PCA9672BS datasheet, PDF - EEWORLD Datasheet

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PCA9672BS: DescriptionRemote 8-bit I/O expander for Fm I2C-bus with interrupt and reset; CategoryThe embedded processor and controller Microcontrollers and processors; File Size146KB，27 Pages; ManufacturerNXP; Websitehttps://www.nxp.com; Environmental Compliance

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PCA9672BS Overview

Remote 8-bit I/O expander for Fm I2C-bus with interrupt and reset

PCA9672BS Parametric

Parameter Name	Attribute value
Source Url Status Check Date	2013-06-14 00:00:00
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	NXP
Parts packaging code	QFN
package instruction	HVQCCN,
Contacts	16
Reach Compliance Code	compli
ECCN code	EAR99
JESD-30 code	S-PQCC-N16
JESD-609 code	e4
length	3 mm
Humidity sensitivity level	1
Number of I/O lines	8
Number of ports	1
Number of terminals	16
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
encapsulated code	HVQCCN
Package shape	SQUARE
Package form	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)	260
Certification status	Not Qualified
Maximum seat height	1 mm
Maximum supply voltage	5.5 V
Minimum supply voltage	2.3 V
Nominal supply voltage	3 V
surface mount	YES
technology	CMOS
Temperature level	INDUSTRIAL
Terminal surface	Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal form	NO LEAD
Terminal pitch	0.5 mm
Terminal location	QUAD
Maximum time at peak reflow temperature	30
width	3 mm
uPs/uCs/peripheral integrated circuit type	PARALLEL IO PORT, GENERAL PURPOSE

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PCA9672

Remote 8-bit I/O expander for Fm+ I

C-bus with interrupt and

reset

Rev. 02 — 6 July 2007

Product data sheet

1. General description

The PCA9672 provides general purpose remote I/O expansion for most microcontroller

families via the two-line bidirectional bus (I

C-bus) and is a part of the Fast-mode Plus

family.

The PCA9672 is a drop-in upgrade for the PCF8574 providing higher Fast-mode Plus

(Fm+) I

C-bus speeds (1 MHz versus 400 kHz) so that the output can support PWM

dimming of LEDs, higher I

C-bus drive (30 mA versus 3 mA) so that many more devices

can be on the bus without the need for bus buffers, higher total package sink capacity

(200 mA versus 100 mA) that supports having all LEDs on at the same time and more

device addresses (16 versus 8) are available to allow many more devices on the bus

without address conﬂicts.

The difference between the PCA9672 and the PCF8574 is that the A2 address pin is

replaced by the RESET input on the PCA9672.

The device consists of an 8-bit quasi-bidirectional port and an I

C-bus interface. The

PCA9672 has low current consumption and include latched outputs with 25 mA high

current drive capability for directly driving LEDs.

The PCA9672 possesses an interrupt line (INT) that can be connected to the interrupt

logic of the microcontroller. By sending an interrupt signal on this line, the remote I/O can

inform the microcontroller if there is incoming data on its ports without having to

communicate via the I

C-bus.

The internal Power-On Reset (POR), hardware reset pin (RESET), or Software Reset

sequence initializes the I/Os as inputs.

2. Features

1 MHz I

C-bus interface

Compliant with the I

C-bus Fast and Standard modes

SDA with 30 mA sink capability for 4000 pF buses

2.3 V to 5.5 V operation with 5.5 V tolerant I/Os

8-bit remote I/O pins that default to inputs at power-up

Latched outputs with 25 mA sink capability for directly driving LEDs

Total package sink capability of 200 mA

Active LOW open-drain interrupt output

16 programmable slave addresses using 2 address pins

Readable device ID (manufacturer, device type, and revision)

PCA9672BS Related Products

	PCA9672BS	PCA9672
Description	Remote 8-bit I/O expander for Fm I2C-bus with interrupt and reset	Remote 8-bit I/O expander for Fm I2C-bus with interrupt and reset

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