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74ACT245 PDF预览

74ACT245

更新时间: 2024-02-06 23:44:57
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 总线收发器输出元件
页数 文件大小 规格书
9页 265K
描述
OCTAL BUS TRANSCEIVER WITH 3 STATE OUTPUTS (NON INVERTED)

74ACT245 技术参数

生命周期:Contact Manufacturer包装说明:TSSOP-20
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.58Is Samacsys:N
系列:ACTJESD-30 代码:R-PDSO-G20
长度:6.5 mm逻辑集成电路类型:BUS TRANSCEIVER
位数:8功能数量:1
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
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
传播延迟(tpd):10 ns座面最大高度:1.1 mm
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
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL宽度:4.4 mm
Base Number Matches:1

74ACT245 数据手册

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74ACT245  
OCTAL BUS TRANSCEIVER  
WITH 3 STATE OUTPUTS (NON INVERTED)  
HIGH SPEED: t = 5.4ns (TYP.) at V = 5V  
PD CC  
LOW POWER DISSIPATION:  
I
= 4 µA(MAX.) at T =25°C  
CC  
A
COMPATIBLE WITH TTL OUTPUTS  
= 2V (MIN.), V = 0.8V (MAX.)  
50TRANSMISSION LINE DRIVING  
V
IH  
IL  
DIP  
SOP  
TSSOP  
T & R  
CAPABILITY  
SYMMETRICAL OUTPUT IMPEDANCE:  
|I | = I = 24mA (MIN)  
OH  
OL  
ORDER CODES  
PACKAGE  
BALANCED PROPAGATION DELAYS:  
TUBE  
t
t
PLH  
PHL  
OPERATING VOLTAGE RANGE:  
(OPR) = 4.5V to 5.5V  
DIP  
SOP  
74ACT245B  
74ACT245M  
V
CC  
74ACT245MTR  
74ACT245TTR  
PIN AND FUNCTION COMPATIBLE WITH  
74 SERIES 245  
IMPROVED LATCH-UP IMMUNITY  
TSSOP  
The device is designed to interface directly High  
Speed CMOS systems with TTL, NMOS and  
CMOS output voltage levels.  
DESCRIPTION  
The 74ACT245 is an advanced high-speed CMOS  
All inputs and outputs are equipped with  
protection circuits against static discharge, giving  
them 2KV ESD immunity and transient excess  
voltage.  
OCTAL  
BUS  
TRANSCEIVER  
(3-STATE)  
fabricated with sub-micron silicon gate and  
2
double-layer metal wiring C MOS tecnology.  
This IC is intended for two-way asynchronous  
communication between data buses and the  
direction of data transmission is determined by  
DIR input. The enable input G can be used to  
disable the device so that the buses are effectively  
isolated.  
IT IS PROHIBITED TO APPLY A SIGNAL TO A  
TERMINAL WHEN IT IS IN OUTPUT MODE AND  
WHEN A BUS THERMINAL IS FLOATING (HIGH  
IMPEDANCE STATE) IT IS REQUIRED TO FIX  
THE INPUT LEVEL BY MEANS OF EXTERNAL  
PULL DOWN OR PULL UP RESISTOR.  
PIN CONNECTION AND IEC LOGIC SYMBOLS  
April 2001  
1/9  

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