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CAT9555YI

更新时间： 2024-09-17 06:46:19
品牌 Logo 应用领域
安森美 - ONSEMI 并行IO端口微控制器和处理器外围集成电路光电二极管
页数 文件大小 规格书
17页 190K
描述
16-bit I²C and SMBus I/O Port with Interrupt

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中文翻译

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CAT9555YI 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：TSSOP
包装说明：TSSOP, TSSOP24,.25针数：24
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.15
Is Samacsys：NJESD-30 代码：R-PDSO-G24
JESD-609代码：e3长度：7.8 mm
湿度敏感等级：1位数：16
I/O 线路数量：16端口数量：2
端子数量：24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：TSSOP24,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：NOT SPECIFIED电源：2.5/5 V
认证状态：Not Qualified座面最大高度：1.2 mm
子类别：Parallel IO Port最大供电电压：5.5 V
最小供电电压：2.3 V标称供电电压：3 V
表面贴装：YES技术：CMOS
温度等级：INDUSTRIAL端子面层：Tin (Sn)
端子形式：GULL WING端子节距：0.65 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：4.4 mmuPs/uCs/外围集成电路类型：PARALLEL IO PORT, GENERAL PURPOSE
Base Number Matches：1

CAT9555YI 数据手册

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CAT9555  
16-bit I²C and SMBus I/O Port with Interrupt  
FEATURES  
DESCRIPTION  
„ 400kHz I²C bus compatible  
„ 2.3V to 5.5V operation  
The CAT9555 is a CMOS device that provides 16-bit  
parallel input/output port expansion for I²C and SMBus  
compatible applications. These I/O expanders provide  
a simple solution in applications where additional I/Os  
are needed: sensors, power switches, LEDs,  
pushbuttons, and fans.  
„ Low stand-by current  
„ 5V tolerant I/Os  
„ 16 I/O pins that default to inputs at power-up  
„ High drive capability  
The CAT9555 consists of two 8-bit Configuration ports  
(input or output), Input, Output and Polarity inversion  
registers, and an I²C/SMBus-compatible serial interface.  
„ Individual I/O configuration  
„ Polarity inversion register  
„ Active low interrupt output  
„ Internal power-on reset  
Any of the sixteen I/Os can be configured as an input  
or output by writing to the configuration register. The  
system master can invert the CAT9555 input data by  
writing to the active-high polarity inversion register.  
„ No glitch on power-up  
„ Noise filter on SDA/SCL inputs  
„ Cascadable up to 8 devices  
„ Industrial temperature range  
The CAT9555 features an active low interrupt output  
which indicates to the system master that an input  
state has changed.  
„ RoHS-compliant 24-lead SOIC and TSSOP, and  
24-pad TQFN (4 x 4mm) packages  
The three address input pins provide the device's  
extended addressing capability and allow up to eight  
devices to share the same bus. The fixed part of the  
I²C slave address is the same as the CAT9554,  
allowing up to eight of these devices in any  
combination to be connected on the same bus.  
APPLICATIONS  
„ White goods (dishwashers, washing machines)  
„ Handheld devices (cell phones, PDAs, digital  
cameras)  
For Ordering Information details, see page 16.  
„ Data Communications (routers, hubs and servers)  
BLOCK DIAGRAM (1)  
A0  
A1  
A2  
I/O  
I/O  
1.0  
8-BIT  
1.1  
I/O  
1.2  
I/O  
1.3  
I/O  
1.4  
INPUT/  
OUTPUT  
PORTS  
WRITE pulse  
READ pulse  
I/O  
1.5  
I/O  
1.6  
I/O  
1.7  
2
I C/SMBUS  
CONTROL  
I/O  
I/O  
0.0  
SCL  
SDA  
8-BIT  
0.1  
INPUT  
FILTER  
I/O  
I/O  
I/O  
0.2  
0.3  
0.4  
INPUT/  
OUTPUT  
PORTS  
WRITE pulse  
READ pulse  
I/O  
0.5  
I/O  
0.6  
I/O  
0.7  
V
INT  
POWER-ON  
RESET  
V
CC  
V
SS  
INT  
LP FILTER  
Notes:  
(1) All I/Os are set to inputs at RESET  
© 2008 SCILLC. All rights reserved  
Characteristics subject to change without notice  
1
Doc. No. MD-9003, Rev. I  
 
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中文翻译

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CAT9555YI 替代型号

型号 品牌 替代类型 描述 数据表
TCA9535PWR TI

类似代替

 LOW VOLTAGE 16-BIT I2C AND SMBus LOW-POWER I/O EXPANDER WITH INTERRUPT OUTPUT AND CONFIGUR
PCF8575PWR TI

类似代替

 REMOTE 16-BIT I2C AND SMBus I/O EXPANDER WITH INTERRUPT OUTPUT
PCA9539RGER TI

类似代替

 REMOTE 16-BIT I2C AND SMBus LOW-POWER I/O EXPANDER WITH INTERRUPT OUTPUT, RESET, AND CONFI

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