參數(shù)資料
型號: 74LV273
廠商: NXP Semiconductors N.V.
英文描述: Octal D-type flip-flop with reset; positive-edge trigger
中文描述: 八路D型觸發(fā)器的復(fù)位觸發(fā)器,積極邊緣觸發(fā)
文件頁數(shù): 4/12頁
文件大?。?/td> 117K
代理商: 74LV273
Philips Semiconductors
Product specification
74LV273
Octal D-type flip-flop with reset; positive edge-trigger
1998 May 29
4
FUNCTIONAL DIAGRAM
17
D
6
16
18
19
D
7
Q
6
Q
7
8
D
3
SV00369
3
4
7
6
5
2
9
13
12
14
15
D
0
D
1
D
2
D
4
D
5
Q
0
Q
1
Q
2
Q
3
Q
4
Q
5
FF0
to
FF7
MR
1
11
CP
FUNCTION TABLE
OPERATING MODES
INPUTS
OUTPUTS
MR
CP
D
n
X
Q
0
to Q
7
L
Reset (clear)
L
X
Load (‘1’)
H
h
H
Load (‘0’)
H
l
L
H
h
=
=
HIGH voltage level
HIGH voltage level one set-up time prior to the
LOW-to-HIGH CP transition
LOW voltage level
LOW voltage level one set-up time prior to the
LOW-to-HIGH CP transition
LOW–to–HIGH clock transition
Don’t care
L
l
=
=
X
=
=
RECOMMENDED OPERATING CONDITIONS
SYMBOL
V
CC
DC supply voltage
V
I
Input voltage
V
O
Output voltage
Operating ambient temperature range in free
air
PARAMETER
CONDITIONS
See Note1
MIN
1.0
0
0
–40
–40
TYP.
3.3
MAX
5.5
V
CC
V
CC
+85
+125
500
200
100
50
UNIT
V
V
V
T
amb
See DC and AC
characteristics
V
CC
= 1.0V to 2.0V
V
CC
= 2.0V to 2.7V
V
CC
= 2.7V to 3.6V
V
CC
= 3.6V to 5.5V
°
C
t
r
, t
f
Input rise and fall times
ns/V
NOTES:
1. The LV is guaranteed to function down to V
CC
= 1.0V (input levels GND or V
CC
); DC characteristics are guaranteed from V
CC
= 1.2V to V
CC
= 5.5V.
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