參數(shù)資料
型號(hào): HEF4585B
廠商: NXP Semiconductors N.V.
英文描述: 4-bit magnitude comparator(4位等值比較器)
中文描述: 4位數(shù)值比較(4位等值比較器)
文件頁(yè)數(shù): 5/6頁(yè)
文件大?。?/td> 66K
代理商: HEF4585B
January 1995
5
Philips Semiconductors
Product specification
4-bit magnitude comparator
HEF4585B
MSI
AC CHARACTERISTICS
V
SS
= 0 V; T
amb
= 25
°
C; C
L
= 50 pF; input transition times
20 ns
APPLICATION INFORMATION
Some examples of applications for the HEF4585B are:
Process controllers.
Servo-motor control.
V
DD
V
SYMBOL
MIN.
TYP.
MAX.
TYPICAL EXTRAPOLATION
FORMULA
Propagation delays
A
n
, B
n
O
n
HIGH to LOW
5
160
65
45
150
60
45
110
45
30
120
50
35
60
30
20
60
30
20
320 ns
130 ns
90 ns
300 ns
120 ns
90 ns
220 ns
90 ns
60 ns
240 ns
100 ns
70 ns
120 ns
60 ns
40 ns
120 ns
60 ns
40 ns
133 ns
+
(0,55 ns/pF) C
L
54 ns
+
(0,23 ns/pF) C
L
37 ns
+
(0,16 ns/pF) C
L
123 ns
+
(0,55 ns/pF) C
L
49 ns
+
(0,23 ns/pF) C
L
37 ns
+
(0,16 ns/pF) C
L
83 ns
+
(0,55 ns/pF) C
L
34 ns
+
(0,23 ns/pF) C
L
22 ns
+
(0,16 ns/pF) C
L
93 ns
+
(0,55 ns/pF) C
L
39 ns
+
(0,23 ns/pF) C
L
27 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
10
15
5
10
15
5
10
15
5
10
15
5
10
15
5
10
15
t
PHL
LOW to HIGH
t
PLH
I
n
O
n
HIGH to LOW
t
PHL
LOW to HIGH
t
PLH
Output transition times
HIGH to LOW
t
THL
LOW to HIGH
t
TLH
V
DD
V
TYPICAL FORMULA FOR P (
μ
W)
Dynamic power
dissipation per
package (P)
5
1250 f
i
+ ∑
(f
o
C
L
)
×
V
DD2
5500 f
i
+ ∑
(f
o
C
L
)
×
V
DD2
15 000 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)
10
15
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