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PDF 74F258A Data sheet ( Hoja de datos )
| Número de pieza | 74F258A | |
| Descripción | Quad 2-line to 1-line selector/multiplexer / inverting 3-State | |
| Fabricantes | Philips | |
| Logotipo |  |
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INTEGRATED CIRCUITS
74F258A
Quad 2-line to 1-line selector/multiplexer,
inverting (3-State)
Product specification
IC15 Data Handbook
1996 Jan 05
Philips
Semiconductors
1 page  
Philips Semiconductors
Quad 2-line to 1-line selector/multiplexer, inverting
(3-State)
Product specification
74F258A
AC WAVEFORMS
For all waveforms, VM = 1.5V.
In VM
VM
tPHL
tPLH
Yn VM VM
SF00819
Waveform 1. Propagation Delay
Data and Select to Output
S VM
VM
tPHL
tPLH
Yn VM VM
SF00820
Waveform 2. Propagation Delay
Select to Output
OE VM
tPZH
VM
tPHZ
VOH -0.3V
Yn VM
0V
SF00821
Waveform 3. 3-State Output Enable Time to High Level and
Output Disable Time from High Level
TEST CIRCUIT AND WAVEFORM
OE VM
VM
tPZL
tPLZ
Yn VM
VOL +0.3V
SF00822
Waveform 4. 3-State Output Enable Time to Low Level and
Output Disable Time from Low Level
VCC
PULSE
GENERATOR
VIN
VOUT
D.U.T.
RL
RT CL RL
Test Circuit for 3-State Outputs
SWITCH POSITION
TEST
tPLZ
tPZL
All other
SWITCH
closed
closed
open
7.0V
90%
NEGATIVE
PULSE
POSITIVE
PULSE
10%
tw
VM
10%
tTHL (tf )
VM
10%
tTLH (tr )
tTLH (tr )
90%
VM
tw
tTHL (tf )
90%
VM
Input Pulse Definition
90%
AMP (V)
0V
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 REQUIREMENTS
family
amplitude VM rep. rate
tw tTLH
74F 3.0V 1.5V 1MHz 500ns 2.5ns
tTHL
2.5ns
SF00777
1996 Jan 05
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet 74F258A.PDF ] | |
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