Datasheet > PCA9654E_17

PCA9654E_17

更新时间： 2024-11-15 01:08:51

品牌	Logo	应用领域
安森美 - ONSEMI		/
页数	文件大小	规格书
22页	335K
描述
8-bit I/O Expander for I2C Bus and SMBus

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PCA9654E_17 数据手册

PCA9654E, PCA9654EA

8-bit I/O Expander for I²C

Bus and SMBus with

Interrupt

The PCA9654E/PCA9654EA provides 8 bits of General Purpose

parallel Input/Output (GPIO) expansion for I C−bus/SMBus

applications.

www.onsemi.com

MARKING

The PCA9654E/PCA9654EA consists of 8−bit Configuration

(Input or Output selection), Input, Output and Polarity Inversion

(active HIGH or active LOW operation) registers. The system master

may set the I/Os as either inputs or outputs by writing to the I/O

configuration bits. The data for each Input or Output is kept in the

corresponding Input or Output register. The polarity of the read

registers can be read by the system master.

DIAGRAMS

PCA9654EG

AWLYWW

SOIC−16

D SUFFIX

CASE 751B

The PCA9654E/PCA9654EA open−drain interrupt (INT) output is

activated when any input state differs from its corresponding input

port register state and 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.

PCA9

654E

ALYWG

TSSOP−16

DT SUFFIX

CASE 948F

Three hardware pins (AD0, AD1, AD2) vary the fixed I C bus

address and allow up to 64 devices to share the same I C−bus/SMBus.

The PCA9654EA has a different address map from the PCA9654E.

Features

XXMG

• V Operating Range: 1.65 V to 5.5 V

WQFN16

MT SUFFIX

CASE 488AP

• SDA Sink Capability: 30 mA

• 5.5 V Tolerant I/Os

• Polarity Inversion Register

• Active LOW Interrupt Output

• Low Standby Current

XXXX

ALYWG

QFN16 3x3

MN SUFFIX

CASE 485G

• Noise Filter on SCL/SDA Inputs

• No Glitch on Power−up

• Internal Power−on Reset

• 64 Programmable Slave Addresses Using 3 Address Pins

• 8 I/O Pins which Default to 8 Inputs

XXXXXX

ALYWG

QFN16 4x4

MN SUFFIX

CASE 485AP

• I C SCL Clock Frequencies Supported:

Standard Mode: 100 kHz

Fast Mode: 400 kHz

Fast Mode +: 1 MHz

XXXX = Specific Device Code

= Assembly Location

• ESD Performance: 4000 V Human Body Model,

400 V Machine Model

= Date Code / Assembly Location

WL, L = Wafer Lot

= Year

WW, W = Work Week

G or G = Pb−Free Package

• These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS

Compliant

(Note: Microdot may be in either location)

This document contains information on some products that are still under development.

ON Semiconductor reserves the right to change or discontinue these products without

notice.

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 17 of this data sheet.

Publication Order Number:

March, 2017 − Rev. 3

PCA9654E/D

12 3 4 5 6 7...22

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与PCA9654E_17相关器件

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PCA9654E3MNTWG	ONSEMI	获取价格	IC SPECIALTY INTERFACE CIRCUIT, Interface IC:Other
PCA9654E4MNTWG	ONSEMI	获取价格	IC SPECIALTY INTERFACE CIRCUIT, Interface IC:Other
PCA9654EA	ONSEMI	获取价格	8-bit I/O Expander for I2C Bus
PCA9654EA3MNTWG	ONSEMI	获取价格	IC SPECIALTY INTERFACE CIRCUIT, Interface IC:Other
PCA9654EA4MNTWG	ONSEMI	获取价格	IC SPECIALTY INTERFACE CIRCUIT, Interface IC:Other
PCA9654EADR2G	ONSEMI	获取价格	IC SPECIALTY INTERFACE CIRCUIT, Interface IC:Other
PCA9654EADTR2G	ONSEMI	获取价格	IC SPECIALTY INTERFACE CIRCUIT, Interface IC:Other
PCA9654EAMTTBG	ONSEMI	获取价格	IC SPECIALTY INTERFACE CIRCUIT, Interface IC:Other
PCA9654EDR2G	ONSEMI	获取价格	8-bit I/O Expander for I2C Bus and SMBus
PCA9654EDTR2G	ONSEMI	获取价格	8-bit I/O Expander for I2C Bus and SMBus

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