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PCF8574ANE4 PDF预览

PCF8574ANE4

更新时间: 2024-11-11 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光电二极管时钟
页数 文件大小 规格书
21页 770K
描述
REMOTE 8-BIT I/O EXPANDER FOR I2C BUS

PCF8574ANE4 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:DIP
包装说明:DIP-16针数:16
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:6 weeks
风险等级:5.32Is Samacsys:N
最大时钟频率:0.1 MHzJESD-30 代码:R-PDIP-T16
JESD-609代码:e4长度:19.305 mm
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:DIP
封装等效代码:DIP16,.3封装形状:RECTANGULAR
封装形式:IN-LINE峰值回流温度(摄氏度):NOT SPECIFIED
电源:3/5 V认证状态:Not Qualified
座面最大高度:5.08 mm子类别:Parallel IO Port
最大压摆率:0.1 mA最大供电电压:6 V
最小供电电压:2.5 V标称供电电压:5 V
表面贴装:NO技术:CMOS
温度等级:INDUSTRIAL端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:7.62 mmuPs/uCs/外围集成电路类型:PARALLEL IO PORT, GENERAL PURPOSE
Base Number Matches:1

PCF8574ANE4 数据手册

 浏览型号PCF8574ANE4的Datasheet PDF文件第2页浏览型号PCF8574ANE4的Datasheet PDF文件第3页浏览型号PCF8574ANE4的Datasheet PDF文件第4页浏览型号PCF8574ANE4的Datasheet PDF文件第5页浏览型号PCF8574ANE4的Datasheet PDF文件第6页浏览型号PCF8574ANE4的Datasheet PDF文件第7页 
PCF8574A  
REMOTE 8-BIT I/O EXPANDER FOR I2C BUS  
www.ti.com  
SCPS069DJULY 2001REVISED OCTOBER 2005  
FEATURES  
Low Standby-Current Consumption of  
10 µA Max  
I2C to Parallel-Port Expander  
Compatible With Most Microcontrollers  
Latched Outputs With High-Current Drive  
Capability for Directly Driving LEDs  
Open-Drain Interrupt Output  
Latch-Up Performance Exceeds 100 mA Per  
JESD 78, Class II  
RGY PACKAGE  
(TOP VIEW)  
DGV OR PW PACKAGE  
(TOP VIEW)  
DW OR N PACKAGE  
(TOP VIEW)  
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
V
SDA  
A0  
A1  
1
2
3
4
5
6
7
8
16  
15  
INT  
SCL  
NC  
P7  
P6  
CC  
1
20  
19  
18  
17  
16  
15  
14  
13  
12  
2
3
4
5
6
7
8
9
SCL  
NC  
SDA  
P6  
NC  
P5  
P4  
GND  
P3  
14 SCL  
A2  
P0  
P1  
P2  
NC  
P5  
P4  
GND  
P3  
INT  
P7  
P6  
P5  
P4  
13  
12  
11  
10  
9
SDA  
V
CC  
V
CC  
A0  
A1  
NC  
A2  
P0  
A0  
A1  
NC  
A2  
P3  
GND  
NC  
P2  
P1  
NC  
P2  
10  
11  
NC − No internal connection  
NC − No internal connection  
DESCRIPTION/ORDERING INFORMATION  
This 8-bit input/output (I/O) expander for the two-line bidirectional bus (I2C) is designed for 2.5-V to 6-V VCC  
operation.  
The PCF8574A provides general-purpose remote I/O expansion for most microcontroller families via the I2C  
interface [serial clock (SCL), serial data (SDA)].  
The device features an 8-bit quasi-bidirectional I/O port (P0–P7), including latched outputs with high-current drive  
capability for directly driving LEDs. Each quasi-bidirectional I/O can be used as an input or output without the use  
of a data-direction control signal. At power on, the I/Os are high. In this mode, only a current source to VCC is  
active. An additional strong pullup to VCC allows fast rising edges into heavily loaded outputs. This device turns  
on when an output is written high and is switched off by the negative edge of SCL. The I/Os should be high  
before being used as inputs.  
ORDERING INFORMATION  
TA  
PACKAGE(1)  
ORDERABLE PART NUMBER  
PCF8574ARGYR  
PCF8574AN  
TOP-SIDE MARKING  
PF574A  
QFN – RGY  
PDIP – N  
Tape and reel  
Tube  
PCF8574AN  
Tube  
PCF8574ADW  
–40°C to 85°C  
SOIC – DW  
PCF8574A  
Tape and reel  
Tape and reel  
Tape and reel  
PCF8574ADWR  
TSSOP – PW  
TVSOP – DGV  
PCF8574APWR  
PF574A  
PF574A  
PCF8574ADGVR  
(1) Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at  
www.ti.com/sc/package.  
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 © 2001–2005, 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.  

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