Number
PCA9538BS,118
Description
IC I/O EXPANDER I2C 8B 16HVQFN
Manufacturer
NXP Semiconductors
Datasheet
1.PCA9538BS118.pdf
(28 pages)
Specifications of PCA9538BS,118
Interface
I²C, SMBus
Number Of I /o
8
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
16-VQFN Exposed Pad, 16-HVQFN, 16-SQFN, 16-DHVQFN
Includes
POR
Operating Temperature (min)
-40C
Operating Temperature Classification
Industrial
Operating Temperature (max)
85C
Rad Hardened
No
Logic Family
PCA9538
Number Of Lines (input / Output)
8.0 / 8.0
Operating Supply Voltage
2.3 V to 5.5 V
Power Dissipation
200 mW
Operating Temperature Range
- 40 C to + 85 C
Input Voltage
5 V
Logic Type
I2C, SMBus
Maximum Clock Frequency
400 KHz
Mounting Style
SMD/SMT
Number Of Input Lines
8.0
Number Of Output Lines
8.0
Output Current
50 mA
Output Voltage
5 V
For Use With
568-3615 - DEMO BOARD I2C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
568-1838-2
935277417118
PCA9538BS-T
935277417118
PCA9538BS-T
NXP Semiconductors
7. Application design-in information
PCA9538_5
Product data sheet
Fig 11. Typical application
(5 V)
V
DD
Device address is 1110 000x for this example.
IO0, IO2, IO3 configured as outputs.
IO1, IO4, IO5 configured as inputs.
IO6, IO7 are not used and need 100 k pull-up resistors to protect them from floating.
CONTROLLER
MASTER
V
V
DD
SS
RESET
SDA
SCL
INT
10 k
10 k
10 k
8-bit I
10 k
2
Rev. 05 — 28 May 2009
C-bus and SMBus low power I/O port with interrupt and reset
SCL
SDA
INT
RESET
A1
A0
PCA9538
V
V
DD
SS
IO0
IO1
IO2
IO3
IO4
IO5
IO6
IO7
2 k
100 k
( 3)
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)
PCA9538
controlled
switch
(e.g., CBT device)
© NXP B.V. 2009. All rights reserved.
002aae712
V
DD
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