Datasheet > PCA9655EDWR2G

PCA9655EDWR2G

更新时间： 2024-11-14 12:49:07

品牌	Logo	应用领域
安森美 - ONSEMI		/
页数	文件大小	规格书
20页	215K
描述
Remote 16-bit I/O Expander for I2C Bus with Interrupt

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PCA9655EDWR2G 数据手册

PCA9655E

Remote 16-bit I/O Expander

for I²C Bus with Interrupt

The PCA9655E provides 16 bits of General Purpose parallel Input /

Output (GPIO) expansion through the I C−bus / SMBus.

The PCA9655E consists of two 8−bit Configuration (Input or

Output selection); Input, Output and Polarity Inversion (active−HIGH

or active−LOW operation) registers. At power on, all I/Os default to

inputs. Each I/O may be configured as either input or output by writing

to its corresponding I/O configuration bit. The data for each Input or

Output is kept in its corresponding Input or Output register. The

Polarity Inversion register may be used to invert the polarity of the

read register. All registers can be read by the system master.

The PCA9655E provides an open−drain interrupt output which is

activated when any input state differs from its corresponding input

port register state. The interrupt output is used to indicate to the system

master that an input state has changed. The power−on reset sets the

registers to their default values and initializes the device state

machine.

http://onsemi.com

MARKING

DIAGRAMS

PCA9655E

AWLYYWWG

SOIC−24

DW SUFFIX

CASE 751E

PCA96

55EG

Three hardware pins (AD0, AD1, AD2) are used to configure the

I C−bus slave address of the device. Up to 64 devices are allowed to

AWLYYWW

TSSOP−24

DT SUFFIX

CASE 948H

share the same I C−bus / SMBus.

Features

• V Operating Range: 1.65 V to 5.5 V

• SDA Sink Capability: 30 mA

• 5.5 V Tolerant I/Os

PCA

9655E

ALYWG

WQFN24

MT SUFFIX

CASE 485BG

• Polarity Inversion Register

• Active LOW Interrupt Output

• Low Standby Current

• Noise Filter on SCL/SDA Inputs

• No Glitch on Power−up

XXXX = Specific Device Code

= Assembly Location

WL, L = Wafer Lot

YY, Y = Year

WW, W = Work Week

• Internal Power−on Reset

• 64 Programmable Slave Addresses Using Three Address Pins

• 16 I/O Pins Which Default to 16 Inputs

G or G = Pb−Free Package

(Note: Microdot may be in either location)

• I C SCL Clock Frequencies Supported:

Standard Mode: 100 kHz

Fast Mode: 400 kHz

Fast Mode +: 1 MHz

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 17 of this data sheet.

• ESD Performance: 2000 V Human Body Model,

200 V Machine Model

• These are Pb−Free Devices

Publication Order Number:

May, 2012 − Rev. 1

PCA9655E/D

12 3 4 5 6 7...20

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PCA9655EDWR2G 替代型号

型号	品牌	替代类型	描述	数据表
CAT9555WI-T1	ONSEMI	功能相似	16-bit I²C and SMBus I/O Port with Interrupt

与PCA9655EDWR2G相关器件

型号	品牌	获取价格	描述	数据表
PCA9655EMTTXG	ONSEMI	获取价格	Remote 16-bit I/O Expander for I2C Bus with Interrupt
PCA9661	NXP	获取价格	Smart, simple solutions for the 12 most common design concerns
PCA9661B,118	NXP	获取价格	PCA9661 - Parallel bus to 1 channel Fm+ I2C-bus controller QFP 48-Pin
PCA9663	NXP	获取价格	Parallel bus to 3 channel Fm+ I2C-bus controller
PCA9663B	NXP	获取价格	Parallel bus to 3 channel Fm+ I2C-bus controller
PCA9663B,118	NXP	获取价格	PCA9663 - Parallel bus to 3 channel Fm+ I2C-bus controller QFP 48-Pin
PCA9665	NXP	获取价格	Fm+ parallel bus to I2C-bus controller
PCA9665A	NXP	获取价格	Smart, simple solutions for the 12 most common design concerns
PCA9665APW	NXP	获取价格	IC I2C BUS CONTROLLER, PDSO20, 4.40 MM, PLASTIC, MO-153, SOT360-1, TSSOP-20, Bus Controlle
PCA9665APW,118	NXP	获取价格	PCA9665_PCA9665A - Fm+ parallel bus to I2C-bus controller TSSOP2 20-Pin

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