Philips Semiconductors
4-to-16 line decoder/demultiplexer
Product specification
74HC/HCT154
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”.
Output capability: standard
ICC category: MSI
AC CHARACTERISTICS FOR 74HC
GND = 0 V; tr = tf = 6 ns; CL = 50 pF
Tamb (°C)
TEST CONDITIONS
SYMBOL PARAMETER
min.
+25
typ.
max.
74HC
−40 to +85
min. max.
−40 to +125
min. max.
UNIT
VCC WAVEFORMS
(V)
tPHL/ tPLH propagation delay
An to Yn
tPHL/ tPLH propagation delay
En to Yn
36 150
190
225 ns 2.0 Fig.6
13 30
38
45
4.5
10 26
33
38
6.0
39 150
190
225 ns 2.0 Fig.7
14 30
38
45
4.5
11 26
33
38
6.0
tTHL/ tTLH output transition time
19 75
95
110 ns 2.0 Figs 6 and 7
7 15
19
22
4.5
6 13
16
19
6.0
September 1993
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