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74HCT244D PDF预览

74HCT244D

更新时间: 2024-11-21 14:56:19
品牌 Logo 应用领域
东芝 - TOSHIBA /
页数 文件大小 规格书
8页 248K
描述
Not Recommended for New Design

74HCT244D 技术参数

是否Rohs认证: 符合生命周期:Active
包装说明:SOP,Reach Compliance Code:unknown
HTS代码:8542.39.00.01Factory Lead Time:12 weeks
风险等级:1.55系列:HCT
JESD-30 代码:R-PDSO-G20长度:12.8 mm
逻辑集成电路类型:BUS DRIVER位数:4
功能数量:2端口数量:2
端子数量:20最高工作温度:85 °C
最低工作温度:-40 °C输出特性:3-STATE
输出极性:TRUE封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):NOT SPECIFIED
传播延迟(tpd):41 ns座面最大高度:2.5 mm
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):4.5 V
标称供电电压 (Vsup):5 V表面贴装:YES
技术:CMOS温度等级:INDUSTRIAL
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:7.5 mmBase Number Matches:1

74HCT244D 数据手册

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74HCT240D,74HCT244D  
CMOS Digital Integrated Circuits Silicon Monolithic  
74HCT240D,74HCT244D  
1. Functional Description  
Octal Bus Buffer  
74HCT240D: INVERTED, 3-STATE OUTPUTS  
74HCT244D: NON-INVERTED, 3-STATE OUTPUTS  
2. General  
The 74HCT240D, and 74HCT244D are high speed CMOS OCTAL BUS BUFFERs fabricated with silicon gate  
C2MOS technology.  
They achieve the high speed operation similar to equivalent LSTTL while maintaining the CMOS low power  
dissipation.  
Their inputs are compatible with TTL, NMOS, and CMOS output voltage levels. The 74HCT240D is an inverting  
3-statebufferhavingtwoactive-lowoutputenables. The74HCT244Disnon-inverting3-statebuffertheHCT244A  
has two active-low output enables.  
These devices are designed to be used with 3-state memory address drivers, etc.  
All inputs are equipped with protection circuits against static discharge or transient excess voltage.  
3. Features  
(1) Wide operating temperature range: Topr = -40 to 125 (Note 1)  
(2) High speed: tpd = 13 ns (typ.) at VCC = 5.5 V  
(3) Low power dissipation: ICC = 4.0 µA (max) at Ta = 25 �  
(4) Compatible with TTL outputs: VIL = 0.8 V(max)  
VIH = 2.0 V(min)  
(5) Wide interfacing ability: LSTTL, NMOS, CMOS  
(6) Balanced propagation delays: tPLH tPHL  
Note 1: Operating Range spec of Topr = -40 to 125 is applicable only for the products which manufactured after  
July 2020.  
4. Packaging  
SOIC20  
Start of commercial production  
2020-07  
©2016-2020  
2020-11-17  
Rev.3.0  
1
Toshiba Electronic Devices & Storage Corporation  

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