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| 74HCT154 Datasheet, PDF (15/22 Pages) NXP Semiconductors – 4-to-16 line decoder/demultiplexer | |||
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Philips Semiconductors
4-to-16 line decoder/demultiplexer
Product speciï¬cation
74HC154; 74HCT154
handbook, full pagewidth
PULSE
VI
GENERATOR
VCC
VO
D.U.T.
RT
S1
1000 â¦
VCC
open
GND
CL
MNA245
TEST
tPLH/tPHL
tPLZ/tPZL
tPHZ/tPZH
S1
open
VCC
GND
APPLICATION DATA
Definitions for test circuit:
CL = Load capacitance including jig and probe capacitance.
RT = Termination resistance should be equal to the output impedance Zo of the pulse generator.
Fig.9 Load circuitry for switching times.
A0
A1
A2
A3
strobe E0
E1
Y0
Y1
Y14
Y15
001aab075
A0
A1
A2
A3
data
input E0
E1
Y0
Y1
Y14
Y15
001aab076
Fig.10 1-of-16 decoder; LOW level output
selected.
2004 Oct 12
Fig.11 1-of-16 demultiplexer; logic level on
selected outputs follow the logic level on the
data input.
15
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