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74ALVCH374PY PDF预览

74ALVCH374PY

更新时间: 2024-11-07 10:50:15
品牌 Logo 应用领域
艾迪悌 - IDT /
页数 文件大小 规格书
6页 89K
描述
SSOP-20, Tube

74ALVCH374PY 数据手册

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3.3V CMOS OCTAL POSITIVE  
IDT74ALVCH374  
EDGE-TRIGGERED D-TYPE  
FLIP-FLOP WITH 3-STATE  
OUTPUTS AND BUS-HOLD  
DESCRIPTION:  
FEATURES:  
0.5 MICRON CMOS Technology  
Thisoctalpostiveedge-triggeredD-typeflip-flopisbuiltusingadvanced  
dual metal CMOS technology. The ALVCH374 device is particularly  
suitableforimplementingbufferregisters,I/Oports,bidirectionalbusdrivers,  
andworkingregisters.Onthepositivetransitionoftheclock(CLK)input,the  
Qoutputs are settothe logiclevels atthe data (D)inputs.  
Typical t (o) (Output Skew) < 250ps  
SK  
ESD > 2000V per MIL-STD-883, Method 3015;  
> 200V using machine model (C = 200pF, R = 0)  
VCC = 3.3V ±0.3V, Normal Range  
V
CC  
= 2.7V to 3.6V, Extended Range  
VCC = 2.5V ±0.2V  
Abufferedoutput-enable(OE)inputcanbeusedtoplacetheeightoutputs  
ineithera normallogicstate (highorlowlogiclevels)ora high-impedance  
state.Inthehigh-impedancestate,theoutputsneitherloadnordrivethebus  
lines significantly.The high-impedance state andincreaseddrive provide  
thecapabilitytodrivebuslineswithoutinterfaceorpullupcomponents. OE  
does notaffectinternaloperations ofthelatch.Olddatacanberetainedor  
newdatacanbeenteredwhiletheoutputsareinthehigh-impedancestate.  
CMOS power levels (0.4µW typ. static)  
Rail-to-Rail output swing for increased noise margin  
Available in SOIC, SSOP, QSOP, and TSSOP packages  
Drive Features for ALVCH374:  
High Output Drivers: ±24mA  
Suitable for heavy loads  
The ALVCH374 has been designed with a ±24mA output driver. This  
driver is capable of driving a moderate to heavy load while maintaining  
speedperformance.  
APPLICATIONS:  
• 3.3V High Speed Systems  
• 3.3Vandlowervoltagecomputingsystems  
The ALVCH374 has a bus-hold” which retains the inputs’ last state  
wheneverthe inputbus goes toa highimpedance.This prevents floating  
inputs andeliminates the needforpull-up/downresistors.  
FUNCTIONALBLOCKDIAGRAM  
1
OE  
11  
CLK  
C1  
1D  
2
1Q  
3
1D  
TO SEVEN OTHER CHANNELS  
INDUSTRIAL TEMPERATURE RANGE  
MARCH1999  
1
c
1999 Integrated Device Technology, Inc.  
DSC-4473/-  

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