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74AC244B PDF预览

74AC244B

更新时间: 2024-11-21 22:53:11
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 总线驱动器总线收发器逻辑集成电路光电二极管输出元件
页数 文件大小 规格书
8页 82K
描述
OCTAL BUS BUFFER WITH 3 STATE OUTPUTS NON INVERTED

74AC244B 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:DIP包装说明:DIP, DIP20,.3
针数:20Reach Compliance Code:compliant
HTS代码:8542.39.00.01风险等级:5.11
控制类型:ENABLE LOW系列:AC
JESD-30 代码:R-PDIP-T20JESD-609代码:e3
负载电容(CL):50 pF逻辑集成电路类型:BUS DRIVER
最大I(ol):0.012 A位数:4
功能数量:2端口数量:2
端子数量:20最高工作温度:125 °C
最低工作温度:-55 °C输出特性:3-STATE
输出极性:TRUE封装主体材料:PLASTIC/EPOXY
封装代码:DIP封装等效代码:DIP20,.3
封装形状:RECTANGULAR封装形式:IN-LINE
峰值回流温度(摄氏度):NOT SPECIFIED电源:3.3/5 V
Prop。Delay @ Nom-Sup:10 ns传播延迟(tpd):12.5 ns
认证状态:Not Qualified座面最大高度:3.93 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):3.3 V
表面贴装:NO技术:CMOS
温度等级:MILITARY端子面层:Matte Tin (Sn)
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:7.62 mmBase Number Matches:1

74AC244B 数据手册

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74AC244  
OCTAL BUS BUFFER  
WITH 3 STATE OUTPUTS (NON INVERTED)  
HIGH SPEED: tPD = 4 ns (TYP.) at VCC = 5V  
LOW POWER DISSIPATION:  
ICC = 8 µA (MAX.) at TA = 25 oC  
HIGH NOISE IMMUNITY:  
VNIH = VNIL = 28% VCC (MIN.)  
50TRANSMISSION LINE DRIVING  
CAPABILITY  
SYMMETRICAL OUTPUT IMPEDANCE:  
|IOH| = IOL =24 mA (MIN)  
BALANCED PROPAGATION DELAYS:  
tPLH tPHL  
OPERATING VOLTAGE RANGE:  
B
M
(Plastic Package)  
(Micro Package)  
ORDER CODES :  
74AC244B  
74AC244M  
mantaining high speed operation similar to  
equivalentBipolar Schottky TTL.  
G control output governs four BUS BUFFERs.  
This device is desibned to be used with 3 state  
memory address drivers, etc.  
VCC (OPR) = 2V to 6V  
PIN AND FUNCTION COMPATIBLE WITH  
74 SERIES 244  
IMPROVED LATCH-UP IMMUNITY  
All inputs and outputs are equipped with  
protection circuits against static discharge, giving  
them 2KV ESD immunity and transient excess  
voltage.  
DESCRIPTION  
The AC244 is an advanced CMOS OCTAL BUS  
BUFFER (3-STATE) fabricated with sub-micron  
silicon gate and double-layer metal wiring C2MOS  
technology. It is ideal for low power applications  
PIN CONNECTION AND IEC LOGIC SYMBOLS  
1/8  
April 1997  

74AC244B 替代型号

型号 品牌 替代类型 描述 数据表
MC74AC244NG ONSEMI

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