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| HEF4519B Datasheet, PDF (4/4 Pages) NXP Semiconductors – Quadruple 2-input multiplexer | |||
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Philips Semiconductors
Quadruple 2-input multiplexer
AC CHARACTERISTICS
VSS = 0 V; Tamb = 25 °C; CL = 50 pF; input transition times ⤠20 ns
VDD
V
SYMBOL
TYP. MAX.
Propagation delays
An , Bn â On
HIGH to LOW
LOW to HIGH
SA, SB â On
HIGH to LOW
LOW to HIGH
Output transition times
HIGH to LOW
LOW to HIGH
5
10 tPHL
15
5
10 tPLH
15
5
10 tPHL
15
5
10 tPLH
15
5
10 tTHL
15
5
10 tTLH
15
95 190 ns
40 80 ns
30 60 ns
80 160 ns
40 80 ns
30 60 ns
95 190 ns
40 80 ns
30 55 ns
85 165 ns
40 80 ns
30 60 ns
60 120 ns
30 60 ns
20 40 ns
60 120 ns
30 60 ns
20 40 ns
Product speciï¬cation
HEF4519B
MSI
TYPICAL EXTRAPOLATION
FORMULA
68 ns + (0,55 ns/pF) CL
29 ns + (0,23 ns/pF) CL
22 ns + (0,16 ns/pF) CL
53 ns + (0,55 ns/pF) CL
29 ns + (0,23 ns/pF) CL
22 ns + (0,16 ns/pF) CL
68 ns + (0,55 ns/pF) CL
29 ns + (0,23 ns/pF) CL
22 ns + (0,16 ns/pF) CL
58 ns + (0,55 ns/pF) CL
29 ns + (0,23 ns/pF) CL
22 ns + (0,16 ns/pF) CL
10 ns + (1,0 ns/pF) CL
9 ns + (0,42 ns/pF) CL
6 ns + (0,28 ns/pF) CL
10 ns + (1,0 ns/pF) CL
9 ns + (0,42 ns/pF) CL
6 ns + (0,28 ns/pF) CL
Dynamic power
dissipation per
package (P)
VDD
V
TYPICAL FORMULA FOR P (µW)
5
1000 fi + â (foCL) Ã VDD2
where
10
6000 fi + â (foCL) Ã VDD2
fi = input freq. (MHz)
15
17 000 fi + â (foCL) Ã VDD2
fo = output freq. (MHz)
CL = load capacitance (pF)
â (foCL) = sum of outputs
VDD = supply voltage (V)
APPLICATION INFORMATION
Some examples of applications for the HEF4519B are:
⢠2-input multiplexers.
⢠True/complement selectors.
January 1995
4
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