http://forum.eet-cn.com/thread!printPreview.jspa?threadID=1200029698&start=0

以245为例，74AC245、74HC245、74AHC245、74ACT245、74LS245这几个有什么区别，各自的应用领域是什么？

这些逻辑电平对应的英文含义如下：

S -  Schottky Logic 
LS -  Low-Power Schottky Logic 
CD4000 - CMOS Logic 4000 
AS -  Advanced Schottky Logic 
74F -  Fast Logic 
ALS -  Advanced Low-Power Schottky Logic 
HC/HCT - High-Speed CMOS Logic 
BCT -  BiCMOS Technology 
AC/ACT - Advanced CMOS Logic 
FCT -  Fast CMOS Technology 
ABT -  Advanced BiCMOS Technology 
LVT -  Low-Voltage BiCMOS Technology 
LVC -  Low Voltage CMOS Technology 
LV -  Low-Voltage 
CBT -  Crossbar Technology 
ALVC -  Advanced Low-Voltage CMOS Technology 
AHC/AHCT - Advanced High-Speed CMOS 
CBTLV - Low-Voltage Crossbar Technology 
ALVT -  Advanced Low-Voltage BiCMOS Technology 
AVC -  Advanced Very-Low-Voltage CMOS Logic

ABT − Advanced BiCMOS Technology 
ABTE/ETL − Advanced BiCMOS Technology/Enhanced Transceiver Logic 
AC/ACT − Advanced CMOS Logic 
AHC/AHCT − Advanced High-Speed CMOS Logic 
ALB − Advanced Low-Voltage BiCMOS 
ALS − Advanced Low-Power Schottky Logic 
ALVC − Advanced Low-Voltage CMOS Technology 
ALVT − Advanced Low-Voltage BiCMOS Technology 
AS − Advanced Schottky Logic 
AUC − Advanced Ultra-Low-Voltage CMOS Logic 
AUP − Advanced Ultra-Low-Power CMOS Logic 
AVC − Advanced Very Low-Voltage CMOS Logic 
BCT − BiCMOS Bus-Interface Technology 
CB3Q − 2.5-V/3.3-V Low-Voltage High-Bandwidth Bus-Switch Crossbar Technology Logic 
CB3T − 2.5-V/3.3-V Low-Voltage Translator Bus-Switch Crossbar Technology Logic 
CBT − Crossbar Technology 
CBT-C − 5-V Bus-Switch Crossbar Technology Logic With −2-V Undershoot Protection 
CBTLV − Low-Voltage Crossbar Technology Logic
F − F Logic 
FB − Backplane Transceiver Logic/Futurebus+ 
GTL − Gunning Transceiver Logic 
GTLP − Gunning Transceiver Logic Plus 
HC/HCT − High-Speed CMOS Logic 
HSTL − High-Speed Transceiver Logic 
LS − Low-Power Schottky Logic 
LV-A − Low-Voltage CMOS Technology 
LV-AT − Low-Voltage CMOS Technology –TTL Compatible 
LVC − Low-Voltage CMOS Technology 
LVT − Low-Voltage BiCMOS Technology 
PCA/PCF − I2C Inter-Integrated Circuit Applications 
S − Schottky Logic 
SSTL − Stub Series-Terminated Logic 
SSTU − Stub Series-Terminated 
Ultra-Low-Voltage Logic SSTV/SSTVF − Stub Series-Terminated Low-Voltage Logic 
TVC − Translation Voltage Clamp Logic 
VME − VERSAmodule Eurocard Bus Technology

ABT   高级双极CMOS技术
ABTE/ETL  高级双极CMOS技术增强收发逻辑
AC/ACT   高级CMOS逻辑
AHC/AHCT  高级高速CMOS逻辑
ALB   高级低电压BiCMOS
ALS    高级低功耗肖特基逻辑
ALVC   高级低电压CMOS技术
ALVT   高级低电压BiCMOS技术
AS    高级肖特基逻辑
AUC   高级极低电压CMOS逻辑
AUP   高级极低功耗CMOS逻辑
AVC    高级很低电压CMOS逻辑
BCT   双极CMOS技术
CB3Q    2.5V、3.3V低电压高带宽总线交换纵横逻辑
CB3T    2.5V、3.3V低电压晶体管总线交换纵横逻辑
CBT   纵横技术
CBT-C   有2V下冲保护的5V总线交换纵横逻辑
CBTLV   低电压纵横技术逻辑
CD4000   CMOS逻辑4000系列
F   快速逻辑
FB    基底电极收发逻辑
FCT   高速CMOS技术
GTL   电子?收发逻辑
GTLP    电子?收发逻辑+
HC/HCT   高速CMOS逻辑
HSTL   高速收发逻辑
LS   低功耗肖特基逻辑
LV    低电压
LV-A   低电压CMOS技术
LV-AT   低电压CMOS技术并兼容TTL电平
LVC   低电压CMOS技术
LVT   低电压BiCMOS技术
S    肖特基逻辑
SSTL   抽头级联逻辑
SSTU   抽头级联极低电压逻辑
SSTV/SSTVF  抽头级联低电压逻辑
TVC    平移电压箝位逻辑