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74VHCT244AM PDF预览

74VHCT244AM

更新时间: 2024-11-03 22:56:27
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 总线驱动器总线收发器输出元件
页数 文件大小 规格书
8页 66K
描述
OCTAL BUS BUFFER WITH 3 STATE OUTPUTS NON INVERTED

74VHCT244AM 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:5.16
控制类型:ENABLE LOW系列:AHCT/VHCT
JESD-30 代码:R-PDSO-G20JESD-609代码:e4
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):0.008 A
湿度敏感等级:3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
包装方法:TUBE峰值回流温度(摄氏度):NOT SPECIFIED
电源:5 VProp。Delay @ Nom-Sup:9.5 ns
传播延迟(tpd):9.5 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):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:MILITARY
端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)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

74VHCT244AM 数据手册

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74VHCT244A  
OCTAL BUS BUFFER  
WITH 3 STATE OUTPUTS (NON INVERTED)  
HIGH SPEED:tPD =3.9ns (TYP.) atVCC = 5V  
LOW POWER DISSIPATION:  
ICC =4 µA (MAX.) at TA =25 oC  
COMPATIBLEWITH TTL OUTPUTS:  
VIH =2V (MIN), VIL = 0.8V(MAX)  
POWERDOWN PROTECTIONON INPUTS&  
OUTPUTS  
SYMMETRICAL OUTPUT IMPEDANCE:  
|IOH| = IOL = 8 mA (MIN)  
BALANCEDPROPAGATIONDELAYS:  
tPLH tPHL  
M
T
(Micro Package)  
(TSSOPPackage)  
ORDER CODES :  
74VHCT244AM  
74VHCT244AT  
OPERATING VOLTAGERANGE:  
VCC (OPR)= 4.5V to 5.5V  
PIN AND FUNCTION COMPATIBLEWITH  
74 SERIES244  
This device is designed to be used with 3 state  
memory address drivers, etc.  
Power down protection is provided on all inputs  
and outputs and 0 to 7V can be accepted on  
inputs with no regard to the supply voltage. This  
device can be used to interface 5V to 3V.  
IMPROVED LATCH-UP IMMUNITY  
LOWNOISEVOLP = 0.9V(Max.)  
All inputs and outputs are equipped with  
protection circuits against static discharge, giving  
them 2KV ESD immunity and transient excess  
voltage.  
DESCRIPTION  
The 74VHCT244A is an advanced high speed  
CMOS OCTAL BUS BUFFER (3-STATE)  
fabricated with sub-micron silicon gate and  
double-layermetal wiring C2MOS technology.  
G output enable governs four BUS BUFFERs.  
PIN CONNECTION AND IEC LOGIC SYMBOLS  
1/8  
August 1999  

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