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MM74HC244WM PDF预览

MM74HC244WM

更新时间: 2024-09-30 23:02:43
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 逻辑集成电路光电二极管驱动
页数 文件大小 规格书
8页 95K
描述
Octal 3-STATE Buffer

MM74HC244WM 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Transferred零件包装代码:SOIC
包装说明:SOP, SOP20,.4针数:20
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:2.79
控制类型:ENABLE LOW系列:HC/UH
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
峰值回流温度(摄氏度):NOT SPECIFIED电源:2/6 V
Prop。Delay @ Nom-Sup:29 ns传播延迟(tpd):208 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):6 V
最小供电电压 (Vsup):2 V标称供电电压 (Vsup):4.5 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 mmBase Number Matches:1

MM74HC244WM 数据手册

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September 1983  
Revised August 2000  
MM74HC244  
Octal 3-STATE Buffer  
General Description  
Features  
The MM74HC244 is a non-inverting buffer and has two  
Typical propagation delay: 14 ns  
3-STATE outputs for connection to system buses  
Wide power supply range: 2–6V  
Low quiescent supply current: 80 µA  
Output current: 6 mA  
active low enables (1G and 2G); each enable indepen-  
dently controls  
4 buffers. This device does not have  
Schmitt trigger inputs.  
These 3-STATE buffers utilize advanced silicon-gate  
CMOS technology and are general purpose high speed  
non-inverting buffers. They possess high drive current out-  
puts which enable high speed operation even when driving  
large bus capacitances. These circuits achieve speeds  
comparable to low power Schottky devices, while retaining  
the advantage of CMOS circuitry, i.e., high noise immunity,  
and low power consumption. All three devices have a  
fanout of 15 LS-TTL equivalent inputs.  
All inputs are protected from damage due to static dis-  
charge by diodes to VCC and ground.  
Ordering Code:  
Order Number Package Number  
Package Description  
MM74HC244WM  
MM74HC244SJ  
MM74HC244MTC  
MM74HC244N  
M20B  
M20D  
MTC20  
N20A  
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300Wide  
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide  
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, 0.300Wide  
Devices also available in Tape and Reel. Specify by appending the suffix letter Xto the ordering code.  
Connection Diagram  
Truth Table  
1G  
L
1A  
1Y  
L
2G  
L
2A  
L
2Y  
L
L
H
L
L
H
Z
L
H
L
H
Z
H
H
H
H
H
Z
H
Z
H = HIGH Level  
L = LOW Level  
Z = High Impedance  
Top View  
© 2000 Fairchild Semiconductor Corporation  
DS005327  
www.fairchildsemi.com  

MM74HC244WM 替代型号

型号 品牌 替代类型 描述 数据表
MM74HC244WM ONSEMI

类似代替

八路 3 态缓冲器
MM74HC244WMX FAIRCHILD

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Bus Driver, HC/UH Series, 2-Func, 4-Bit, True Output, CMOS, PDSO20, 0.300 INCH, MS-013, SO
74VHC244M FAIRCHILD

类似代替

Octal Buffer/Line Driver with 3-STATE Outputs

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