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CAT9555WI-T1 PDF预览

CAT9555WI-T1

更新时间： 2024-01-23 00:52:37
品牌 Logo 应用领域
CATALYST 并行IO端口微控制器和处理器外围集成电路光电二极管PC
页数 文件大小 规格书
17页 213K
描述
16-bit I2C and SMBus I/O Port with Interrupt

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CAT9555WI-T1 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：SOIC
包装说明：SOP, SOP24,.4针数：24
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.19
Samacsys Confidence：3Samacsys Status：Released
2D Presentation：https://componentsearchengine.com/2D/0T/229596.1.1.pngSchematic Symbol：https://componentsearchengine.com/symbol.php?partID=229596
PCB Footprint：https://componentsearchengine.com/footprint.php?partID=2295963D View：https://componentsearchengine.com/viewer/3D.php?partID=229596
Samacsys PartID：229596Samacsys Image：https://componentsearchengine.com/Images/9/CAT9555WI-T1.jpg
Samacsys Thumbnail Image：https://componentsearchengine.com/Thumbnails/1/CAT9555WI-T1.jpgSamacsys Pin Count：24
Samacsys Part Category：Integrated CircuitSamacsys Package Category：Small Outline Packages
Samacsys Footprint Name：SOIC-24 CASE751BKSamacsys Released Date：2015-10-27 14:32:43
Is Samacsys：NJESD-30 代码：R-PDSO-G24
JESD-609代码：e3长度：15.3 mm
湿度敏感等级：3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：SOP封装等效代码：SOP24,.4
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
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：2.65 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：1.27 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：7.47 mmuPs/uCs/外围集成电路类型：PARALLEL IO PORT, GENERAL PURPOSE
Base Number Matches：1

CAT9555WI-T1 数据手册

 浏览型号CAT9555WI-T1的Datasheet PDF文件第4页浏览型号CAT9555WI-T1的Datasheet PDF文件第5页浏览型号CAT9555WI-T1的Datasheet PDF文件第6页浏览型号CAT9555WI-T1的Datasheet PDF文件第8页浏览型号CAT9555WI-T1的Datasheet PDF文件第9页浏览型号CAT9555WI-T1的Datasheet PDF文件第10页 
CAT9555  
A0, A1, A2: Device Address Inputs  
These inputs are used for extended addressing capabil-  
ity. The A0, A1, A2 pins should be hardwired to V or  
PIN DESCRIPTION  
SCL: Serial Clock  
CC  
V
. When hardwired, up to eight CAT9555s may be  
SS  
The serial clock input clocks all data transferred into or  
outofthedevice. TheSCLlinerequiresapull-upresistor  
if it is driven by an open drain output.  
addressed on a single bus system. The levels on these  
inputs are compared with corresponding bits, A2, A1,  
A0, from the slave address byte.  
SDA: Serial Data/Address  
I/O 0.0 to I/O 0.7, I/O 1.0 to I/O 1.7: Input / Output Ports  
The bidirectional serial data/address pin is used to  
transfer all data into and out of the device. The SDA pin  
is an open drain output and can be wire-ORed with other  
open drain or open collector outputs. A pull-up resistor  
Any of these pins may be configured as input or output.  
The simplified schematic of I/Os is shown in Figure 4.  
When an I/O is configured as an input, the Q1 and Q2  
output transistors are off creating a high impedance  
input with a weak pull-up resistor (typical 100 kohm). If  
the I/O pin is configured as an output, the push-pull  
output stage is enabled. Care should be taken if an  
external voltage is applied to an I/O pin configured as an  
output due to the low impedance paths that exist be-  
must be connected from SDA line to V . The value of  
CC  
the pull-up resistor, Rp, can be calculated based on  
minimumandmaximumvaluesfromFigure2andFigure  
3 (see Note).  
tween the pin and either V or V  
.
CC  
SS  
2.5  
2
8.00  
7.00  
6.00  
5.00  
4.00  
3.00  
2.00  
1.00  
0.00  
1.5  
1
0.5  
0
50  
100 150 200 250 300  
350 400  
2
2.4 2.8 3.2 3.6  
4
4.4 4.8 5.2 5.6  
V
(V)  
C
BUS  
(pF)  
CC  
Figure 2. Minimum Rp as a Function of Supply  
Voltage (I = 3mA @ V  
Figure 3. Maximum Rp Value versus Bus  
2
)
Capacitance (Fast Mode I C Bus / t  
= 300ns)  
OL  
OL max  
r max  
Note: According to the Fast Mode I2C bus specification, for bus capacitance up to 200pF, the pull up device  
can be a resistor. For bus loads between 200pF and 400pF, the pull-up device can be a current source  
(Imax = 3mA) or a switched resistor circuit.  
© 2007 by Catalyst Semiconductor, Inc.  
Characteristics subject to change without notice  
Doc. No. 8551, Rev. E  
7
1...45678910...17

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