74HC(T)299：8位通用移位寄存器；3态

74HC299；74HCT299是高速硅栅CMOS器件，与低功耗肖特基TTL (LSTTL)针脚兼容。该类器件的规格符合JEDEC标准no. 7A。

74F299包含八个边沿触发D型触发器和执行同步右移、左移、并行负载和保持操作所必需的级间逻辑。操作由模式选择输入S0和S1确定。

针脚I/O0至I/O7是触发器3态缓冲器输出，这允许它们在并行负载模式中用作数据输入。串行输出Q0和Q7用于在较长字的串行位移中实现扩展。

MR异步主复位输入上的低电平信号覆盖Sn和时钟CP输入并复位触发器。所有其他状态变化由时钟脉冲的上升沿启动。只要遵照建议的设置和保持时间，时钟处于任意状态时输入都可能发生变化。

3态输出使能输入OE1或OE2上的高电平信号会禁用3态缓冲器且I/On输会被置于高阻抗关断状态。在这种情况下，准备并行负载操作时移位、保持、负载和复位操作仍会发生。3态缓冲器还可由S0和S1上的高电平信号禁用。

特性和优势
    • 多路复用输入/输出提供更高的位密度
    • 四种工作模式：
      • 左移
      • 右移
      • 保持（存储）
      • 加载数据
    • 左移
    • 右移
    • 保持（存储）
    • 加载数据
    • 工作时采用输出使能或处于高阻抗关断状态(Z)
    • 3态输出直接驱动总线线路
    • 可级联n位字长
    • ESD保护：
      • HBM JESD22-A114E超过2000 V
      • MM JESD22-A115-A超过200 V
    • HBM JESD22-A114E超过2000 V
    • MM JESD22-A115-A超过200 V
    • 额定温度范围为-40 °C至+85 °C和-40 °C至+125 °C
产品图片
功能框图
Block diagram: 74HC299D, 74HC299DB, 74HC299N, 74HC299PW, 74HCT299D, 74HCT299DB, 74HCT299N, 74HCT299PW
关键参数
型号Product statusVCC (V)Logic switching levelsOutput drive capability (mA)tpd (ns)fmax (MHz)No of bitsPower dissipation considerationsTamb (Cel)Rth(j-a) (K/W)Ψth(j-top) (K/W)Rth(j-c) (K/W)Package name
74HC299DProduction2.0 - 6.0CMOS+/- 7.819548low-40~125636.038SO20
74HC299DBProduction2.0 - 6.0CMOS+/- 7.819548low-40~12513640.0SSOP20
74HC299PWProduction2.0 - 6.0CMOS+/- 7.819548low-40~125861.028TSSOP20
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))
74HC299D
SO20
(SOT163-1)		sot163-1_poReflow_Soldering_Profile
Wave_Soldering_Profile		Reel 13" Q1/T1 CECC量产74HC299D74HC299D,653( 9337 135 40653 )
Bulk Pack, CECC量产74HC299D74HC299D,652( 9337 135 40652 )
74HC299DB
SSOP20
(SOT339-1)		sot339-1_posot339-1_fr
SSOP-TSSOP-VSO-WAVE		Reel 13" Q1/T1量产HC29974HC299DB,118( 9351 898 90118 )
Bulk Pack量产HC29974HC299DB,112( 9351 898 90112 )
74HC299PW
TSSOP20
(SOT360-1)		sot360-1_poSSOP-TSSOP-VSO-WAVEReel 13" Q1/T1量产HC29974HC299PW,118( 9352 869 24118 )
Bulk Pack量产HC29974HC299PW,112( 9352 869 24112 )
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
74HC299D74HC299D,653week 4, 200484.96.621.51E811
74HC299D74HC299D,652week 4, 200484.96.621.51E811
74HC299DB74HC299DB,118week 17, 200584.96.621.51E811
74HC299DB74HC299DB,112week 17, 200584.96.621.51E811
74HC299PW74HC299PW,118Always Pb-free84.96.621.51E811
74HC299PW74HC299PW,112Always Pb-free84.96.621.51E811
文档资料
档案名称标题类型格式日期
74HC_HCT299 (中文)8-bit universal shift register; 3-stateData sheetpdf2008-07-28
AN11044Pin FMEA 74HC/74HCT familyApplication notepdf2011-03-16
75017511Voltage translation: How to manage mixed-voltage designs with NXP level translatorsBrochurepdf2014-05-20
75017285Logic selection guide 2015Selection guidepdf2015-01-08
HCT_USER_GUIDEHC/T User GuideUser manualpdf1997-11-01
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
订购信息
型号订购码 (12NC)可订购的器件编号
74HC299D9337 135 4065374HC299D,653
74HC299D9337 135 4065274HC299D,652
74HC299DB9351 898 9011874HC299DB,118
74HC299DB9351 898 9011274HC299DB,112
74HC299PW9352 869 2411874HC299PW,118
74HC299PW9352 869 2411274HC299PW,112
8-bit universal shift register; 3-state 74HC_T_299
74HC_T_299
Pin FMEA 74HC/74HCT family 74HC_T_597_Q100
Voltage translation: How to manage mixed-voltage designs with NXP® level translators 74AVC16245DGG-Q100
Logic selection guide 2016 74LVC_H_245A_Q100
HC/T User Guide 74HCU04PW
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
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