hef4585b NXP Semiconductors, hef4585b Datasheet - Page 5

• Manufacturer Part Number: hef4585b
• Description: 4-bit Magnitude Comparator
• Manufacturer: NXP Semiconductors

Philips Semiconductors
AC CHARACTERISTICS
V
APPLICATION INFORMATION
Some examples of applications for the HEF4585B are:
January 1995
Propagation delays
Output transition times
Dynamic power
SS
Process controllers.
Servo-motor control.
4-bit magnitude comparator
A
I
dissipation per
package (P)
n
= 0 V; T
n
, B
HIGH to LOW
LOW to HIGH
HIGH to LOW
LOW to HIGH
HIGH to LOW
LOW to HIGH
O
n
n
amb
O
n
= 25 C; C
L
= 50 pF; input transition times
V
V
10
15
10
15
10
15
10
15
10
15
10
15
10
15
V
V
DD
DD
5
5
5
5
5
5
5
t
t
t
t
t
t
PHL
PLH
PHL
PLH
THL
TLH
SYMBOL
TYPICAL FORMULA FOR P ( W)
15 000 f
1250 f
5500 f
MIN.
i
i
i
5
20 ns
(f
(f
(f
TYP.
o
o
o
160
150
120
C
C
C
110
65
45
60
45
45
30
50
35
60
30
20
60
30
20
L
L
L
)
)
)
MAX.
V
V
V
DD
DD
DD
320 ns
130 ns
300 ns
120 ns
220 ns
240 ns
100 ns
120 ns
120 ns
90 ns
90 ns
90 ns
60 ns
70 ns
60 ns
40 ns
60 ns
40 ns
2
2
2
where
f
f
C
V
i
o
DD
= input freq. (MHz)
L
TYPICAL EXTRAPOLATION
= output freq. (MHz)
(f
133 ns
123 ns
= load capacitance (pF)
o
54 ns
37 ns
49 ns
37 ns
83 ns
34 ns
22 ns
93 ns
39 ns
27 ns
10 ns
10 ns
C
= supply voltage (V)
9 ns
6 ns
9 ns
6 ns
L
) = sum of outputs
FORMULA
Product specification
HEF4585B
(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
(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
(0,42 ns/pF) C
(0,28 ns/pF) C
(0,42 ns/pF) C
(0,28 ns/pF) C
(1,0 ns/pF) C
(1,0 ns/pF) C
MSI
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L