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74F280 датащи(PDF) 5 Page - NXP Semiconductors

номер детали 74F280
подробное описание детали  9-bit odd/even parity generator/checker
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производитель  PHILIPS [NXP Semiconductors]
домашняя страница  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

74F280 датащи(HTML) 5 Page - NXP Semiconductors

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Philips Semiconductors
Product specification
74F280B
9-bit odd/even parity generator/checker
1996 Mar 12
5
AC ELECTRICAL CHARACTERISTICS
LIMITS
TEST
Tamb= +25°C
V
=+5 V
Tamb = 0°C to +70°C
V
=+5V
± 10%
Tamb = -40°C to +85°C
V
=+5V
± 10%
SYMBOL
PARAMETER
TEST
CONDITIONS
VCC = +5.V
CL = 50pF,
VCC = +5.V ± 10%
CL = 50pF,
VCC = +5.V ± 10%
CL = 50pF,
UNIT
CONDITIONS
CL = 50pF,
RL = 500Ω
CL = 50pF,
RL = 500Ω
CL = 50pF,
RL = 500Ω
Min
Typ
Max
Min
Max
Min
Max
tPLH
tPHL
Propagation delay
I0 - I8 to ΣE
74F280B
Waveform 1, 2
4.0
4.0
6.5
7.0
9.0
10.0
3.5
3.5
10.0
11.1
3.0
3.5
11.0
12.0
ns
ns
tPLH
tPHL
Propagation delay
I0 - I8 to ΣO
74F280B
Waveform 1, 2
4.0
4.0
6.5
7.0
9.0
10.0
3.5
3.5
10.0
11.0
3.0
3.5
11.0
12.0
ns
ns
AC WAVEFORMS
For all waveforms, VM=1.5V.
VM
VM
VM
VM
I0 - I8
ΣE, ΣO
tPHL
tPLH
SF00848
Waveform 1.
Propagation Delay for Inverting Outputs
VM
VM
VM
VM
I0 - I8
ΣE, ΣO
tPLH
tPHL
SF00850
Waveform 2.
Propagation Delay for Non-Inverting Outputs
TEST CIRCUIT AND WAVEFORM
tw
90%
VM
10%
90%
VM
10%
90%
VM
10%
90%
VM
10%
NEGATIVE
PULSE
POSITIVE
PULSE
tw
AMP (V)
0V
0V
tTHL (tf )
INPUT PULSE REQUIREMENTS
rep. rate
tw
tTLH
tTHL
1MHz
500ns
2.5ns
2.5ns
Input Pulse Definition
VCC
family
74F
D.U.T.
PULSE
GENERATOR
RL
CL
RT
VIN
VOUT
Test Circuit for Totem-Pole Outputs
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.
tTHL (tf )
tTLH (tr )
tTLH (tr )
AMP (V)
amplitude
3.0V
1.5V
VM
SF00006


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