Datasheet > PCA9501BS,118

PCA9501BS,118

更新时间： 2024-09-29 14:44:07

品牌	Logo	应用领域
恩智浦 - NXP		可编程只读存储器电动程控只读存储器电可擦编程只读存储器 PC 外围集成电路
页数	文件大小	规格书
28页	170K
描述
PCA9501 - 8-bit I2C-bus and SMBus I/O port with interrupt, 2-kbit EEPROM and 6 address pins QFN 20-Pin

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PCA9501BS,118 技术参数

是否Rohs认证：	符合	生命周期：	Active
零件包装代码：	QFN	包装说明：	HVQCCN, LCC20,.20SQ,25
针数：	20	Reach Compliance Code：	compliant
HTS代码：	8542.32.00.51	风险等级：	1.14
Is Samacsys：	N	JESD-30 代码：	S-PQCC-N20
JESD-609代码：	e4	长度：	5 mm
湿度敏感等级：	1	位数：	8
I/O 线路数量：	8	端口数量：	1
端子数量：	20	最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	HVQCCN	封装等效代码：	LCC20,.20SQ,25
封装形状：	SQUARE	封装形式：	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：	260	电源：	3/3.3 V
认证状态：	Not Qualified	座面最大高度：	1 mm
子类别：	Parallel IO Port	最大供电电压：	3.6 V
最小供电电压：	2.5 V	标称供电电压：	3.3 V
表面贴装：	YES	技术：	CMOS
温度等级：	INDUSTRIAL	端子面层：	Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：	NO LEAD	端子节距：	0.65 mm
端子位置：	QUAD	处于峰值回流温度下的最长时间：	30
宽度：	5 mm	uPs/uCs/外围集成电路类型：	PARALLEL IO PORT, GENERAL PURPOSE
Base Number Matches：	1

PCA9501BS,118 数据手册

PCA9501

8-bit I²C-bus and SMBus I/O port with interrupt, 2-kbit

EEPROM and 6 address pins

Rev. 04 — 10 February 2009

Product data sheet

1. General description

The PCA9501 is an 8-bit I/O expander with an on-board 2-kbit EEPROM.

The I/O expandable eight quasi-bidirectional data pins can be independently assigned as

inputs or outputs to monitor board level status or activate indicator devices such as LEDs.

The system master writes to the I/O conﬁguration bits in the same way as for the

PCF8574. The data for each input or output is kept in the corresponding input or output

The EEPROM can be used to store error codes or board manufacturing data for

read-back by application software for diagnostic purposes and are included in the I/O

expander package.

The PCA9501 active LOW open-drain interrupt output is activated when any input state

differs from its corresponding input port register state. It is used to indicate to the system

master that an input state has changed and the device needs to be interrogated.

The PCA9501 has six address pins with internal pull-up resistors allowing up to

64 devices to share the common two-wire I²C-bus software protocol serial data bus. The

ﬁxed GPIO address starts with ‘0’ and the ﬁxed EEPROM I²C-bus address starts with ‘1’,

so the PCA9501 appears as two separate devices to the bus master.

The PCA9501 supports hot insertion to facilitate usage in removable cards on backplane

systems.

2. Features

I 8 general purpose input/output expander/collector

I Replacement for PCF8574 with integrated 2-kbit EEPROM

I Internal 256 × 8 EEPROM

I Self timed write cycle (5 ms typical)

I 16 byte page write operation

I I²C-bus and SMBus interface logic

I Internal power-on reset

I Noise ﬁlter on SCL/SDA inputs

I Active LOW interrupt output

I 6 address pins allowing up to 64 devices on the I²C-bus/SMBus

I No glitch on power-up

I Supports hot insertion

I Power-up with all channels conﬁgured as inputs

12 3 4 5 6 7...28

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与PCA9501BS,118相关器件

型号	品牌	获取价格	描述	数据表
PCA9501BS-T	NXP	获取价格	8-bit I2C and SMBus I/O port with interrupt, 2-kbit EEPROM and 6 address pins - # of Addre
PCA9501D	NXP	获取价格	8-bit I2C and SMBus I/O port with interrupt, 2-kbit EEPROM and 6 address pins
PCA9501D,112	NXP	获取价格	PCA9501 - 8-bit I2C-bus and SMBus I/O port with interrupt, 2-kbit EEPROM and 6 address pin
PCA9501D-T	NXP	获取价格	8-bit I2C and SMBus I/O port with interrupt, 2-kbit EEPROM and 6 address pins - # of Addre
PCA9501PW	NXP	获取价格	8-bit I2C and SMBus I/O port with interrupt, 2-kbit EEPROM and 6 address pins
PCA9501PW,118	NXP	获取价格	PCA9501 - 8-bit I2C-bus and SMBus I/O port with interrupt, 2-kbit EEPROM and 6 address pin
PCA9501PW-T	NXP	获取价格	8-bit I2C and SMBus I/O port with interrupt, 2-kbit EEPROM and 6 address pins - # of Addre
PCA9502	NXP	获取价格	8-bit I/O expander with I2C-bus/SPI interface
PCA9502BS	NXP	获取价格	8-bit I/O expander with I2C-bus/SPI interface
PCA9502BS,128	NXP	获取价格	PCA9502 - 8-bit I/O expander with I2C-bus/SPI interface QFN 24-Pin

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