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74AC244M PDF预览

74AC244M

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

74AC244M 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-20
针数:20Reach Compliance Code:unknown
HTS代码:8542.39.00.01风险等级:5.13
Is Samacsys:N控制类型:ENABLE LOW
系列:ACJESD-30 代码:R-PDSO-G20
JESD-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):0.012 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: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: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):260
电源:3.3/5 VProp。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: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):3.3 V表面贴装:YES
技术:CMOS温度等级:MILITARY
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:40宽度:7.5 mm
Base Number Matches:1

74AC244M 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  

74AC244M 替代型号

型号 品牌 替代类型 描述 数据表
74AC244SCX TI

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