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IDT74LVCH2245AQ8 PDF预览

IDT74LVCH2245AQ8

更新时间: 2024-09-16 21:01:11
品牌 Logo 应用领域
艾迪悌 - IDT 光电二极管逻辑集成电路
页数 文件大小 规格书
7页 115K
描述
Bus Transceiver, LVC/LCX/Z Series, 1-Func, 8-Bit, True Output, CMOS, PDSO20, QSOP-20

IDT74LVCH2245AQ8 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:QSOP包装说明:SSOP,
针数:20Reach Compliance Code:compliant
HTS代码:8542.39.00.01风险等级:5.92
其他特性:WITH DIRECTION CONTROL系列:LVC/LCX/Z
JESD-30 代码:R-PDSO-G20长度:8.65 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:85 °C
最低工作温度:-40 °C输出特性:3-STATE WITH SERIES RESISTOR
输出极性:TRUE封装主体材料:PLASTIC/EPOXY
封装代码:SSOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, SHRINK PITCH峰值回流温度(摄氏度):NOT SPECIFIED
传播延迟(tpd):8.1 ns认证状态:Not Qualified
座面最大高度:1.75 mm最大供电电压 (Vsup):3.6 V
最小供电电压 (Vsup):2.7 V标称供电电压 (Vsup):3.3 V
表面贴装:YES技术:CMOS
温度等级:INDUSTRIAL端子形式:GULL WING
端子节距:0.635 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:3.9116 mm
Base Number Matches:1

IDT74LVCH2245AQ8 数据手册

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3.3V CMOS OCTAL BUS  
IDT74LVCH2245A  
TRANSCEIVER WITH 3-STATE  
OUTPUTS, 5 VOLT TOLERANT I/O,  
AND BUS-HOLD  
DESCRIPTION:  
FEATURES:  
0.5 MICRON CMOS Technology  
This bus transceiveris builtusingadvanceddualmetalCMOStechnol-  
ESD > 2000V per MIL-STD-883, Method 3015;  
> 200V using machine model (C = 200pF, R = 0)  
1.27mm pitch SOIC, 0.65mm pitch SSOP,  
0.635mm pitch QSOP, 0.65mm pitch TSSOP packages  
Extended commercial range of – 40°C to +85°C  
VCC = 3.3V ±0.3V, Normal Range  
ogy. TheLVCH2245Adeviceis designedforasynchronous communica-  
tionbetweendata buses.The device transmits data fromthe Abus tothe  
B bus or from the B bus to the A bus, depending on the logic level at the  
direction-control(DIR)input. The output-enable (OE)inputcanbe used  
todisable the device sothe buses are effectivelyisolated.  
V
CC  
= 2.3V to 3.6V, Extended Range  
Inputs canbedrivenfromeither3.3Vor5Vdevices.This featureallows  
the use of this device as a translator in a mixed 3.3V/5V environment.  
CMOS power levels (0.4µW typ. static)  
Rail-to-Rail output swing for increased noise margin  
All inputs, outputs and I/O are 5 Volt tolerant  
Supports hot insertion  
The LVCH2245Ahas series resistors inthe outputstructure ofthe B”  
port,whichwillsignificantlyreduce line noise whenusedwithlightloads.  
Thedriverhas beendesignedtodrive±12mAatthedesignatedthreshold  
levels. The "A" port has a ±24mA driver.  
Drive Features for LVCH2245A:  
Balanced Output Drivers: ±12mA (B port)  
High Output Drivers : ±24mA (A port)  
The LVCH2245A has bus-hold” which retains the inputs' last state  
whenevertheinputgoestoahigh-impedance.Thispreventsfloatinginputs  
andeliminates the needforpull-up/downresistors.  
APPLICATIONS:  
• 5V and 3.3V mixed voltage systems  
Data communication and telecommunication systems  
FUNCTIONALBLOCKDIAGRAM  
1
DIR  
19  
OE  
2
A1  
18  
B1  
TO SEVEN OTHER CHANNELS  
EXTENDED COMMERCIAL TEMPERATURE RANGE  
OCTOBER 1999  
1
c
1999 Integrated Device Technology, Inc.  
DSC-4937/-  

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