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Hc138_a p2 5

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 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

小蜜蜂单片机——实现蜂鸣器与继电器的基本控制_......Oops的博客 …

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单片机流水灯代码练习-MCU running light code exercise. Contribute to Achfi/--Microcontroller-code-exercise-01 development by creating an account on GitHub. dst projects 2023 https://blame-me.org

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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. WebAnalog Embedded processing Semiconductor company TI.com WebHi-Craft® 12" x 5" x 3/4" Green Coarse Texture Float with Plastic Handle. Hi-Craft® 12" x 5" x 3/4" Green Coarse Texture Float with Plastic Handle. $6.90 . 12" x 5" x 3/4" Green Coarse Texture Float with Plastic Handle. SKU: HC138. This product has a minimum quantity of 50. dst project proposal 2021

【蓝桥杯单片机04】数码管的动态显示 - 小蜜蜂老师 - 博客园

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Hc138_a p2 5

HC136 Datasheet, PDF - Alldatasheet

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; HC138_C = 1; break; case 5: //蜂鸣器与译码器 HC138_A = 1; HC138_B = 0; HC138_C = 1; break; case 6: //数码管位置 HC138_A = 0; HC138_B = 1; HC138_C = 1; break; case 7: // … WebHigh Speed CMOS Logic 3-to-8 Line Decoder Demultiplexer Inverting and Non-Inverting. Data sheet. CDx4HC138, CDx4HCT138, CDx4HC238, CDx4HCT238 High-Speed …

Hc138_a p2 5

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WebOct 15, 2024 · 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 … Web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 …

±4-mA Output Drive at 5 V; Low Input Current of 1-µA Maximum; Active Low Outputs ( Selected Output is Low) Incorporate Three Enable Inputs to Simplify Cascading or Data Reception; The SNx4HC138 devices are designed to be used in high-performance memory-decoding or data-routing applications requiring very short propagation delay times. In high ... 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 ...

Web因为c51只有一组数码管，但是我们需要显示的东西有很多，所以通过按键切换是我们必须要知道的. 按键之间有嵌套，切换，计数，对于按键的使用我们是必须知道的 WebJan 11, 2024 · TM74HC138有三个使能控制端（E1 、 E2 、E 3），当E1 、E2为低电平且E3为高电平时，八个译码输出端才有译码输出，否则八个译码输出端将全为高。. …

Web因此，假如我们想要使第一个数码管显示0，我们应该先选择数码管，再给段码值。. 第一步，使能Y6C：. 第二步，向P0赋值0x01，选择第一个数码管：. 第三步，使能Y7C：. 第四步，向P0赋值0xc0（共阳），让数码管显示0：. #LED显示. 蓝桥杯开发板上的LED接法为阳极 …

http://www.iotword.com/10244.html razer g3xWeb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。 dst projects 2022WebApr 7, 2024 · Operating as Endeavor Air 5138. ALB Albany, NY. LGA New York, NY. left Gate B5 Albany Intl - ALB. arrived at Gate 73 LaGuardia - LGA. Friday 07-Apr-2024 … dst project proposal sampleWeb10-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 … dst projects listWebCS 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 … dst projectsWebHC138 Product details. 1-of-8 Decoder/Demultiplexer High-Performance Silicon-Gate CMOS. The SL74HC138 is identical in pinout to the … dst project srlhttp://www.iotword.com/8331.html razer game manager service 3