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74ACT244B PDF预览

74ACT244B

更新时间: 2024-02-09 01:26:47
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
9页 72K
描述
OCTAL BUS BUFFER WITH 3 STATE OUTPUTS NON INVERTED

74ACT244B 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:TSSOP包装说明:TSSOP, TSSOP20,.25
针数:20Reach Compliance Code:compliant
HTS代码:8542.39.00.01风险等级:5.05
控制类型:ENABLE LOW系列:ACT
JESD-30 代码:R-PDSO-G20JESD-609代码:e4
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):0.024 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:TSSOP
封装等效代码:TSSOP20,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH包装方法:TAPE AND REEL
峰值回流温度(摄氏度):NOT SPECIFIED电源:5 V
Prop。Delay @ Nom-Sup:11 ns传播延迟(tpd):11 ns
认证状态:Not Qualified座面最大高度:1.1 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: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 mmBase Number Matches:1

74ACT244B 数据手册

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74ACT244  
OCTAL BUS BUFFER  
WITH 3 STATE OUTPUTS (NON INVERTED)  
HIGH SPEED:tPD =4.5ns (TYP.) atVCC = 5V  
LOW POWER DISSIPATION:  
CC =8 µA (MAX.) at TA =25 oC  
I
M
COMPATIBLEWITH TTL OUTPUTS  
VIH =2V (MIN), VIL = 0.8V(MAX)  
50TRANSMISSIONLINEDRIVING  
CAPABILITY  
SYMMETRICAL OUTPUT IMPEDANCE:  
|IOH| = IOL = 24 mA (MIN)  
BALANCEDPROPAGATIONDELAYS:  
tPLH tPHL  
OPERATING VOLTAGERANGE:  
(Micro Package)  
B
(Plastic Package)  
ORDER CODES :  
74ACT244B  
T
(TSSOP Package)  
74ACT244M  
74ACT244T  
G control output governs four BUS BUFFERs.  
This device is desibned to be used with 3 state  
memory address drivers, etc.  
The device is designed to interface directly High  
Speed CMOS systems with TTL, NMOS and  
CMOS output voltage levels.  
VCC (OPR)= 4.5V to 5.5V  
PIN AND FUNCTION COMPATIBLEWITH  
74 SERIES244  
IMPROVED LATCH-UP IMMUNITY  
DESCRIPTION  
The ACT244 is an advanced CMOS OCTAL BUS  
BUFFER (3-STATE) fabricated with sub-micron  
silicon gate and double-layermetal wiring C2MOS  
technology. It is ideal for low power applications  
mantaining high speed operation similar to  
equivalentBipolar Schottky TTL.  
All inputs and outputs are equipped with  
protection circuits against static discharge, giving  
them 2KV ESD immunity and transient excess  
voltage.  
PIN CONNECTION AND IEC LOGIC SYMBOLS  
1/9  
February 1999  

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