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CAT9554AYI-GT2 PDF预览

CAT9554AYI-GT2

更新时间: 2024-01-01 19:47:35
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
16页 173K
描述
8-bit I²C and SMBus I/O Port with Interrupt

CAT9554AYI-GT2 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:4.40 MM, HALOGEN FREE AND ROHS COMPLIANT, MO-153, TSSOP-16针数:16
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:1 week
风险等级:5.62Is Samacsys:N
JESD-30 代码:R-PDSO-G16JESD-609代码:e4
长度:5 mm湿度敏感等级:1
位数:8I/O 线路数量:8
端口数量:1端子数量:16
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:TSSOP16,.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:1.1 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:Nickel/Palladium/Gold (Ni/Pd/Au)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 mm
uPs/uCs/外围集成电路类型:PARALLEL IO PORT, GENERAL PURPOSEBase Number Matches:1

CAT9554AYI-GT2 数据手册

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CAT9554, CAT9554A  
8-bit I²C and SMBus I/O Port with Interrupt  
FEATURES  
„ 400kHz I²C bus compatible (1)  
DESCRIPTION  
The CAT9554 and CAT9554A are CMOS devices that  
provide 8-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.  
„ 2.3V to 5.5V operation  
„ Low stand-by current  
„ 5V tolerant I/Os  
„ 8 I/O pins that default to inputs at power-up  
„ High drive capability  
The CAT9554/9554A consist of an input port register,  
an output port register, a configuration register, a  
polarity inversion register 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 eight I/Os can be configured as an input or  
output by writing to the configuration register. The  
system master can invert the CAT9554/9554A 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 CAT9554/9554A features an active low interrupt  
output which indicates to the system master that an  
input state has changed.  
„ RoHS-compliant 16-lead SOIC and TSSOP, and  
16-pad TQFN (4 x 4mm) packages  
The device’s extended addressing capability allows up  
to 8 devices to share the same bus. The CAT9554A is  
identical to the CAT9554 except the fixed part of the  
I²C slave address is different. This allows up to 16 of  
devices (eight CAT9554 and eight CAT9554A) to be  
connected on the same bus.  
APPLICATIONS  
„ White goods (dishwashers, washing machines)  
„ Handheld devices (cell phones, PDAs, digital  
cameras)  
„ Data Communications (routers, hubs and  
servers)  
For Ordering Information details, see page 15.  
BLOCK DIAGRAM (1)  
A0  
A1  
I/O  
I/O  
0
1
A2  
I/O  
I/O  
I/O  
2
3
4
8-BIT  
SCL  
INPUT/  
OUTPUT  
PORTS  
INPUT  
FILTER  
2
I C/SMBUS  
SDA  
CONTROL  
WRITE pulse  
READ pulse  
I/O  
5
I/O  
6
I/O  
7
V
CC  
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-9002, Rev. F  
 

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