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PCA9501PW

更新时间： 2024-02-15 11:59:10
品牌 Logo 应用领域
恩智浦 - NXP 并行IO端口微控制器和处理器外围集成电路光电二极管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
页数 文件大小 规格书
22页 147K
描述
8-bit I2C and SMBus I/O port with interrupt, 2-kbit EEPROM and 6 address pins

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PCA9501PW 技术参数

Source Url Status Check Date：2013-06-14 00:00:00是否无铅： 含铅
是否Rohs认证： 符合生命周期：Obsolete
包装说明：TSSOP, TSSOP20,.25Reach Compliance Code：unknown
风险等级：5.31JESD-30 代码：R-PDSO-G20
长度：6.5 mm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：TSSOP封装等效代码：TSSOP20,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
电源：3.3 V认证状态：Not Qualified
座面最大高度：1.1 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
端子形式：GULL WING端子节距：0.65 mm
端子位置：DUAL宽度：4.4 mm
uPs/uCs/外围集成电路类型：PARALLEL IO PORT, GENERAL PURPOSEBase Number Matches：1

PCA9501PW 数据手册

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Philips Semiconductors  
Product data  
8-bit I2C and SMBus I/O port with interrupt,  
2-kbit EEPROM and 6 address pins  
PCA9501  
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 register. The system master can read  
all registers.  
FEATURES  
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.  
• 8 general purpose input/output expander/collector  
• Replacement for PCF8574 with integrated 2-kbit EEPROM  
• Internal 256 × 8 EEPROM  
The PCA9501 Active-LOW open-drain interrupt output is activated  
when any input state differes 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.  
• Self timed write cycle (5 ms typ)  
• 16 byte page write operation  
The PCA9501 has six address pins with internal pull-up resistors  
2
• I C and SMBus interface logic  
2
allowing up to 64 devices to share the common two wire I C  
• Internal power-on reset  
software protocol serial data bus. The fixed GPIO address starts  
2
with “1” and the fixed EEPROM I C address starts with “0”, so the  
• Noise filter on SCL/SDA inputs  
PCA9501 appears as two separate devices to the bus master.  
• Active low interrupt output  
The PCA9501 supports hot insertion to facilitate usage in removable  
cards on backplane systems.  
2
• 6 address pins allowing up to 64 devices on the I C/SMBus  
• No glitch on power-up  
• Supports hot insertion  
• Power-up with all channels configured as inputs  
• Low standby current  
• Operating power supply voltage range of 2.5 V to 3.6 V  
• 5 V tolerant inputs/outputs  
• 0 to 400 kHz clock frequency  
• ESD protection exceeds 2000 V HBM per JESD22-A114,  
200 V MM per JESD22-A115 and 1000 V CDM per JESD22-C101  
• Latch-up testing is done to JESDEC Standard JESD78 which  
exceeds 100 mA  
• Packages offered: SO20, TSSOP20, HVQFN20  
ORDERING INFORMATION  
PACKAGES  
TEMPERATURE RANGE  
ORDER CODE  
TOPSIDE MARK  
DRAWING NUMBER  
20-pin plastic SO  
-40 to +85 °C  
PCA9501D  
PCA9501D  
SOT163-1  
20-Pin Plastic TSSOP  
20-Pin Plastic HVQFN  
-40 to +85 °C  
-40 to +85 °C  
PCA9501PW  
PCA9501BS  
PCA9501  
9501  
SOT360-1  
SOT662-1  
Standard packing quantities and other packaging data are available at www.philipslogic.com/packaging.  
2
SMBus as specified by the Smart Battery System Implementers Forum is a derivative of the Philips I C patent.  
2
I C is a trademark of Philips Semiconductors Corporation.  
2
2003 Sep 12  
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