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N74F243D Datasheet(PDF) 6 Page - NXP Semiconductors

Part # N74F243D
Description  Quad transceiver, inverting 3-State
PDF  10 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

N74F243D Datasheet(HTML) 6 Page - NXP Semiconductors

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Philips Semiconductors
Product specification
74F242/74F243
Transceivers
1990 Aug 30
6
AC ELECTRICAL CHARACTERISTICS
LIMITS
SYMBOL
PARAMETER
TEST
CONDITION
VCC = +5V
Tamb = +25°C
CL = 50pF, RL = 500Ω
VCC = +5V ± 10%
Tamb = 0°C to +70°C
CL = 50pF, RL = 500Ω
UNIT
MIN
TYP
MAX
MIN
MAX
tPLH
tPHL
Propagation delay
An, Bn to Bn, An
Waveform
NO TAG
2.5
2.0
3.5
3.0
6.0
4.5
2.5
2.0
7.0
4.5
ns
tPZH
tPZL
Output Enable time
to High or Low level
74F242
Waveform 3
Waveform 4
3.0
3.5
4.0
6.5
7.0
9.0
3.0
3.5
8.0
10.5
ns
tPHZ
tPLZ
Output Disable time
from High or Low level
Waveform 3
Waveform 4
3.5
3.5
5.5
6.0
8.5
9.5
3.5
3.5
9.0
11.0
ns
tPLH
tPHL
Propagation delay
An, Bn to Bn, An
Waveform 2
2.5
2.5
4.0
4.0
5.2
5.2
2.0
2.0
6.2
6.5
ns
tPZH
tPZL
Output Enable time
to High or Low level
74F243
Waveform 3
Waveform 4
2.0
2.0
4.5
5.0
5.7
7.5
2.0
2.0
6.7
8.5
ns
tPHZ
tPLZ
Output Disable time
from High or Low level
Waveform 3
Waveform 4
2.0
2.0
4.0
4.5
6.0
6.0
2.0
2.0
7.0
7.0
ns
AC WAVEFORMS
For all waveforms, VM = 1.5V.
An, Bn
Bn, An
tPHL
VM
VM
VM
VM
tPLH
SF00773
Waveform 1.
For Inverting Outputs
VM
VM
VM
VM
Bn, An
An, Bn
tPLH
tPHL
SF00202
Waveform 2.
For Non-Inverting Outputs
VM
VM
VM
tPLZ
tPZH
VOH –0.3V
OEA
OEB
An, Bn
SF00775
0V
Waveform 3.
3-State Output Enable Time to High Level and
Output Disable Time from High Level
VM
VM
VM
tPLZ
tPZL
VOL +0.3V
OEA
OEB
An, Bn
SF00776
Waveform 4.
3-State Output Enable Time to Low Level and
Output Disable Time from Low Level



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