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MM74HCT244WMX_NL

更新时间： 2024-10-31 19:37:11
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 驱动光电二极管逻辑集成电路
页数 文件大小 规格书
8页 106K
描述
Bus Driver, HCT Series, 2-Func, 4-Bit, True Output, CMOS, PDSO20, 0.300 INCH, MS-013, SOIC-20

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MM74HCT244WMX_NL 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：SOIC包装说明：SOP, SOP20,.4
针数：20Reach Compliance Code：compliant
HTS代码：8542.39.00.01风险等级：5.1
控制类型：ENABLE LOW系列：HCT
JESD-30 代码：R-PDSO-G20JESD-609代码：e3
长度：12.8 mm负载电容（CL）：50 pF
逻辑集成电路类型：BUS DRIVER最大I（ol）：0.006 A
湿度敏感等级：1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封装等效代码：SOP20,.4
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
包装方法：TAPE AND REEL峰值回流温度（摄氏度）：260
电源：5 VProp。Delay @ Nom-Sup：25 ns
传播延迟（tpd）：35 ns认证状态：Not Qualified
座面最大高度：2.65 mm子类别：Bus Driver/Transceivers
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
端子面层：Matte Tin (Sn)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 mm
Base Number Matches：1

MM74HCT244WMX_NL 数据手册

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February 1984  
Revised May 2005  
MM74HCT240 • MM74HCT244  
Inverting Octal 3-STATE Buffer • Octal 3-STATE Buffer  
The MM74HCT240 is an inverting buffer and the  
MM74HCT244 is a non-inverting buffer. Each device has  
General Description  
The MM74HCT240 and MM74HCT244 3-STATE buffers  
two active low enables (1G and 2G), and each enable inde-  
utilize advanced silicon-gate CMOS technology and are  
pendently controls 4 buffers.  
general purpose high speed inverting and non-inverting  
All inputs are protected from damage due to static dis-  
buffers. They possess high drive current outputs which  
charge by diodes to VCC and Ground.  
enable high speed operation even when driving large bus  
capacitances. These circuits achieve speeds comparable  
Features  
to low power Schottky devices, while retaining the low  
power consumption of CMOS. All three devices are TTL  
input compatible and have a fanout of 15 LS-TTL equiva-  
lent inputs.  
■ TTL input compatible  
■ Typical propagation delay: 14 ns  
■ 3-STATE outputs for connection to system buses  
MM74HCT devices are intended to interface between TTL  
■ Low quiescent current: 80  
A
and NMOS components and standard CMOS devices.  
These parts are also plug-in replacements for LS-TTL  
devices and can be used to reduce power consumption in  
existing designs.  
■ High output drive current: 6 mA (min)  
Ordering Code:  
Order Number  
MM74HCT240WM  
MM74HCT240SJ  
MM74HCT240MTC  
MM74HCT240N  
MM74HCT244WM  
MM74HCT244SJ  
MM74HCT244MTC  
MM74HCT244N  
Package Number  
M20B  
Package Description  
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide  
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide  
M20D  
MTC20  
N20A  
20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide  
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide  
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide  
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide  
M20B  
M20D  
MTC20  
N20A  
20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide  
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide  
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.  
Connection Diagrams  
Pin Assignments for DIP, SOIC, SOP and TSSOP  
Top View  
Top View  
MM74HCT240  
MM74HCT244  
© 2005 Fairchild Semiconductor Corporation  
DS005365  
www.fairchildsemi.com  
12345678

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 		八路 3 态收发器
MM74HCT245MTCX_NL FAIRCHILD

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 		Bus Transceiver, HCT Series, 1-Func, 8-Bit, True Output, CMOS, PDSO20, 4.40 MM, MO-153AC,

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