MC54HC4051
9000
DIP16/23+
只做進口原裝假一賠十
MC54HC4051
15988
SMD/25+
助力國營二十余載,一站式BOM配單
MC54HC4051J
432
DIP/25+
原裝認證有意請來電或QQ洽談
MC54HC4051J
19114
CDIP/24+
原裝不僅銷售也回收
MC54HC4051J
432
DIP/25+
原裝認證有意請來電或QQ洽談
MC54HC4051J
12500
DIP/24+
100%原裝深圳現貨
MC54HC4051J
47328
CDIP16/21+
低價出售原裝現貨可看貨假一罰十
MC54HC4051J
52701
CDIP/22+
只做原裝,專注海外現貨訂購20年
MC54HC4051J
9400
CDIP/23+
原裝現貨
MC54HC4051J
65428
CDIP/22+
只做現貨,一站式配單
MC54HC4051J
1587
CDIP/08+
原裝現貨0755-83202829QQ1196559117
MC54HC4051J
80000
CDIP/2023+
一級代理,原廠排單到貨,可開原型號13%專用發(fā)票
MC54HC4051J
9500
CDIP16/-
10年經銷原裝正品現貨/假一賠十 支BOM配單
MC54HC4051J
100
CDIP/1928+
原裝現貨,精專配套,正品BOM表報價
MC54HC4051J
256141
CDIP/25+
軍工單位、研究所指定合供方,一站式解決BOM配單
MC54HC4051J
8913
CDIP/23+
柒號芯城,離原廠的距離只有0.07公分
MC54HC4051J
32
DIP/-
-
MC54HC4051J
6310
CDIP16/20+
進品原裝,現貨庫存可開17%增值票
MC54HC4051J
30000
CDIP/24+
原裝,一站式BOM配單
MC54HC4051J
128000
CDIP/23+
全新原裝現貨/優(yōu)勢渠道/提供一站式配單
MC54HC4051
ANALOG MULTIPLEXERS DEMULTIPLEXERS
MOTOROLA
MC54HC4051PDF下載
MC54HC4051
Analog Multiplexers/Demultiplexers
ONSEMI
MC54HC4051PDF下載
MC54HC4051
ANALOG MULTIPLEXERS DEMULTIPLEXERS
MOTOROLA [Motorola, Inc]
MC54HC4051PDF下載
MC54HC4051
Analog Multiplexers/Demultiplexers
ONSEMI [ON Semiconductor]
MC54HC4051PDF下載
MC54HC4051
Analog Multiplexers/Demultiplexers
MOTOROLA [Motorola, Inc]
MC54HC4051PDF下載
MC54HC4051A
Motorola, Inc [ANALOG MULTIPLEXERS/...
MOTOROLA
MC54HC4051APDF下載
MC54HC4051J
Analog Multiplexers/Demultiplexers
ONSEMI
MC54HC4051JPDF下載
MC54HC4051J
Analog Multiplexers/Demultiplexers
MOTOROLA
MC54HC4051JPDF下載
MC54HC4051J
Analog Multiplexers/Demultiplexers
ONSEMI [ON Semiconductor]
MC54HC4051JPDF下載
MC54HC4051J
Analog Multiplexers/Demultiplexers
MOTOROLA [Motorola, Inc]
MC54HC4051JPDF下載
芯片ht9200a。拔號期間指示燈d1閃亮,撥通并得到pc機的命令,rb4繼續(xù)為0,指示燈d1常亮,此時可以進行采集數據的傳送。若在規(guī)定時間內未能撥通,rb4=1,繼電器繼電,指示燈d1滅,可再次按k鍵進行撥號。為減小體積,采用超小型ps系列的開關電源模塊ps0500ac5sr。 pic16c76單片機內含復位電路,可采用片外復位和上電片內自行復位,圖2選擇上電片內復位。pic16c76內含看門狗電路、368字節(jié)ram和8k字節(jié)rom、5路a/d轉換。這里僅用到ra0一路,通過多路模塊轉換開關mc54hc4051芯片擴展采集路數。每一片多路轉換開關有8路,共采用6片。某一片多路轉換開關的inh為高電平時,依據rb0、rb1、rb2的取值選擇某一路送到ra0。mc74hc04是六反相器,把74ls138選中的某一低電平信號反相變?yōu)楦唠娖?,從而選中多路模擬轉換開關的某一片。msm7512b是1200bps的半雙工fsk modem芯片,外圍接口電路簡單。mod1、mod2控制msm7512b的工作模式——調制/解調/掉電模式。rs是模擬信號輸出使能控制端,cd是輸入檢測的指示端。eai為外部信號輸入端,音頻