74HC_HCT238_Q100 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 1 — 19 February 2013 5 of 17
NXP Semiconductors
74HC238-Q100; 74HCT238-Q100
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 SO16 packages: above 70 C the value of P
tot
derates linearly at 8 mW/K.
For 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
V
CC
supply voltage 0.5 +7 V
I
IK
input clamping current V
I
< 0.5 V or V
I
>V
CC
+0.5 V
[1]
- 20 mA
I
OK
output clamping current V
O
< 0.5 V or V
O
>V
CC
+0.5V
[1]
- 20 mA
I
O
output current 0.5 V < V
O
< V
CC
+0.5V - 25 mA
I
CC
supply current - 50 mA
I
GND
ground current 50 - mA
T
stg
storage temperature 65 +150 C
P
tot
total power dissipation
[2]
- 500 mW
Table 5. Recommended operating conditions
Voltages are referenced to GND (ground = 0 V).
Symbol Parameter Conditions 74HC238-Q100 74HCT238-Q100 Unit
Min Typ Max Min Typ Max
V
CC
supply voltage 2.0 5.0 6.0 4.5 5.0 5.5 V
V
I
input voltage 0 - V
CC
0- V
CC
V
V
O
output voltage 0 - V
CC
0- V
CC
V
T
amb
ambient temperature 40 - +125 40 - +125 C
t/V input transition rise
and fall rate
V
CC
= 2.0 V - - 625 - - - ns/V
V
CC
= 4.5 V - 1.67 139 - 1.67 139 ns/V
V
CC
= 6.0 V - - 83 - - - ns/V
