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What is 74ALS645A-1?

This electronic component, produced by the manufacturer "NXP Semiconductors", performs the same function as "Octal transceiver 3-State".


74ALS645A-1 Datasheet PDF - NXP Semiconductors

Part Number 74ALS645A-1
Description Octal transceiver 3-State
Manufacturers NXP Semiconductors 
Logo NXP Semiconductors Logo 


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INTEGRATED CIRCUITS
74ALS645A/74ALS645A–1
Octal transceiver (3–State)
Product specification
IC05 Data Handbook
1991 Jun 03
Philips
Semiconductors

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74ALS645A-1 equivalent
Philips Semiconductors
Octal transceiver (3-State)
Product specification
74ALS645A/74ALS645A-1
AC WAVEFORMS
For all waveforms, VM = 1.3V.
An, Bn
Bn, An
VM
tPLH
VM
tPHL
VM VM
SC00096
Waveform 1. Propagation Delay for Non-inverting Outputs
OE
An, Bn
VM
tPZH
VM
VM
tPHZ
VOH -0.3V
0V
SC00094
Waveform 2. 3-State Output Enable Time to High Level
and Output Disable Time from High Level
OE VM
VM
An, Bn
tPZL
VM
tPLZ
3.5V
VOL +0.3V
SC00095
Waveform 3. 3-State Output Enable Time to Low Level
and Output Disable Time from Low Level
TEST CIRCUIT AND WAVEFORMS
PULSE
GENERATOR
VIN
VCC
VOUT
D.U.T.
RL
7.0V
90%
NEGATIVE
PULSE
tw
VM
10%
tTHL (tff)
VM
10%
tTLH (tr )
90%
AMP (V)
0.3V
RT CL RL
Test Circuit for 3-State Outputs
SWITCH POSITION
TEST SWITCH
tPLZ, tPZL closed
All other open
DEFINITIONS:
RL = Load resistor;
see AC electrical characteristics for value.
CL = Load capacitance includes jig and probe capacitance;
see AC electrical characteristics for value.
RT = Termination resistance should be equal to ZOUT of
pulse generators.
POSITIVE
PULSE
10%
tTLH (tr )
90%
VM
tw
tTHL (tf )
90%
VM
AMP (V)
10%
0.3V
Input Pulse Definition
INPUT PULSE REQUIREMENTS
Family
Amplitude VM Rep.Rate tw tTLH
74ALS 3.5V 1.3V 1MHz 500ns 2.0ns
tTHL
2.0ns
SC00072
1991 Jun 03
5


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for 74ALS645A-1 electronic component.


Information Total 8 Pages
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Featured Datasheets

Part NumberDescriptionMFRS
74ALS645A-1The function is Octal transceiver 3-State. NXP SemiconductorsNXP Semiconductors

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