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PDF 74F521 Data sheet ( Hoja de datos )
| Número de pieza | 74F521 | |
| Descripción | 8-bit identity comparator | |
| Fabricantes | Philips | |
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INTEGRATED CIRCUITS
74F521
8-bit identity comparator
Product specification
IC15 Data Handbook
Philips
Semiconductors
1990 May 15
1 page  
Philips Semiconductors
8-bit identity comparator
Product specification
74F521
AC ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
tPLH Propagation delay
tPHL
An or Bn to QA=B
tPLH
tPHL
Propagation delay
IA=B to QA=B
AC WAVEFORMS
For all waveforms, VM = 1.5V.
TEST
CONDITION
Waveform 1, 2
Waveform 2
LIMITS
VCC = +5.0V
Tamb = +25°C
CL = 50pF, RL = 500Ω
MIN TYP MAX
VCC = +5.0V ± 10%
Tamb = 0°C to +70°C
CL = 50pF, RL = 500Ω
MIN MAX
3.5 8.0 9.5
3.0 8.0 9.0
3.5
2.5
11.0
10.5
3.0 5.0 6.5
3.5 6.5 7.0
3.0
3.5
7.5
8.0
UNIT
ns
ns
An, Bn
QA=B
VM
tPHL
VM
VM
tPLH
VM
An, Bn
IA=B
QA=B
VM
tPLH
VM
VM
tPHL
VM
SF00278
Waveform 1. For Inverting Outputs
SF00279
Waveform 2. For Non-Inverting Outputs
TEST CIRCUIT AND WAVEFORMS
PULSE
GENERATOR
VIN
VCC
VOUT
D.U.T.
NEGATIVE
PULSE
90%
tw
VM
10%
tTHL (tf )
VM
10%
tTLH (tr )
90%
AMP (V)
0V
RT CL RL
Test Circuit for Totem-Pole Outputs
POSITIVE
PULSE
10%
tTLH (tr )
90%
VM
tw
tTHL (tf )
90%
VM
AMP (V)
10%
0V
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.
Input Pulse Definition
family
74F
INPUT PULSE REQUIREMENTS
amplitude VM rep. rate
tw tTLH
3.0V 1.5V 1MHz 500ns 2.5ns
tTHL
2.5ns
SF00006
May 15, 1990
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet 74F521.PDF ] | |
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