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Hc138_a p2 5

WebAug 8, 2024 · 74HC138组成32线译码器方法. 74HC138特有3个使能输入端：两个低有效（E1和E2）和一个高有效（E3）。. 除非E1和E2置低且E3置高，否则74HC138将保持 … http://www.iotword.com/9899.html

74VHC139 Dual 2-to-4 Decoder/Demultiplexer - Mouser …

WebTable 5. Recommended operating conditions Voltages are referenced to GND (ground = 0 V) Symbol Parameter Conditions 74HC138 74HCT138 Min Typ Max Min Typ Max Unit VCC supply voltage 2.0 5.0 6.0 4.5 5.0 5.5 V VI input voltage 0 - VCC 0 - VCC V VO output voltage 0 - VCC 0 - VCC V Tamb ambient temperature -40 +25 +125 -40 +25 +125 °C … WebJan 28, 2024 · 1、动态显示的基本原理与实现思路. 动态显示实质上就是轮流点亮单个数码管实现多位数码管整体显示的效果。. 在轮流显示过程中，每位数码管点亮时间为1～2ms，由于人的视觉暂留现象及发光二极管的余辉效应，尽管实际上各位数码管并非同时点亮，但只要 ... sbimf new website https://rhinotelevisionmedia.com

3-to-8 line decoder/demultiplexer; inverting - Nexperia

WebHIGH SPEED TRANSISTOR OPTOCOUPLERS, HC138 Datasheet, HC138 circuit, HC138 data sheet : QT, alldatasheet, Datasheet, Datasheet search site for Electronic Components and Semiconductors, integrated circuits, diodes, triacs and other semiconductors. WebApr 7, 2024 · Compare. Phone: (402) 679-8595. 65 TON LINKBELT HC 138 TRUCK CRANE. 110 FT TUBULAR BOOM. THIS IS A STRAIGHT CLEAN CRANE WITH ALL MANUALS .HYDRAULIC OUTRIGGERS OUT & DOWN.POWER LOAD LOWERING , POWER LOAD LOWERING BOOM. 5 SHIV 65...See More Details. sbimf new site

AA138 (AAL138) American Airlines Flight Tracking and History

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Hc138_a p2 5

3-to-8 line decoder/demultiplexer; inverting

Webfunction allows easy parallel expansion to a 1-of-32 (5 to 32 lines) decoder with just four '138 ICs and one inverter. The '138 can be used as an eight output demultiplexer by using … Web蓝桥杯单片机第十二届第一场省赛坑1坑2坑3坑4坑5坑6坑7坑8 仅记录试题中可能存在的坑。 源码和PDF题目0积分下载 坑1 hex文件是自动生成的， 没 记错的话是和工程名相同。

Hc138_a p2 5

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WebAug 7, 2024 · 基于74hc138译码器实验分析 详解74hc138译码器实验-74hc138是一款高速cmos器件，74hc138引脚兼容低功耗肖特基ttl（lsttl）系列。74hc138译码器可接受3位二进制加权地址输入（a0，a1和a2），并当使能时，提供8个互斥的低有效输出（y0至y7）。 WebApr 11, 2024 · 例如上图 ，OE已经接地，既OE已经为低电平。. 当LE为高电平，既Y7C为高电平时，输入与输出端接通。. 例如在蓝桥杯单片机上的简单应用（蓝桥杯单片机使用了38译码器来控制573锁存器的功能）：. #include . sbit HC138_A=P2^ 5; sbit HC138_B=P2^ 6; sbit HC138_C=P2^ 7 ...

WebCS 6750 HCI Assignment P1-1.5.pdf. 3 pages. Assignment P3 _ OMS CS6750.pdf Georgia Institute Of Technology Human-Computer Interact CS 6750 - Spring 2014 ... CS6750 … WebMC74HC138A www.onsemi.com 3 DC ELECTRICAL CHARACTERISTICS (Voltages Referenced to GND) Symbol Parameter Test Conditions VCC V Guaranteed Limit −55 C to 25 C85 125 Unit VIH Minimum High−Level Input Voltage Vout = 0.1 V or VCC – 0.1 V Iout 20 A 2.0 3.0 4.5 6.0 1.5 2.1 3.15

WebIIN Input Leakage Current 0 − 5.5 ±0.1 ±1.0 µAVIN = 5.5V or GND ICC Quiescent Supply Current 5.5 4.0 40.0 µAVIN = VCC or GND Symbol Parameter VCC (V) TA = 25°CTA = −40°C to +85°C Units Conditions Min Typ Max Min Max tPLH Propagation Delay 3.3 ± 0.3 7.2 11.0 1.0 13.0 ns CL = 15 pF Web22 rows · HC138 Datasheet, PDF. Search Partnumber : Match&Start with "HC138" - …

Web#include "reg52.h" sbit HC138_A = P2^5; sbit HC138_B = P2^6; sbit HC138_C = P2^7; void Init74HC138(unsigned char n) { switch(n) { case 4: //LED HC138_A = 0; HC138_B = 0; …

Web广东职业技术学院 欧浩源. 在CT107D单片机综合训练平台实现LED的基本控制和其他单片机开发平台不一样，不单单是控制几个LED实现跑马灯这么简单。. 因为在这个平台上要掌握74CH138译码器和74HC573锁存器的使用才能实现对LED的基本控制。. 因此，这个单元的重 … sbimf officeWebAnalog Embedded processing Semiconductor company TI.com input w htmlWebSN74HC138PW TSSOP (16) 5.00 mm x 4.40 mm SN54HC138J CDIP (16) 21.34 mm x 6.92 mm SN54HC138W CFP (16) 10.16 mm x 6.73 mm SN54HC138FK LCCC (20) 8.89 mm x 8.89 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. Pin numbers shown are for the D, DB, J, N, NS, PW, and W packages. sbimf online redemptionhttp://www.iotword.com/8331.html input warehouseWebHigh Speed CMOS Logic 3-to-8 Line Decoder Demultiplexer Inverting and Non-Inverting. Data sheet. CDx4HC138, CDx4HCT138, CDx4HC238, CDx4HCT238 High-Speed … sbimf online statementWeb2013-10-28 · 超过14用户采纳过TA的回答. 关注. 应该是你的138的译码器的地址端A连接到了单片机引脚P2^2，这行代码sbit HC138A = P2^2;只是一个定义，这样你对HC138A 的读写就相当于对单片机引脚P2^2的读写。. 其他两个类似。. 抢首赞. 评论. 分享. 举报. sbimf office near meWeb10-Mar-2024. 03:50PM EST Reagan National - DCA. 05:13PM EST Buffalo Niagara Intl - BUF. CRJ7. 1h 23m. Join FlightAware View more flight history Purchase entire flight … input warning 1121