參數(shù)資料
型號: 74F192
廠商: National Semiconductor Corporation
元件分類: 通用總線功能
英文描述: Up/Down Decade Counter with Separate Up/Down Clocks(帶單獨可逆時鐘的可逆十進制計數(shù)器)
中文描述: 上/下計數(shù)器十年具有獨立向上/向下時鐘(帶單獨可逆時鐘的可逆十進制計數(shù)器)
文件頁數(shù): 5/10頁
文件大小: 193K
代理商: 74F192
AC Electrical Characteristics
74F
54F
74F
T
A
e a
25
§
C
V
CC
e a
5.0V
C
L
e
50 pF
T
A
, V
CC
e
Mil
C
L
e
50 pF
T
A
, V
CC
e
Com
C
L
e
50 pF
Symbol
Parameter
Units
Min
Typ
Max
Min
Max
Min
Max
f
max
Maximum Clock Frequency
100
125
75
90
MHz
t
PLH
t
PHL
Propagation Delay CP
U
or
CP
D
to TC
U
or TC
D
4.0
3.5
7.0
6.0
9.0
8.0
4.0
3.5
10.5
9.5
4.0
3.5
10.0
9.0
ns
t
PLH
t
PHL
Propagation Delay
CP
U
or CP
D
to Q
n
4.0
5.5
6.5
9.5
8.5
12.5
4.0
5.5
10.0
14.0
4.0
5.5
9.5
13.5
ns
t
PLH
t
PHL
Propagation Delay
P
n
to Q
n
3.0
6.0
4.5
11.0
7.0
14.5
3.0
6.0
8.5
16.5
3.0
6.0
8.0
15.5
ns
t
PLH
t
PHL
Propagation Delay
PL to Q
n
5.0
5.5
8.5
10.0
11.0
13.0
5.0
5.5
13.5
15.0
5.0
5.5
12.0
14.0
ns
t
PHL
Propagation Delay
MR to Q
n
6.5
11.0
14.5
6.5
16.0
6.5
15.5
t
PLH
Propagation Delay
MR to TC
U
6.0
10.5
13.5
6.0
15.0
6.0
14.5
ns
t
PHL
Propagation Delay
MR to TC
D
7.0
11.5
14.5
7.0
16.0
7.0
15.5
t
PLH
t
PHL
Propagation Delay
PL to TC
U
or TC
D
7.0
7.0
12.0
11.5
15.5
14.5
7.0
7.0
18.5
17.5
7.0
7.0
16.5
15.5
ns
t
PLH
t
PHL
Propagation Delay
P
n
to TC
U
or TC
D
7.0
6.5
11.5
11.0
14.5
14.0
7.0
6.5
16.5
16.5
7.0
6.5
15.5
15.0
ns
AC Operating Requirements
74F
54F
74F
Symbol
Parameter
T
A
e a
25
§
C
V
CC
e a
5.0V
T
A
, V
CC
e
Mil
T
A
, V
CC
e
Com
Units
Min
Max
Min
Max
Min
Max
t
s
(H)
t
s
(L)
Setup Time, HIGH or LOW
P
n
to PL
4.5
4.5
6.0
6.0
5.0
5.0
ns
t
h
(H)
t
h
(L)
Hold Time, HIGH or LOW
P
n
to PL
2.0
2.0
2.0
2.0
2.0
2.0
t
w
(L)
PL Pulse Width, LOW
6.0
7.5
6.0
ns
t
w
(L)
CP
U
or CP
D
Pulse Width, LOW
5.0
7.0
5.0
ns
t
w
(L)
CP
U
or CP
D
Pulse Width, LOW
(Change of Direction)
10.0
12.0
10.0
ns
t
w
(H)
MR Pulse Width, HIGH
6.0
6.0
6.0
ns
t
rec
Recovery Time
PL to CP
U
or CP
D
6.0
8.0
6.0
ns
t
rec
Recovery Time
MR to CP
U
or CP
D
4.0
4.5
4.0
ns
5
相關(guān)PDF資料
PDF描述
74F192PC Up/Down Decade Counter with Separate Up/Down Clocks
74F192SC Up/Down Decade Counter with Separate Up/Down Clocks
74F192SJ Up/Down Decade Counter with Separate Up/Down Clocks
74F192 Up/Down Decade Counter with Separate Up/Down Clocks
74F192PC Up/Down Decade Counter with Separate Up/Down Clocks
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