HEF4514BPN Ver la hoja de datos (PDF) - Philips Electronics
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componentes Descripción
Fabricante
HEF4514BPN Datasheet PDF : 6 Pages
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Philips Semiconductors
1-of-16 decoder/demultiplexer with input latches
Product specification
HEF4514B
MSI
TRUTH TABLE
INPUTS
OUTPUTS
E A0 A1 A2 A3 O0 O1 O2 O3 O4 O5 O6 O7 O8 O9 O10 O11 O12 O13 O14 O15
H X XXX L L L L L L L L L L L L L L L L
L L LL LHL LL L L L L L L L L L L L L
L H LL L LHLL L L L L L L L L L L L L
L L HL L LLHL L L L L L L L L L L L L
L HHL L LL LHL L L L L L L L L L L L
L L LHL LL LLH L L L L L L L L L L L
L H LHL LL LL L H L L L L L L L L L L
L L HH L L L L L L L H L L L L L L L L L
L H HH L L L L L L L L H L L L L L L L L
L L LLHLLLLL L L LHL L L L L L L
L HLLHLLLLL L L LLHL L L L L L
L L HLHLL LL L L L L L L H L L L L L
L HHLHLL LL L L L L L L L H L L L L
L L LHHLL LL L L L L L L L L H L L L
L H LHHLL LL L L L L L L L L L H L L
L L HHH L L L L L L L L L L L L L L H L
L H HHH L L L L L L L L L L L L L L L H
Notes
1. EL = HIGH; H = HIGH state (the more positive voltage);
L = LOW state (the less positive voltage); X = state is immaterial
AC CHARACTERISTICS
VSS = 0 V; Tamb = 25 °C; CL = 50 pF; input transition times ≤ 20 ns
VDD
V
SYMBOL TYP. MAX.
Propagation delays
An, EL → On
HIGH to LOW
LOW to HIGH
E → On
HIGH to LOW
LOW to HIGH
5
10
tPHL
15
5
10
tPLH
15
5
10
tPHL
15
5
10
tPLH
15
260 520 ns
95 190 ns
65 130 ns
270 550 ns
95 190 ns
65 130 ns
175 350 ns
65 130 ns
45 90 ns
200 400 ns
70 140 ns
50 100 ns
TYPICAL EXTRAPOLATION
FORMULA
233 ns + (0,55 ns/pF) CL
84 ns + (0,23 ns/pF) CL
57 ns + (0,16 ns/pF) CL
243 ns + (0,55 ns/pF) CL
84 ns + (0,23 ns/pF) CL
57 ns + (0,16 ns/pF) CL
148 ns + (0,55 ns/pF) CL
54 ns + (0,23 ns/pF) CL
37 ns + (0,16 ns/pF) CL
173 ns + (0,55 ns/pF) CL
59 ns + (0,23 ns/pF) CL
42 ns + (0,16 ns/pF) CL
January 1995
4
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