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74HCT238 Arkusz danych(PDF) 6 Page - NXP Semiconductors

Numer części 74HCT238
Szczegółowy opis  3-to-8 line decoder/demultiplexer
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Producent  NXP [NXP Semiconductors]
Strona internetowa  http://www.nxp.com
Logo NXP - NXP Semiconductors

74HCT238 Arkusz danych(HTML) 6 Page - NXP Semiconductors

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74HC_HCT238_3
© NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 03 — 16 July 2007
6 of 18
NXP Semiconductors
74HC238; 74HCT238
3-to-8 line decoder/demultiplexer
9.
Static characteristics
Table 6.
Static characteristics
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter
Conditions
25
°C
−40 °C to +85 °C −40 °C to +125 °C Unit
Min
Typ
Max
Min
Max
Min
Max
74HC238
VIH
HIGH-level
input voltage
VCC = 2.0 V
1.5
1.2
-
1.5
-
1.5
-
V
VCC = 4.5 V
3.15
2.4
-
3.15
-
3.15
-
V
VCC = 6.0 V
4.2
3.2
-
4.2
-
4.2
-
V
VIL
LOW-level
input voltage
VCC = 2.0 V
-
0.8
0.5
-
0.5
-
0.5
V
VCC = 4.5 V
-
2.1
1.35
-
1.35
-
1.35
V
VCC = 6.0 V
-
2.8
1.8
-
1.8
-
1.8
V
VOH
HIGH-level
output voltage
VI =VIH or VIL
IO = −20 µA; VCC = 2.0 V
1.9
2.0
-
1.9
-
1.9
-
V
IO = −20 µA; VCC = 4.5 V
4.4
4.5
-
4.4
-
4.4
-
V
IO = −20 µA; VCC = 6.0 V
5.9
6.0
-
5.9
-
5.9
-
V
IO = −4.0 mA; VCC = 4.5 V
3.98 4.32
-
3.84
-
3.7
-
V
IO = −5.2 mA; VCC = 6.0 V
5.48 5.81
-
5.34
-
5.2
-
V
VOL
LOW-level
output voltage
VI =VIH or VIL
IO =20 µA; VCC = 2.0 V
-
0
0.1
-
0.1
-
0.1
V
IO =20 µA; VCC = 4.5 V
-
0
0.1
-
0.1
-
0.1
V
IO =20 µA; VCC = 6.0 V
-
0
0.1
-
0.1
-
0.1
V
IO = 4.0 mA; VCC = 4.5 V
-
0.15
0.26
-
0.33
-
0.4
V
IO = 5.2 mA; VCC = 6.0 V
-
0.16
0.26
-
0.33
-
0.4
V
II
input leakage
current
VI =VCC or GND;
VCC = 6.0 V
--
±0.1
-
±1.0
-
±1.0
µA
ICC
supply current VI =VCC or GND; IO =0A;
VCC = 6.0 V
-
-
8.0
-
80
-
160
µA
CI
input
capacitance
-
3.5
-
-
-
-
-
pF
74HCT238
VIH
HIGH-level
input voltage
VCC = 4.5 V to 5.5 V
2.0
1.6
-
2.0
-
2.0
-
V
VIL
LOW-level
input voltage
VCC = 4.5 V to 5.5 V
-
1.2
0.8
-
0.8
-
0.8
V
VOH
HIGH-level
output voltage
VI =VIH or VIL; VCC = 4.5 V
IO = −20 µA
4.4
4.5
-
4.4
-
4.4
-
V
IO = −4.0 mA
3.98 4.32
-
3.84
-
3.7
-
V
VOL
LOW-level
output voltage
VI =VIH or VIL; VCC = 4.5 V
IO =20 µA
-
0
0.1
-
0.1
-
0.1
V
IO = 4.0 mA
-
0.16
0.26
-
0.33
-
0.4
V
II
input leakage
current
VI =VCC or GND;
VCC = 5.5 V
--
±0.1
-
±1.0
-
±1.0
µA


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