HEC4002BT Ver la hoja de datos (PDF) - Philips Electronics
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HEC4002BT Datasheet PDF : 3 Pages
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Philips Semiconductors
Dual 4-input NOR gate
Product specification
HEF4002B
gates
AC CHARACTERISTICS
VSS = 0 V; Tamb = 25 °C; CL = 50 pF; input transition times ≤ 20 ns
VDD
V
SYMBOL
TYP. MAX.
TYPICAL EXTRAPOLATION
FORMULA
Propagation delays
In → On
Output transition times
HIGH to LOW
LOW to HIGH
5
10
tPHL; tPLH
15
5
10
tTHL
15
5
10
tTLH
15
60 120 ns 33 ns + (0,55 ns/pF) CL
25
50 ns 14 ns + (0,23 ns/pF) CL
20
40 ns 12 ns + (0,16 ns/pF) CL
60 120 ns 10 ns + (1,0 ns/pF) CL
30
60 ns 9 ns + (0,42 ns/pF) CL
20
40 ns 6 ns + (0,28 ns/pF) CL
60 120 ns 10 ns + (1,0 ns/pF) CL
30
60 ns 9 ns + (0,42 ns/pF) CL
20
40 ns 6 ns + (0,28 ns/pF) CL
Dynamic power
dissipation per
package (P)
VDD
V
TYPICAL FORMULA FOR P (µW)
5
1050 fi + ∑ (foCL) × VDD2
10
4300 fi + ∑ (foCL) × VDD2
15 11 700 fi + ∑ (foCL) × VDD2
where
fi = input freq. (MHz)
fo = output freq. (MHz)
CL = load capacitance (pF)
∑ (foCL) = sum of outputs
VDD = supply voltage (V)
January 1995
3
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