參數(shù)資料
型號: IW4518BN
廠商: Electronic Theatre Controls, Inc.
元件分類: 通用總線功能
英文描述: Dual Up-Counter
中文描述: 雙最多計數(shù)器
文件頁數(shù): 4/5頁
文件大?。?/td> 229K
代理商: IW4518BN
IW4518B
166
AC ELECTRICAL CHARACTERISTICS
(C
L
=50pF, R
L
=200k
, Input t
r
=t
f
=20 ns)
V
CC
V
Guaranteed Limit
-55
°
C
1.5
3
4
Symbol
Parameter
25
°
C
1.5
3
4
125
°
C
0.75
1.5
2
Unit
f
max
Maximum Clock Frequency, (Figure 1)
5.0
10
15
MHz
t
PHL
, t
PLH
Maximum Propagation Delay, Clock or Enable
to Output (Figures 1,3)
5.0
10
15
560
230
160
560
230
160
1120
460
320
ns
t
PHL
Maximum Propagation Delay, Reset to Output
(Figure 2)
5.0
10
15
650
225
170
650
225
170
1300
450
340
ns
t
THL
, t
TLH
Maximum Output Transition Time, Any Output
(Figure 1)
5.0
10
15
200
100
80
200
100
80
400
200
160
ns
C
IN
Maximum Input Capacitance
-
7.5
pF
TIMING REQUIREMENTS
(C
L
=50pF, R
L
=200 k
, Input t
r
=t
f
=20 ns)
V
CC
V
Guaranteed Limit
-55
°
C
200
100
70
Symbol
Parameter
25
°
C
200
100
70
125
°
C
400
200
140
Unit
t
w
Minimum Pulse Width, Clock (Figure 1)
5.0
10
15
ns
t
w
Minimum Pulse Width, Reset (Figure 2)
5.0
10
15
250
110
80
250
110
80
500
220
160
ns
t
w
Minimum Pulse Width, Enable (Figure 3)
5.0
10
15
400
200
140
400
200
140
800
400
280
ns
t
r
, t
f
Maximum Input Rise and Fall Times
(Figure 1)
5.0
10
15
15
5
5
15
5
5
15
5
5
μ
s
Figure 1. Switching Waveforms
Figure 2. Switching Waveforms
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