移位寄存器74HC595中文資料

1、移位寄存器74HC595中文資料既既既既移位寄存器74HC595中文資料74HC595是一款漏極開路輸出的CMOS移位寄存器，輸出端口為可控的三態(tài)輸出端，亦能串行 輸出控制下一級級聯(lián)芯片。74HC595 特點：高速移位時鐘頻率Fmax25MHz標準串行(SPI)接口CMOS串行輸出，可用于多個設(shè)備的級聯(lián)低功耗：TA =25C時，Icc=4A (MAX)Top View圖1 74HC595引腳圖74HC595引腳功能表:管腳編號管腳名管腳定義功能1、2、3、4、5、6、7、15QAQH三態(tài)輸出管腳8GND電源地9SQH串行數(shù)據(jù)輸出管腳10SCLR移位寄存器清零端11SCK數(shù)據(jù)輸入時鐘線12RCK

2、輸出存儲器鎖存時鐘線13OE輸出使能14SI數(shù)據(jù)線15VCC電源端圖2 74HC595邏輯圖74HC595真值表:輸入管腳輸出管腳SISCKSCLRRCKOEXXXXHQAQH輸出高阻XXXXLQAQH輸出有效值XXLXX移位寄存器清零L上沿HXX移位寄存器存儲LH上沿HXX移位寄存器存儲HX下沿HXX移位寄存器狀態(tài)保持XXX上沿X輸出存儲器鎖存移位寄存器中的 狀態(tài)值XXX下沿X輸出存儲器狀態(tài)保持74HC595 參數(shù):Absolute Maximum Ratings 絕對最大額定值參數(shù)數(shù)值Supply Voltage 電源電壓(VCC)-0.5 to +7.0VDC Input Voltage

3、 直流輸入電壓(VIN)-1.5 to VCC +1.5VDC Output Voltage 直流輸出電壓(VOUT)-0.5 to VCC +0.5VClamp Diode Current 鉗位二極管電流(IIK, IOK)20mADC Output Current直流輸出電流，每個引腳（輸出）35mADC VCC or GND Current,per pin (ICC)70mAStorage Temperature Range 儲存溫度范圍(TSTG)-65C to +150CPower Dissipation 功耗(PD)(Note 3)600mWS.O. Package only500

4、mWLead Temperature (TL) (Soldering 10 seconds)260CRecommended Operating Conditions 建議操作條件參數(shù)最小最大單位Supply Voltage 電源電壓(VCC)26vDC Input or Output Voltage(VIN, VOUT)輸入輸出電壓0VCCVOperating Temperature Range 工作溫度范圍(TA)-40+85CInput Rise or Fall Times輸入上升或下降時間(tr,tf) VCC = 2.0V_1000nsVCC = 4.5V_500nsVCC = 6.0

5、V_400nsDC SPECIFICATIONS直流電氣規(guī)格Symbol 符號Parameter 參數(shù)Conditions 條件VCCTA=25CTA= -40to85CTA= -55to125CUNIT單位典型Guaranteed Limits 保證界限VIHMinimum High Level InputVoltage最大高電平輸入電 壓_2.0V_1.51.51.5V4.5V_3.153.153.156.0V_4.24.24.2VILMaximum LOW Level InputVoltage最大低電平輸入電 壓_2.0V_0.50.50.5V4.5V_1.351.351.356.0V_

6、1.81.81.8VOHMinimum HIGH Level OutputVoltage最大高電平輸出電 壓VIN=VIH orVIL|l0UT|W20p A2.0V2.01.91.91.9V4.5V4.54.44.44.46.0V6.05.95.95.9QHVIN = VIH or VILV| IOUT| W4.0mA4.5V4.23.983.843.7| IOUT| W5.2mA6.0V5.25.485.345.2QA thru QHVIN = VIH or VILV| IOUT| W6.0mA4.5V4.23.983.843.7IOUT| W 7.8mA6.0V5.75.485.345.

7、2VOLMaximum LOW Level OutputVoltage最大低電平輸出電 壓VIN=VIH orVIL|IOUT| W20p A2.0V00.10.10.1V4.5V00.10.10.16.0V00.10.10.1QHVIN = VIH or VILV| IOUT| W 4mA4.5V0.20.260.330.4| IOUT| W5.2mA6.0V0.20.260.330.4QA thru QHVIN = VIH or VILV| IOUT| W6.0mA4.5V0.20.260.330.4| IOUT| W7.8mA6.0V0.20.260.330.4IINMaximum In

8、put Current 最 大輸入電流VIN=VCC or GND6.0V_0.11.01.0|J AIOZMaximum 3-STATE OutputLeakage最大3態(tài)輸出泄漏 電流VOUT = VCC or GNDG = VIH6.0V_0.55.010|J AICCMaximum Quiescent SupplyVIN=VCC or GND6.0V_8.080160J ACurrent電源電流IOUT = 0p A交流電氣特性:Symbol 符號Parameter 參數(shù)Conditions 條件典型GuaranteedLimitUNIT單位fMax最高工作頻率_5030MHztPHL

9、, tPLHMaximum Propagation Delay,最大傳輸延遲 SCK to Q HCL = 45 pF1220nstPHL, tPLHMaximum Propagation Delay,最大傳輸延遲 RCK to QA thru QHCL = 45 pF1830nstPZH, tPZLMaximum Output Enable Time from G to QA thru QH 最大 輸出啟用時間G to QA thru QHRL=1kQCL=45pF1728nstPHZ, tPLZMaximum Output Disable Time from G to QA thru QH最大 輸出禁用時間G to QA thru QHRL=1kQCL=5pF1525nstSMinimum Setup Time from SER to SCK_20nstSMinimum Setup Time from