Datasheet

74HC_HCT154_6 © NXP B.V. 2007. All rights reserved.
Product data sheet Rev. 06 — 12 February 2007 6 of 21
NXP Semiconductors
74HC154; 74HCT154
4-to-16 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 DIP24 packages: P
tot
derates linearly at 12 mW/K above 70 °C.
For SO24 packages: P
tot
derates linearly at 8 mW/K above 70 °C.
For SSOP24 and TSSOP24 packages: P
tot
derates linearly at 5.5 mW/K above 60 °C.
For DHVQFN24 packages: P
tot
derates linearly at 4.5 mW/K above 60 °C.
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 +7.0 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
+ 0.5 V
[1]
- ±20 mA
I
O
output current −0.5 V < V
O
<V
CC
+ 0.5 V
[1]
- ±25 mA
I
CC
supply current
[1]
-50mA
I
GND
ground current
[1]
- −50 mA
T
stg
storage temperature −65 +150 °C
P
tot
total power dissipation T
amb
= −40 °C to +125 °C
[2]
- 300 mW
Table 5. Operating conditions
Symbol Parameter Conditions Min Typ Max Unit
74HC154
V
CC
supply voltage 2.0 5.0 6.0 V
V
I
input voltage 0 - V
CC
V
V
O
output voltage 0 - V
CC
V
T
amb
ambient temperature −40 +25 +125 °C
t
r
rise time V
CC
= 2.0 V - - 1000 ns
V
CC
= 4.5 V - 6.0 500 ns
V
CC
= 6.0 V - - 400 ns
t
f
fall time V
CC
= 2.0 V - - 1000 ns
V
CC
= 4.5 V - 6.0 500 ns
V
CC
= 6.0 V - - 400 ns
74HCT154
V
CC
supply voltage 4.5 5.0 5.5 V
V
I
input voltage 0 - V
CC
V
V
O
output voltage 0 - V
CC
V
T
amb
ambient temperature −40 +25 +125 °C
t
r
input rise time V
CC
= 4.5 V - 6.0 500 ns
t
f
input fall time V
CC
= 4.5 V - 6.0 500 ns