參數(shù)資料
型號(hào): MC14532B
廠商: ON SEMICONDUCTOR
英文描述: 8-Bit Priority Encoder(8位優(yōu)先級(jí)編碼器)
中文描述: 8位優(yōu)先編碼器(8位優(yōu)先級(jí)編碼器)
文件頁(yè)數(shù): 3/7頁(yè)
文件大?。?/td> 98K
代理商: MC14532B
MC14532B
http://onsemi.com
3
(Note 6)
Output Rise and Fall Time
t
TLH
, t
THL
= (1.5 ns/pF) C
L
+ 25 ns
t
TLH
, t
THL
= (0.75 ns/pF) C
L
+ 12.5 ns
t
TLH
, t
THL
= (0.55 ns/pF) C
L
+ 9.5 ns
t
TLH
,
t
THL
5.0
10
15
100
50
40
200
100
80
ns
Propagation Delay Time — E
in
to E
out
t
PLH
, t
PHL
= (1.7 ns/pF) C
L
+ 120 ns
t
PLH
, t
PHL
= (0.66 ns/pF) C
L
+ 77 ns
t
PLH
, t
PHL
= (0.5 ns/pF) C
L
+ 55 ns
t
PLH
,
t
PHL
5.0
10
15
205
110
80
410
220
160
ns
Propagation Delay Time — E
in
to GS
t
PLH
, t
PHL
= (1.7 ns/pF) C
L
+ 90 ns
t
PLH
, t
PHL
= (0.66 ns/pF) C
L
57 ns
t
PLH
, t
PHL
= (0.5 ns/pF) C
L
+ 40 ns
t
PLH
,
t
PHL
5.0
10
15
175
90
65
350
180
130
ns
Propagation Delay Time — E
in
to Q
n
t
PLH
, t
PHL
= (1.7 ns/pF) C
L
+ 195 ns
t
PLH
, t
PHL
= (0.66 ns/pF) C
+ 107 ns
t
PLH
, t
PHL
= (0.5 ns/pF) C
L
+ 75 ns
t
PHL
,
t
PLH
5.0
10
15
280
140
100
560
280
200
ns
Propagation Delay Time — D
n
to Q
n
t
PLH
, t
PHL
= (1.7 ns/pF) C
L
+ 265 ns
t
PLH
, t
PHL
= (0.66 ns/pF) C
L
+ 137 ns
t
PLH
, t
PHL
= (0.5 ns/pF) C
L
+ 85 ns
t
PLH
,
t
PHL
5.0
10
15
300
170
110
600
340
220
ns
Propagation Delay Time — D
n
to GS
t
PLH
, t
PHL
= (1.7 ns/pF) C
L
+ 195 ns
t
PLH
, t
PHL
= (0.66 ns/pF) C
L
+ 107 ns
t
PLH
, t
PHL
= (0.5 ns/pF) C
L
+ 75 ns
5. The formulas given are for the typical characteristics only at 25 C.
6. Data labelled “Typ” is not to be used for design purposes but is intended as an indication of the IC’s potential performance.
t
PLH
,
t
PHL
5.0
10
15
280
140
100
560
280
200
ns
Output
Under
Test
V
GS
= V
DD
V
DS
= V
out
Sink Current
V
GS
=
V
DD
V
DS
= V
out
V
DD
Source Current
D0 thru D7
E
in
D0 thru D6
D7
E
in
E
out
Q0
Q1
Q2
GS
X
X
X
X
X
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
Figure 1. Typical Sink and Source
Current Characteristics
Figure 2. Typical Power Dissipation Test Circuit
SWITCH
MATRIX
EXTERNAL
POWER
SUPPLY
I
D
E
in
D0
D1
D2
D3
D4
D5
D6
D7
GS
Q2
Q1
Q0
E
out
V
out
PULSE
GENERATOR
(f
o
)
E
in
D0
D1
D2
D3
D4
D5
D6
D7
V
SS
V
DD
I
D
C
L
C
L
C
L
C
L
C
L
GS
Q2
Q1
Q0
E
out
0.01 F
500 F
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