74HCT244D: 八进制缓冲器/线路驱动器;3态

74HC244;74HCT244是带3态输出的8位缓冲器/线路驱动器。该器件可用作两个4位缓冲器或一个8位缓冲器。该器件具有两个输出使能(1OE和2OE),每个使能都控制四个3态输出。nOE上的高电平使输出呈高阻抗关断状态。输入包括能使用限流电阻将输入连接到高于VCC的电压的钳位二极管。

多种封装选择

额定温度范围为-40 °C至+85 °C和-40 °C至+125 °C

74HCT244D: 产品结构框图
74HCT244D: 应用结构框图
74HCT244D: 应用结构框图
SOT163-1
数据手册 (1)
名称/描述Modified Date
Octal buffer/line driver; 3-state (REV 5.0) PDF (210.0 kB) 74HC_HCT244 [English]26 Feb 2016
应用说明 (3)
名称/描述Modified Date
Live Insertion Aspects of Philips Logic Families (REV 1.0) PDF (73.0 kB) AN252 [English]13 Mar 2013
Pin FMEA 74HC/74HCT family (REV 1.0) PDF (51.0 kB) AN11044 [English]16 Mar 2011
Power considerations when using CMOS and BiCMOS logic devices (REV 1.0) PDF (100.0 kB) AN263 [English]05 Feb 2002
用户指南 (1)
名称/描述Modified Date
HC/T User Guide (REV 1.0) PDF (508.0 kB) HCT_USER_GUIDE [English]01 Nov 1997
选型工具指南 (2)
名称/描述Modified Date
ロジック製品セレクションガイド... (REV 1.0) PDF (38.3 MB) LOGIC_SELECTION_GUIDE_2015_JP [English]19 Nov 2015
Logic selection guide 2016 (REV 1.1) PDF (15.3 MB) 75017285 [English]08 Jan 2015
封装信息 (1)
名称/描述Modified Date
plastic small outline package; 20 leads; body width 7.5 mm (REV 1.0) PDF (335.0 kB) SOT163-1 [English]08 Feb 2016
支持信息 (2)
名称/描述Modified Date
Reflow Soldering Profile (REV 1.0) PDF (34.0 kB) REFLOW_SOLDERING_PROFILE [English]30 Sep 2013
Wave Soldering Profile (REV 1.0) PDF (20.0 kB) WAVE_SOLDERING_PROFILE [English]30 Sep 2013
Design Support
SPICE
订购信息
型号状态FamilyVCC (V)功能说明Logic switching levelsOutput drive capability (mA)Package versionfmax (MHz)No of bitsPower dissipation considerationstpd (ns)Tamb (Cel)Rth(j-a) (K/W)Ψth(j-top) (K/W)Rth(j-c) (K/W)Package nameNo of pins
74HCT244DActiveHC(T)4.5 - 5.5Buffers/inverters/driversTTL enabled (3-state)TTL+/- 6SOT163-1368low11-40~1258527.561SO2020
封装环保信息
产品编号封装说明Outline Version回流/波峰焊接包装产品状态部件编号订购码 (12NC)Marking化学成分RoHS / 无铅 / RHF无铅转换日期EFRIFR(FIT)MTBF(小时)MSLMSL LF
74HCT244DSOT163-1Reflow_Soldering_Profile Wave_Soldering_Profile
Reflow_Soldering_Profile Wave_Soldering_Profile
Reel 13" Q1/T1 CECCActive74HCT244D,653 (9337 134 30653)74HCT244D74HCT244Dweek 30, 200484.96.621.51E811
Bulk Pack, CECCActive74HCT244D,652 (9337 134 30652)74HCT244D74HCT244Dweek 30, 200484.96.621.51E811
Octal buffer/line driver; 3-state 74HCT244PW
Live Insertion Aspects of Philips Logic Families 74HC_T_245_Q100
Pin FMEA 74HC/74HCT family 74HC_T_597_Q100
Power considerations when using CMOS and BiCMOS logic devices 74AHCT244PW
HC/T User Guide 74HCU04PW
ロジック製品セレクションガイド... 74LVC_H_245A_Q100
Logic selection guide 2016 74LVC_H_245A_Q100
D12_PC_sch_ver2_0_1 74HCT244PW
hc Spice model 74HCU04PW
SOT163-1 LPC1112FD20
Reflow_Soldering_Profile Wave_Soldering_Profile LPC1112FD20
Reflow_Soldering_Profile Wave_Soldering_Profile LPC1112FD20
74HC_T_244
74LVC_H_245A
SA615