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74VHCT240AT PDF预览

74VHCT240AT

更新时间: 2024-02-24 04:54:38
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 66K
描述
OCTAL BUS BUFFER WITH 3 STATE OUTPUTS INVERTED

74VHCT240AT 技术参数

是否无铅:含铅是否Rohs认证:不符合
生命周期:Obsolete零件包装代码:TSSOP
包装说明:TSSOP-20针数:20
Reach Compliance Code:not_compliantHTS代码:8542.39.00.01
风险等级:5.17Is Samacsys:N
控制类型:ENABLE LOW系列:AHCT/VHCT
JESD-30 代码:R-PDSO-G20JESD-609代码:e0
长度:6.5 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
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:INVERTED
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装等效代码:TSSOP20,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):NOT SPECIFIED
电源:5 VProp。Delay @ Nom-Sup:10 ns
传播延迟(tpd):9.5 ns认证状态:Not Qualified
座面最大高度:1.2 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:Tin/Lead (Sn/Pb)端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:4.4 mm
Base Number Matches:1

74VHCT240AT 数据手册

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74VHCT240A  
OCTAL BUS BUFFER  
WITH 3 STATE OUTPUTS (INVERTED)  
HIGH SPEED:tPD =5 ns (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 :  
74VHCT240AM  
74VHCT240AT  
G output enable governs four BUS BUFFERs.  
This device is designed to be used with 3 state  
memory address drivers, etc.  
OPERATING VOLTAGERANGE:  
VCC (OPR)= 4.5V to 5.5V  
PIN AND FUNCTION COMPATIBLEWITH  
74 SERIES240  
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  
LOWNOISE:VOLP = 0.9V(Max.)  
DESCRIPTION  
All inputs and outputs are equipped with  
protection circuits against static discharge, giving  
them 2KV ESD immunity and transient excess  
voltage.  
The 74VHCT240A is an advanced high-speed  
CMOS OCTAL BUS BUFFER (3-STATE)  
fabricated with sub-micron silicon gate and  
double-layermetal wiring C2MOS technology.  
PIN CONNECTION AND IEC LOGIC SYMBOLS  
1/8  
August 1999  

74VHCT240AT 替代型号

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