HEF4514BP Ver la hoja de datos (PDF) - Philips Electronics
Número de pieza
componentes Descripción
Fabricante
HEF4514BP Datasheet PDF : 6 Pages
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Philips Semiconductors
1-of-16 decoder/demultiplexer with input latches
AC CHARACTERISTICS
VSS = 0 V; Tamb = 25 °C; CL = 50 pF; input transition times ≤ 20 ns
VDD
V
SYMBOL MIN. TYP. MAX.
Output transition
times
HIGH to LOW
LOW to HIGH
Set-up time
An → EL
Hold time
An → EL
Minimum EL pulse
width; HIGH
5
10
tTHL
15
5
10
tTLH
15
5
10
tsu
15
5
10
thold
15
5
10
tWELH
15
90 180 ns
35 65 ns
25 50 ns
85 170 ns
35 70 ns
25 50 ns
120 60
ns
40 20
ns
30 15
ns
0 60
ns
0 20
ns
0 15
ns
120 60
ns
40 20
ns
30 15
ns
Product specification
HEF4514B
MSI
TYPICAL EXTRAPOLATION
FORMULA
40 ns + (1,0 ns/pF) CL
14 ns + (0,42 ns/pF) CL
11 ns + (0,28 ns/pF) CL
35 ns + (1,0 ns/pF) CL
14 ns + (0,42 ns/pF) CL
11 ns + (0,28 ns/pF) CL
see also waveforms
Fig.5
Dynamic power
dissipation per
package (P)
VDD
V
TYPICAL FORMULA FOR P (µW)
5
1100 fi + ∑ (foCL) × VDD2
where
10
5500 fi + ∑ (foCL) × VDD2
fi = input freq. (MHz)
15
16 000 fi + ∑ (foCL) × VDD2
fo = output freq. (MHz)
CL = load capacitance (pF)
∑ (foCL) = sum of outputs
VDD = supply voltage (V)
January 1995
5
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