Philips Semiconductors
Strobed hex inverter/buffer
Product specification
HEF4502B
buffers
DC CHARACTERISTICS
VSS = 0 V
VDD
V
VOH
V
Output current
HIGH
Output current
HIGH
Output current
LOW
5 4,6
10 9,5
15 13,5
5 2,5
4,75
10
15
Tamb (°C)
VOL
V
SYMBOL
−40
+ 25
+ 85
MIN. MAX. MIN. MAX. MIN. MAX.
1,2
1,0
0,8
mA
−IOH
3,8
12,0
3,2
10,0
2,5
mA
8,0
mA
−IOH
0,4
0,5 IOL
1,5
3,8
3,5
12,0
24,0
3,2
2,9
10,0
20,0
2,5
mA
2,3
mA
8,0
mA
16,0
mA
AC CHARACTERISTICS
VSS = 0 V; Tamb = 25 °C; input transition times ≤ 20 ns
Dynamic power
dissipation per
package (P)
VDD
V
TYPICAL FORMULA FOR P (µW)
5
5 000 fi + ∑ (foCL) × VDD2
10
25 000 fi + ∑ (foCL) × VDD2
15
85 000 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