Philips Semiconductors
Product specification
Hex inverting Schmitt trigger
AC CHARACTERISTICS
V
SS
= 0 V; T
amb
= 25
°C;
C
L
= 50 pF; input transition times
≤
20 ns
V
DD
V
Propagation delays
I
n
→
O
n
HIGH to LOW
5
10
15
5
LOW to HIGH
Output transition times
HIGH to LOW
10
15
5
10
15
5
LOW to HIGH
10
15
t
TLH
t
THL
t
PLH
t
PHL
90
35
30
75
35
30
60
30
20
60
30
20
180
70
60
150
70
60
120
60
40
120
60
40
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
SYMBOL
TYP.
MAX.
HEF40106B
gates
TYPICAL EXTRAPOLATION
FORMULA
63 ns
+
(0,55 ns/pF) C
L
24 ns
+
(0,23 ns/pF)
22 ns
+
(0,16 ns/pF) C
L
48 ns
+
(0,55 ns/pF) C
L
24 ns
+
(0,23 ns/pF) C
L
22 ns
+
(0,16 ns/pF) C
L
10 ns
+
(1,0 ns/pF) C
L
9 ns
+
(0,42 ns/pF) C
L
6 ns
+
(0,28 ns/pF) C
L
10 ns
+
(1,0 ns/pF) C
L
9 ns
+
(0,42 ns/pF) C
L
6 ns
+
(0,28 ns/pF) C
L
V
DD
V
Dynamic power
dissipation per
package (P)
5
10
15
TYPICAL FORMULA FOR P (µW)
2 300 f
i
+ ∑
(f
o
C
L
)
×
V
DD2
9 000 f
i
+ ∑
(f
o
C
L
)
×
V
DD2
20 000 f
i
+ ∑
(f
o
C
L
)
×
V
DD2
where
f
i
= input freq. (MHz)
f
o
= output freq. (MHz)
C
L
= load capacitance (pF)
∑
(f
o
C
L
) = sum of outputs
V
DD
= supply voltage (V)
January 1995
4
PHILIPS [ NXP SEMICONDUCTORS ]
