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CAT9555YI-T2 PDF预览

CAT9555YI-T2

更新时间: 2024-01-14 21:19:21
品牌 Logo 应用领域
安森美 - ONSEMI 外围集成电路光电二极管PC
页数 文件大小 规格书
17页 190K
描述
16-bit I²C and SMBus I/O Port with Interrupt

CAT9555YI-T2 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:TSSOP
包装说明:TSSOP, TSSOP24,.25针数:24
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.14
JESD-30 代码:R-PDSO-G24JESD-609代码:e3
长度:7.8 mm湿度敏感等级:1
位数:16I/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):260
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:40宽度:4.4 mm
uPs/uCs/外围集成电路类型:PARALLEL IO PORT, GENERAL PURPOSEBase Number Matches:1

CAT9555YI-T2 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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