參數(shù)資料
型號: 74AC16x
廠商: ON SEMICONDUCTOR
元件分類: 通用總線功能
英文描述: Synchronous Presettable Binary Counter
中文描述: 同步可預(yù)置二進(jìn)制計(jì)數(shù)器
文件頁數(shù): 6/15頁
文件大?。?/td> 202K
代理商: 74AC16X
MC74AC161, MC74ACT161, MC74AC163, MC74ACT163
http://onsemi.com
6
AC OPERATING REQUIREMENTS
Symbol
Parameter
V
CC
*
(V)
74AC161
74AC161
Unit
Fig.
No.
T
A
= +25
°
C
C
L
= 50 pF
T
A
=
40
°
C
to +85
°
C
C
L
= 50 pF
Typ
Guaranteed Minimum
t
s
Setup Time, HIGH or LOW
P
n
to CP
Hold Time, HIGH or LOW
P
n
to CP
Setup Time, HIGH or LOW
PE to CP
3.3
5.0
6.0
3.5
13.5
8.5
16.0
10.5
ns
3
9
t
h
3.3
5.0
7.0
4.0
1.0
0
0.5
0
ns
3
9
t
s
3.3
5.0
6.5
4.0
11.5
7.5
14.0
8.5
ns
3
9
t
h
Hold Time, HIGH or LOW
PE to CP
3.3
5.0
6.0
3.5
0
0
ns
3
9
0.5
1.0
t
s
Setup Time, HIGH or LOW
CEP or CET to CP
3.3
5.0
3.0
2.0
6.0
4.5
7.0
5.0
ns
3
9
t
h
Hold Time, HIGH or LOW
CEP or CET to CP
3.3
5.0
3.5
2.0
0
0
0
ns
3
9
0.5
t
w
Clock Pulse Width (Load)
HIGH or LOW
3.3
5.0
2.0
2.0
3.5
2.5
4.0
3.0
ns
3
6
t
w
Clock Pulse Width (Count)
HIGH or LOW
3.3
5.0
2.0
2.0
4.0
3.0
4.5
3.5
ns
3
6
t
w
MR Pulse Width, LOW
3.3
5.0
3.0
2.5
5.5
4.5
7.5
6.0
ns
3
6
t
rec
Recovery TIme
MR to CP
3.3
5.0
2.0
1.0
0.5
0
0
ns
3
9
0.5
*Voltage Range 3.3 V is 3.3 V
±
0.3 V.
*Voltage Range 5.0 V is 5.0 V
±
0.5 V.
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