hef4068b NXP Semiconductors, hef4068b Datasheet - Page 3

• Manufacturer Part Number: hef4068b
• Description: 8-input Nand Gate
• Manufacturer: NXP Semiconductors

Philips Semiconductors
AC CHARACTERISTICS
V
January 1995
Propagation delays
Output transition times
Dynamic power
SS
8-input NAND gate
I
dissipation per
package (P)
n
= 0 V; T
HIGH to LOW
LOW to HIGH
HIGH to LOW
LOW to HIGH
O
amb
= 25 C; C
L
= 50 pF; input transition times
V
V
V
10
15
10
15
10
15
10
15
V
10
15
DD
DD
5
5
5
5
5
t
t
t
t
SYMBOL
PHL
PLH
THL
TLH
TYPICAL FORMULA FOR P ( W)
2900 f
7200 f
700 f
TYP.
i
95
40
30
80
35
30
60
30
20
60
30
20
i
i
(f
(f
(f
o
3
o
o
C
C
C
20 ns
L
MAX.
L
L
)
)
)
195
165
120
120
85
65
70
60
60
40
60
40
V
V
V
DD
DD
DD
2
2
2
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
where
f
f
C
V
i
o
DD
= input freq. (MHz)
L
(f
= output freq. (MHz)
o
= load capacitance (pF)
68 ns
29 ns
22 ns
53 ns
24 ns
22 ns
10 ns
10 ns
C
TYPICAL EXTRAPOLATION
9 ns
6 ns
9 ns
6 ns
= supply voltage (V)
L
) = sum of outputs
FORMULA
(0,55 ns/pF) C
(0,23 ns/pF) C
(0,16 ns/pF) C
(0,55 ns/pF) C
(0,23 ns/pF) C
(0,16 ns/pF) C
(1,0 ns/pF) C
(0,42 ns/pF) C
(0,28 ns/pF) C
(1,0 ns/pF) C
(0,42 ns/pF) C
(0,28 ns/pF) C
Product specification
HEF4068B
L
L
gates
L
L
L
L
L
L
L
L
L
L