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PCA9557RGVRG4 PDF预览

PCA9557RGVRG4

更新时间： 2024-12-01 05:59:47
品牌 Logo 应用领域
德州仪器 - TI 并行IO端口微控制器和处理器外围集成电路时钟
页数 文件大小 规格书
36页 1174K
描述
REMOTE 8-BIT I2C AND SMBus LOW-POWER I/O EXPANDER WITH RESET AND CONFIGURATION REGISTERS

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PCA9557RGVRG4 技术参数

是否Rohs认证：符合生命周期：Obsolete
零件包装代码：QFN包装说明：QFN-16
针数：16Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.22Is Samacsys：N
最大时钟频率：0.4 MHzJESD-30 代码：S-PQCC-N16
JESD-609代码：e4长度：4 mm
湿度敏感等级：2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：HVQCCN封装等效代码：LCC16,.16SQ,25
封装形状：SQUARE封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
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 mm
子类别：Parallel IO Ports最大压摆率：0.025 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：2.5 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：NO LEAD
端子节距：0.65 mm端子位置：QUAD
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：4 mm
uPs/uCs/外围集成电路类型：PARALLEL IO PORT, GENERAL PURPOSEBase Number Matches：1

PCA9557RGVRG4 数据手册

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PCA9557  
www.ti.com.................................................................................................................................................... SCPS133I–DECEMBER 2005–REVISED JUNE 2008  
REMOTE 8-BIT I2C AND SMBus LOW-POWER I/O EXPANDER  
WITH RESET AND CONFIGURATION REGISTERS  
1
FEATURES  
•
Low Standby Current Consumption of  
1 µA Max  
I2C to Parallel Port Expander  
•
•
•
Internal Power-On Reset  
High-Impedance Open Drain on P0  
•
•
Power Up With All Channels Configured as  
Inputs  
Operating Power-Supply Voltage Range of  
2.3 V to 5.5 V  
•
•
•
No Glitch on Power Up  
•
•
•
5-V Tolerant I/O Ports  
400-kHz Fast I2C Bus  
Noise Filter on SCL/SDA Inputs  
Latched Outputs With High Current Drive  
Maximum Capability for Directly Driving LEDs  
Three Hardware Address Pins Allow for Use of  
up to Eight Devices on I2C/SMBus  
•
•
Latch-Up Performance Exceeds 100 mA Per  
JESD 78, Class II  
•
Lower-Voltage Higher-Performance Migration  
Path for PCA9556  
ESD Protection Exceeds JESD 22  
•
•
•
Input/Output Configuration Register  
Polarity Inversion Register  
Active-Low Reset Input  
–
–
–
2000-V Human-Body Model (A114-A)  
200-V Machine Model (A115-A)  
1000-V Charged-Device Model (C101)  
RGV PACKAGE  
(TOP VIEW)  
RGY PACKAGE  
(TOP VIEW)  
D, DB, DGV, OR PW PACKAGE  
(TOP VIEW)  
VCC  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
SCL  
SDA  
A0  
16 15 14 13  
1
16  
2
3
4
5
6
7
15  
14  
13  
12  
11  
10  
SDA  
A0  
RESET  
P7  
RESET  
P7  
1
2
3
4
12  
11  
10  
9
A0  
A1  
A2  
P0  
P7  
P6  
P5  
P4  
A1  
P6  
A1  
P6  
A2  
P5  
A2  
P5  
P0  
P4  
P0  
P4  
P1  
P3  
8
9
P1  
P3  
5
6
7
8
GND  
P2  
DESCRIPTION/ORDERING INFORMATION  
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. The  
device provides general-purpose remote I/O expansion for most microcontroller families via the I2C interface  
[serial clock (SCL) and serial data (SDA)].  
The PCA9557 consists of one 8-bit configuration (input or output selection), input port, output port, and polarity  
inversion (active-high) registers. At power on, the I/Os are configured as inputs. 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.  
The device outputs (latched) have high-current drive capability for directly driving LEDs. The device has low  
current consumption.  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas  
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 2005–2008, Texas Instruments Incorporated  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
1234567...36

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PCA9557RGVRG4 替代型号

型号 品牌 替代类型 描述 数据表
PCA9557BS,118 NXP

功能相似

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