參數(shù)資料
型號: HEF4514B
廠商: NXP Semiconductors N.V.
英文描述: 1-of-16 decoder/demultiplexer with input latches(帶輸入鎖存的16選1譯碼器/多路分解器)
中文描述: 1 - 16解碼器/多路解復(fù)用器的輸入鎖存器(帶輸入鎖存的16選1譯碼器/多路分解器)
文件頁數(shù): 5/6頁
文件大?。?/td> 73K
代理商: HEF4514B
January 1995
5
Philips Semiconductors
Product specification
1-of-16 decoder/demultiplexer with input latches
HEF4514B
MSI
AC CHARACTERISTICS
V
SS
= 0 V; T
amb
= 25
°
C; C
L
= 50 pF; input transition times
20 ns
V
DD
V
SYMBOL
MIN. TYP. MAX.
TYPICAL EXTRAPOLATION
FORMULA
+
(1,0 ns/pF) C
L
14 ns
+
(0,42 ns/pF) C
L
11 ns
+
(0,28 ns/pF) C
L
35 ns
+
(1,0 ns/pF) C
L
14 ns
+
(0,42 ns/pF) C
L
11 ns
+
(0,28 ns/pF) C
L
Output transition
times
HIGH to LOW
5
90
35
25
85
35
25
60
20
15
60
20
15
60
20
15
180
65
50
170
70
50
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
40 ns
10
15
5
10
15
t
THL
LOW to HIGH
t
TLH
Set-up time
A
n
EL
5
120
40
30
see also waveforms
Fig.5
10
15
t
su
Hold time
A
n
EL
5
0
0
0
10
15
t
hold
Minimum EL pulse
width; HIGH
5
120
40
30
10
15
t
WELH
V
DD
V
TYPICAL FORMULA FOR P (
μ
W)
Dynamic power
dissipation per
package (P)
5
1100 f
i
+ ∑
(f
o
C
L
)
×
V
DD2
5500 f
i
+ ∑
(f
o
C
L
)
×
V
DD2
16 000 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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