74LVC574A：带5 V容压输入/输出的八频D型触发器；正沿触发器（三态）

74LVC574A是八路D类触发器，具有用于每个触发器的独立D类输入以及用于总线应用的三态输出。时钟（CP）和输出使能（OE）输入常用于所有触发器。

八个触发器会存储它们各自的D输入状态，满足CP从低到高转换的建立和保持时间要求。

OE为低电平时，八个触发器的内容在输出处可用。OE为高电平时，输出会进入高阻抗关断状态。OE输入的操作不会影响触发器的状态。

输入可从3.3 V器件或5 V器件驱动。禁用时，输出上最多可施加5.5 V的电压。该特性允许在3.3 V或5 V混合电压应用中将这些器件用作转换器。

74LVC574A在功能上等同于74LVC374A，但具有不同的引脚排列。

特性和优势
    • 与5 V逻辑器件连接的5 V容压输入和输出
    • 1.2 V至3.6 V的电源电压范围
    • CMOS低功耗
    • 直接与TTL电平连接
    • 高阻抗（VCC = 0 V时）
    • 8位正沿触发寄存器
    • 独立寄存器和三态缓冲器操作
    • 直通引脚排列架构
    • 符合JEDEC标准：
      • JESD8-7A（1.65 V至1.95 V）
      • JESD8-5A（2.3 V至2.7 V）
      • JESD8-C/JESD36（2.7 V至3.6 V）
    • JESD8-7A（1.65 V至1.95 V）
    • JESD8-5A（2.3 V至2.7 V）
    • JESD8-C/JESD36（2.7 V至3.6 V）
    • ESD保护：
      • HBM JESD22-A114F超过2000 V
      • MM JESD22-A115-B超过200 V
      • CDM JESD22-C101E超过1000 V
    • HBM JESD22-A114F超过2000 V
    • MM JESD22-A115-B超过200 V
    • CDM JESD22-C101E超过1000 V
    • 指定温度范围为-40 °C至+85 °C和-40 °C至+125 °C
产品图片
功能框图
Block diagram: 74LVC574ABQ, 74LVC574AD, 74LVC574ADB, 74LVC574APW
关键参数
型号Product statusVCC (V)Logic switching levelsOutput drive capability (mA)tpd (ns)fmax (MHz)Power dissipation considerationsTamb (Cel)Rth(j-a) (K/W)Ψth(j-top) (K/W)Rth(j-c) (K/W)Package name
74LVC574ABQProduction1.2 - 3.6CMOS/LVTTL+/- 243.2150low-40~1255023.0DHVQFN20
74LVC574ADProduction1.2 - 3.6CMOS/LVTTL+/- 243.2150low-40~1258527.661SO20
74LVC574ADBProduction1.2 - 3.6CMOS/LVTTL+/- 243.2150low-40~12513640.0SSOP20
74LVC574APWProduction1.2 - 3.6CMOS/LVTTL+/- 243.2150low-40~1251014.745TSSOP20
封装与包装
型号封装Outline versionReflow-/Wave soldering包装产品状态标示可订购的器件编号, (订购码 (12NC))
74LVC574ABQ
DHVQFN20
(SOT764-1)		sot764-1_posot764-1_frReel 7" Q1/T1量产LVC574A74LVC574ABQ,115( 9352 735 17115 )
74LVC574AD
SO20
(SOT163-1)		sot163-1_poReflow_Soldering_Profile
Wave_Soldering_Profile		Reel 13" Q1/T1量产74LVC574AD74LVC574AD,118( 9352 190 30118 )
Bulk Pack量产74LVC574AD74LVC574AD,112( 9352 190 30112 )
74LVC574ADB
SSOP20
(SOT339-1)		sot339-1_posot339-1_fr
SSOP-TSSOP-VSO-WAVE		Reel 13" Q1/T1量产LVC574A74LVC574ADB,118( 9352 190 40118 )
Bulk Pack量产LVC574A74LVC574ADB,112( 9352 190 40112 )
74LVC574APW
TSSOP20
(SOT360-1)		sot360-1_poSSOP-TSSOP-VSO-WAVEReel 13" Q1/T1量产LVC574A74LVC574APW,118( 9352 190 50118 )
Bulk Pack量产LVC574A74LVC574APW,112( 9352 190 50112 )
无铅环保信息
型号可订购的器件编号RoHS / RHF无铅转换日期EFRIFR (FIT)MTBF（小时）潮湿敏感度等级MSL LF
74LVC574ABQ74LVC574ABQ,115Always Pb-free123.83.872.58E811
74LVC574AD74LVC574AD,118week 30, 2004123.83.872.58E811
74LVC574AD74LVC574AD,112week 30, 2004123.83.872.58E811
74LVC574ADB74LVC574ADB,118week 17, 2005123.83.872.58E811
74LVC574ADB74LVC574ADB,112week 17, 2005123.83.872.58E811
74LVC574APW74LVC574APW,118week 7, 2005123.83.872.58E811
74LVC574APW74LVC574APW,112week 7, 2005123.83.872.58E811
文档资料
档案名称标题类型格式日期
74LVC574A (中文)Octal D-type flip-flop with 5 V tolerant inputs/outputs; positive edge-trigger; 3-stateData sheetpdf2012-12-18
AN240Interfacing 3 Volt and 5 Volt ApplicationsApplication notepdf1995-09-15
AN263Power considerations when using CMOS and BiCMOS logic devicesApplication notepdf2002-02-05
AN11009Pin FMEA for LVC familyApplication notepdf2011-02-04
AN10156Sorting through the low voltage logic mazeApplication notepdf2013-03-13
75017511Voltage translation: How to manage mixed-voltage designs with NXP level translatorsBrochurepdf2014-05-20
75017668Low voltage CMOS family - LVCBrochurepdf2015-07-10
lvc574alvc574a IBIS modelIBIS modelibs2013-04-07
lvclvc Spice modelSPICE modelzip2013-05-07
sot339-1_frFootprint for reflow soldering SOT339-1Reflow solderingpdf2009-10-08
sot339-1_poplastic shrink small outline package; 20 leads; body width 5.3 mmOutline drawingpdf2009-10-08
SSOP-TSSOP-VSO-WAVEFootprint for wave solderingWave solderingpdf2009-10-08
Wave_Soldering_ProfileWave Soldering ProfileWave solderingpdf2013-09-30
SOT163-1_518SO20; Reel dry pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,518 or Y Ordering code (12NC) ending 518Packingpdf2014-12-16
sot163-1_poplastic small outline package; 20 leads; body width 7.5 mmOutline drawingpdf2009-10-08
SOT163-1_118SO20; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering code (12NC) ending 118Packingpdf2013-04-15
SOT163-1_115Tape reel SMD; standard product orientation 12NC ending 115Packingpdf2013-04-25
Reflow_Soldering_ProfileReflow Soldering ProfileReflow solderingpdf2013-09-30
sot360-1_poplastic thin shrink small outline package; 20 leads; body width 4.4 mmOutline drawingpdf2009-10-08
SOT360-1_118TSSOP20; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering code (12NC) ending 118Packingpdf2013-04-15
SSOP-TSSOP-VSO-WAVEFootprint for wave solderingWave solderingpdf2009-10-08
sot764-1_poplastic dual in-line compatible thermal enhanced very thin quad flat package; no leads; 20 terminals; body 2.5 x 4.5 x 0.85 mmOutline drawingpdf2003-01-26
sot764-1_frFootprint for reflow soldering SOT764-1Reflow solderingpdf2009-10-08
SOT764-1_115DHVQFN20; Reel pack; SMD, 7" Q1/T1 Standard product orientation Orderable part number ending ,115 or X Ordering code (12NC) ending 115Packingpdf2013-04-23
订购信息
型号订购码 (12NC)可订购的器件编号
74LVC574ABQ9352 735 1711574LVC574ABQ,115
74LVC574AD9352 190 3011874LVC574AD,118
74LVC574AD9352 190 3011274LVC574AD,112
74LVC574ADB9352 190 4011874LVC574ADB,118
74LVC574ADB9352 190 4011274LVC574ADB,112
74LVC574APW9352 190 5011874LVC574APW,118
74LVC574APW9352 190 5011274LVC574APW,112
模型
标题类型日期
lvc574a IBIS modelIBIS model2013-04-07
lvc Spice modelSPICE model2013-05-07
Octal D-type flip-flop with 5 V tolerant inputs/outputs; positive edge-trigger; 3-state 74LVC574A
74LVC574A
Interfacing 3 Volt and 5 Volt Applications 74LVC377PW
Power considerations when using CMOS and BiCMOS logic devices 74AHCT244PW
Pin FMEA for LVC family 74LVC1G123_Q100
Sorting through the low voltage logic maze 74LVC_H_245A_Q100
Voltage translation: How to manage mixed-voltage designs with NXP® level translators 74AVC16245DGG-Q100
Low voltage CMOS family - LVC 74LVC_H_245A_Q100
Footprint for reflow soldering SOT339-1 74LVT640
plastic shrink small outline package; 20 leads; body width 5.3 mm 74LVT640
Reflow_Soldering_Profile Wave_Soldering_Profile LPC1112FD20
SO20; Reel dry pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,518 or... NPIC6C4894_Q100
plastic small outline package; 20 leads; body width 7.5 mm SA615
Reel 13" Q1/T1 LPC812M101JD20
Tape reel SMD; standard product orientation 12NC ending 115 buk1m200-50sgtd
Reflow_Soldering_Profile Wave_Soldering_Profile LPC1112FD20
plastic thin shrink small outline package; 20 leads; body width 4.4 mm PCA9634
Reel 13" Q1/T1 LPC824M201JDH20
SSOP-TSSOP-VSO-WAVE LPC1114FDH28
plastic dual in-line compatible thermal enhanced very thin quad flat package; no leads; 20 terminals; body 2.5 x 4.5 x 0.85 mm 74VHC_T_245
Footprint for reflow soldering SOT764-1 74VHC_T_245
DHVQFN20; Reel pack; SMD, 7" Q1/T1 Standard product orientation Orderable part number ending ,115 or... 74LVC_H_245A_Q100
lvc574a IBIS model 74LVC574A
lvc Spice model 74LVC3G17GT
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