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PCAL6408AHKX - NXP
Manufacturer:
NXP
ManyChip's Part#:
MC33509000
Category:
Interface IC, Interface Controller
Package:
XQFN-16
Datasheet:
Datasheet 3D Model
Description:
I2C/SMBus GPIO Expander 100kHz/400kHz 5.5V 16Pin XQFN T/R
Stock Locations:
Availability:
1,354 pcs In Stock
MOQ:
1 pcs
Unit Price:
$ 1.24

Updated at 17/06/2025 10:30:15(UTC+8)

Certifications

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Description

The PCAL6408AHKX is an 8-bit I/O Expander that provides remote I/O expansion for most microcontroller families via the I²C-bus interface. The NXP I/O expander provides a simple solution when additional I/Os are needed while keeping interconnections to a minimum. In addition to providing a flexible set of GPIOs, it simplifies interconnection of a processor running at one voltage level to I/O devices operating at a different (usually higher) voltage level. The PCAL6408A has built-in level shifting feature that makes this device extremely flexible in mixed signal environments where communication between incompatible I/O voltages is required. Its wide VDD range of 1.65 to 5.5V on the dual power rail allows seamless communications with next-generation low voltage microprocessors and microcontrollers on the interface side (SDA/SCL) and peripherals at a higher voltage on the port side.
Low standby current consumption
Schmitt-trigger action allows slow input transition and better switching noise immunity
Open-drain active LOW interrupt output (INT)\
Internal power-ON reset
Power-up with all channels configured as inputs
No glitch on power-up
Latched outputs with 25mA drive maximum capability for directly driving LEDs
Latch-up performance exceeds 100 mA per JESD 78, class II
Bank selectable push-pull or open-drain output stages
Read-only register identifies the source of an interrupt
Input port register values changes are kept until the input port register is read
Floating input or pull-up/pull-down resistor enable
Mask prevents the generation of the interrupt when input changes state
100kR Pull-up/down resistor

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PCAL6408AHKX Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	16 Pin
Case/Package	XQFN-16
Supply Voltage (DC)	1.65V (min)
Output Voltage	6.5 V
Output Current	25 mA
Clock Speed	400 kHz
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	1.65V ~ 5.5V
Supply Voltage (Max)	5.5 V
Supply Voltage (Min)	1.65 V
Input Voltage	1.65V ~ 5.5V
	Show
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Cut Tape (CT)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/12/17
ECCN Code	EAR99

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