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74LCX540 Folha de dados(PDF) 6 Page - Fairchild Semiconductor

Nome de Peças. 74LCX540
descrição  Low Voltage Octal Buffer/Line Driver with 5V Tolerant Inputs and Outputs
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Fbricantes  FAIRCHILD [Fairchild Semiconductor]
Página de início  http://www.fairchildsemi.com
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74LCX540 Folha de dados(HTML) 6 Page - Fairchild Semiconductor

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74LCX540 Rev. 1.0.0
AC Loading and Waveforms (Generic for LCX Family)
Figure 1. AC Test Circuit (CL includes probe and jig capacitance)
Waveform for Inverting and
Non-Inverting Functions
Propagation Delay, Pulse Width and
trec Waveforms
3-STATE Output Low Enable and
Disable Times for Logic
3-STATE Output High Enable and
Disable Times for Logic
Setup Time, Hold Time and
Recovery Time for Logic
trise and tfall
Figure 2. Waveforms (Input Characteristics; f = 1MHz, tr = tf = 3ns)
Test
Switch
tPLH, tPHL
Open
tPZL, tPLZ
6V at VCC = 3.3 ± 0.3V
VCC x 2 at VCC = 2.5 ± 0.2V
tPZH, tPHZ
GND
VCC
DUT
CL
500
500
OPEN
tPLH, tPHL
tPZH, tPHZ
tPZL, tPLZ
GND
VI
TEST
SIGNAL
VCC
GND
DATA
IN
DATA
OUT
tpxx
tpxx
Vmi
Vmo
VCC
GND
CONTROL
IN
CLOCK
OUTPUT
tPHL
tPLH
trec
tW
Vmi
Vmi
Vmo
Vmo
VCC
VX
VOL
GND
DATA
OUT
OUTPUT
CONTROL
tPZL
tPLZ
Vmi
Vmo
DATA
IN
CONTROL
INPUT
MR
OR
CLEAR
tS
tS
tH
trec
VCC
GND
VCC
GND
Vmi
Vmi
Vmi
ANY
OUTPUT
tr
tf
VOH
VOL
10%
10%
90%
90%
Symbol
VCC
3.3V
± 0.3V
2.7V
2.5V
± 0.2V
Vmi
1.5V
1.5V
VCC / 2
Vmo
1.5V
1.5V
VCC / 2
Vx
VOL + 0.3V
VOL + 0.3V
VOL + 0.15V
Vy
VOH − 0.3V
VOH − 0.3V
VOH − 0.15V
DATA
OUT
OUTPUT
CONTROL
tPZH
tPHZ
VCC
GND
Vmi
VOH
VY
Vmo


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