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74HCT238BQ Arkusz danych(PDF) 5 Page - NXP Semiconductors

Numer części 74HCT238BQ
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

74HCT238BQ Arkusz danych(HTML) 5 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
5 of 18
NXP Semiconductors
74HC238; 74HCT238
3-to-8 line decoder/demultiplexer
7.
Limiting values
[1]
The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
[2]
For DIP16 packages: above 70
°C the value of P
tot derates linearly at 12 mW/K.
[3]
For SO16 packages: above 70
°C the value of P
tot derates linearly at 8 mW/K.
For SSOP16 and TSSOP16 packages: above 60
°C the value of P
tot derates linearly at 5.5 mW/K.
For DHVQFN16 packages: above 60
°C the value of P
tot derates linearly at 4.5 mW/K.
8.
Recommended operating conditions
Table 4.
Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).
Symbol
Parameter
Conditions
Min
Max
Unit
VCC
supply voltage
−0.5
+7
V
IIK
input clamping current
VI < −0.5 V or VI >VCC + 0.5 V
[1] -
±20
mA
IOK
output clamping current
VO < −0.5 V or VO >VCC + 0.5 V
[1] -
±20
mA
IO
output current
−0.5 V < V
O < VCC + 0.5 V
-
±25
mA
ICC
supply current
-
50
mA
IGND
ground current
−50
-
mA
Tstg
storage temperature
−65
+150
°C
Ptot
total power dissipation
DIP16 package
[2] -
750
mW
SO16, SSOP16, TSSOP16 and
DHVQFN16 packages
[3] -
500
mW
Table 5.
Recommended operating conditions
Voltages are referenced to GND (ground = 0 V).
Symbol
Parameter
Conditions
74HC238
74HCT238
Unit
Min
Typ
Max
Min
Typ
Max
VCC
supply voltage
2.0
5.0
6.0
4.5
5.0
5.5
V
VI
input voltage
0
-
VCC
0-
VCC
V
VO
output voltage
0
-
VCC
0-
VCC
V
Tamb
ambient temperature
−40
-
+125
−40
-
+125
°C
∆t/∆V
input transition rise
and fall rate
VCC = 2.0 V
-
-
625
-
-
-
ns/V
VCC = 4.5 V
-
1.67
139
-
1.67
139
ns/V
VCC = 6.0 V
-
-
83
-
-
-
ns/V


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