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PCA9554ADWRG4

更新时间： 2024-01-29 18:36:02
品牌 Logo 应用领域
德州仪器 - TI 时钟光电二极管外围集成电路
页数 文件大小 规格书
37页 961K
描述
Remote 8-Bit I<sup>2</sup>C and SMBus I/O Expander with Interrupt Output and Configuration Registers 16-SOIC -40 to 85

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PCA9554ADWRG4 技术参数

是否Rohs认证：符合生命周期：Obsolete
零件包装代码：SOIC包装说明：SOIC-16
针数：16Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.18Is Samacsys：N
最大时钟频率：0.4 MHzJESD-30 代码：R-PDSO-G16
JESD-609代码：e4长度：10.3 mm
湿度敏感等级：1位数：8
I/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：SOP封装等效代码：SOP16,.4
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
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：2.65 mm
子类别：Parallel IO Ports最大压摆率：0.175 mA
最大供电电压：5.5 V最小供电电压：2.3 V
标称供电电压：5 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：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：7.5 mm
uPs/uCs/外围集成电路类型：PARALLEL IO PORT, GENERAL PURPOSEBase Number Matches：1

PCA9554ADWRG4 数据手册

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Sample &  
Buy  
Support &  
Community  
Product  
Folder  
Tools &  
Software  
Technical  
Documents  
PCA9554  
SCPS128C –JULY 2006–REVISED JUNE 2014  
PCA9554 Remote 8-Bit I2C AND SMBus I/O Expander With Interrupt Output and  
Configuration Registers  
1 Features  
2 Description  
•
I2C to Parallel Port Expander  
This 8-bit I/O expander for the two-line bidirectional  
bus (I2C) is designed for 2.3-V to 5.5-V VCC  
operation. It provides general-purpose remote I/O  
expansion for most microcontroller families via the I2C  
interface [serial clock (SCL), serial data (SDA)].  
1
•
•
Open-Drain Active-Low Interrupt Output  
Operating Power-Supply Voltage Range of 2.3 V  
to 5.5 V  
•
•
•
5-V Tolerant I/Os  
The PCA9554 consists of one 8-bit Configuration  
(input or output selection), Input, Output, and Polarity  
Inversion (active high or active low) registers. At  
power on, the I/Os are configured as inputs with a  
weak pullup to VCC. However, the system master can  
enable the I/Os as either inputs or outputs by writing  
to the I/O configuration bits. The data for each input  
or output is kept in the corresponding Input or Output  
register. The polarity of the Input Port register can be  
inverted with the Polarity Inversion register. All  
registers can be read by the system master.  
400-kHz Fast I2C Bus  
Three Hardware Address Pins Allow up to Eight  
Devices on the I2C/SMBus  
•
•
•
•
•
•
Input/Output Configuration Register  
Polarity Inversion Register  
Internal Power-On Reset  
Power-Up With All Channels Configured as Inputs  
No Glitch On Power Up  
Latched Outputs With High-Current Drive  
Maximum Capability for Directly Driving LEDs  
The system master can reset the PCA9554 in the  
event of a timeout or other improper operation by  
utilizing the power-on reset feature, which puts the  
registers in their default state and initializes the  
I2C/SMBus state machine.  
•
•
Latch-Up Performance Exceeds 100 mA Per  
JESD 78, Class II  
ESD Protection Exceeds JESD 22  
The PCA9554 open-drain interrupt (INT) output is  
activated when any input state differs from its  
corresponding Input Port register state and is used to  
indicate to the system master that an input state has  
changed.  
–
–
–
2000-V Human-Body Model (A114-A)  
200-V Machine Model (A115-A)  
1000-V Charged-Device Model (C101)  
Device Information(1)  
PART NUMBER  
PACKAGE  
BODY SIZE (NOM)  
6.20 mm × 5.30 mm  
4.00 mm × 4.00 mm  
3.00 mm × 3.00 mm  
SSOP (16)  
PCA9554  
VQFN (16)  
QFN (16)  
(1) For all available packages, see the orderable addendum at  
the end of the datasheet.  
DB, DBQ, DGV, DW, OR PW PACKAGE  
(TOP VIEW)  
RGV PACKAGE  
(TOP VIEW)  
RGT PACKAGE  
(TOP VIEW)  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
A0  
A1  
VCC  
SDA  
SCL  
INT  
P7  
16 15 14 13  
16 15 14 13  
1
2
12  
11  
A2  
P0  
P1  
SCL  
INT  
P7  
1
12  
A2  
P0  
P1  
SCL  
INT  
A2  
P0  
P1  
P2  
2
3
4
11  
10 P7  
3
4
10  
9
9
P2  
P6  
P6  
P5  
P2  
P6  
5
6
7
8
P3  
5
6
7
8
GND  
P4  
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,  
intellectual property matters and other important disclaimers. PRODUCTION DATA.  
 
 
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