參數(shù)資料
型號: MC14029B
廠商: ON SEMICONDUCTOR
元件分類: 通用總線功能
英文描述: Binary/Decade Up/Down Counter(二/十進(jìn)制 增/減計數(shù)器)
中文描述: 二元/十年加/減計數(shù)器(二/十進(jìn)制增/減計數(shù)器)
文件頁數(shù): 3/8頁
文件大小: 124K
代理商: MC14029B
MC14029B
http://onsemi.com
3
2. Data labelled “Typ” is not to be used for design purposes but is intended as an indication of the IC’s potential performance.
(1.)
(2.)
t
TLH
, t
THL
= (1.5 ns/pF) C
L
+ 25 ns
t
5.0
100
200
Clk to Q
t
, t
= (0.66 ns/pF) C
+ 97 ns
t
PLH
, t
PHL
= (0.5 ns/pF) C
L
+ 75 ns
Clk to C
out
t
, t
= (0.66 ns/pF) C
+ 97 ns
t
PLH
, t
PHL
= (0.5 ns/pF) C
L
+ 75 ns
C
in
to C
out
t
PLH
, t
PHL
= (0.66 ns/pF) C
L
+ 47 ns
PLH
PHL
L
PE to Q
t
PLH
, t
PHL
= (0.66 ns/pF) C
L
+ 97 ns
PLH
PHL
L
PE to C
out
t
PLH
, t
PHL
= (0.66 ns/pF) C
L
+ 192 ns
PLH
PHL
L
t
10
15
100
90
200
180
10
15
130
85
260
190
ns
15
50
100
ns
t
PLH
,
15
80
160
ns
t
PLH
,
15
105
210
ns
Clock Pulse Width
t
W(cl)
5.0
180
90
ns
10
8.0
4.0
The Preset Signal must be low prior to a positivegoing
transition of the clock.
10
15
80
60
40
30
Clock Rise and Fall Time
t
r(cl)
5.0
1 5
15
4
s
Carry In Setup Time
t
5.0
10
150
60
75
30
ns
Preset Enable Pulse Width
10
140
70
Binary/Decade Setup Time
5.0
15
320
100
160
50
ns
t
W
5.0
130
65
ns
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