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74ALS139 Fiches technique(PDF) 4 Page - NXP Semiconductors

No de pièce 74ALS139
Description  Dual 1-of-4 decoder/demultiplexer
Download  8 Pages
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Fabricant  PHILIPS [NXP Semiconductors]
Site Internet  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

74ALS139 Fiches technique(HTML) 4 Page - NXP Semiconductors

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Philips Semiconductors
Product specification
74ALS139
Dual 1-of-4 decoder/demultiplexer
1991 Feb 08
4
DC ELECTRICAL CHARACTERISTICS
(Over recommended operating free-air temperature range unless otherwise noted.)
SYMBOL
PARAMETER
TEST CONDITIONS1
LIMITS
UNIT
SYMBOL
PARAMETER
TEST CONDITIONS1
MIN
TYP2
MAX
UNIT
VOH
High-level output voltage
VCC±10%, VIL = MAX, VIH = MIN, IOH = –0.4mA
VCC – 2
V
VO
Low level output voltage
VCC = MIN, VIL = MAX,
IOL = 4mA
0.25
0.40
V
VOL
Low-level output voltage
CC
,
IL
,
VIH = MIN
IOL = 8mA
0.35
0.50
V
VIK
Input clamp voltage
VCC = MIN, II = IIK
–0.73
–1.5
V
II
Input current at maximum input voltage
VCC = MAX, VI = 7.0V
0.1
mA
IIH
High-level input current
VCC = MAX, VI = 2.7V
20
µA
IIL
Low-level input current
VCC = MAX, VI = 0.5V
–0.1
mA
IO
Output current3
VCC = MAX, VO = 2.25V
-30
–112
mA
ICC
Supply current (total)
VCC = MAX
4.0
7.0
mA
NOTES:
1. For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions for the applicable type.
2. All typical values are at VCC = 5V, Tamb = 25°C.
3. The output conditions have been chosen to produce a current that closely approximate one half of the true short-circuit output current, IOS.
AC ELECTRICAL CHARACTERISTICS
LIMITS
SYMBOL
PARAMETER
TEST CONDITION
Tamb = 0°C to +70°C
VCC = +5.0V ± 10%
CL = 50pF, RL = 500Ω
UNIT
MIN
MAX
tPLH
tPHL
Propagation delay
An to Qn
Waveform 1, 2
3.0
3.0
10.0
12.0
ns
tPLH
tPHL
Propagation delay
En to Qn
Waveform 2
3.0
3.0
8.0
8.0
ns
AC WAVEFORMS
For all waveforms, VM = 1.3V.
VM
VM
VM
VM
Qn
An
tPHL
tPLH
SF00133
Waveform 1.
Propagation Delay for Inverting Outputs
VM
VM
VM
VM
Qn
An, En
tPHL
tPLH
SF00134
Waveform 2.
Propagation Delay for Non-inverting Outputs


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