參數(shù)資料
型號: LS7566
廠商: LSI Corporation
元件分類: 通用總線功能
英文描述: 24-BIT FOUR-AXES QUADRATURE COUNTER
中文描述: 24位的4軸正交計數(shù)器
文件頁數(shù): 8/13頁
文件大?。?/td> 97K
代理商: LS7566
For V
DD
= 3.3V ± 10%
Parameter Symbol Min. Value Max.Value Unit Remarks
Quadrature Mode
(See Fig. 4-6)
PCK High Pulse Width
t
1
PCK Low Pulse Width
t
2
PCK Frequency
f
pCK
Filter Clock(ff)Period
t
3
t
3
24
24
-
50
100
-
-
20
-
-
ns
ns
MHz
ns
ns
-
-
-
t
3
= t
1
+ t
2
, MDR0 <7> = 0
t
3
= t
1
+ t
2
, MDR0 <7> = 1
Filter clock frequency
Quadrature Separation
Quadrature Clock Pulse Width
Quadrature Clock frequency
Quadrature Clock to Count Delay
x1 / x2 / x4 Count Clock Pulse Width
Quadrature Clock to
FLGa delay
Quadrature Clock to
FLGb delay
FLGa to INT/ delay
INDX Input Pulse Width
INDX set-up time
INDX hold time
FLGa Output Width
f
f
t
4
t
5
f
QA
, f
QB
t
Q1
t
Q2
-
52
105
-
4t
3
25
20
-
-
4.5
5t3
-
MHz
ns
ns
MHz
-
ns
f
f
= 1/t
3
t
4
> t
3
t
5
> 2t
3
f
QA
= f
QB
<1/4t
3
-
t
Q2
= t
3
/2
t
fda
4.5t
3
5.5t3
ns
-
t
fdb
t
nt
t
id
t
is
t
ih
t
fw
3t
3
0
60
10
10
50
4t3
-
-
-
-
-
ns
ns
ns
ns
ns
ns
-
-
t
id
> t
4
-
-
t
fw
t
4
Non-Quadrature Mode
(See Fig. 7-8)
Clock A - High Pulse Width
Clock A - Low Pulse Width
Direction Input B Set-up Time
Direction Input B Hold Time
Clock Frequency
Clock to FLGa Out Delay
FLGa Out Pulse Width
INDX Pulse Width
t
6
t
7
t
8s
t
8
f
A
t
9
t
10
t
11
24
24
24
20
-
-
24
30
-
-
-
-
20
40
-
-
ns
ns
ns
ns
MHz
ns
ns
ns
-
-
-
-
f
A
= (1/ (t
6
+ t
7
))
-
t
10
= t
7
-
7566-112904-8
For VDD = 5V ±10%
Parameter Symbol Min. Value Max.Value Unit Remarks
Quadrature Mode
(See Fig. 4-6)
PCK High Pulse Width
t
1
PCK Low Pulse Width
t
2
PCK Frequency
f
pCK
Filter Clock (ff) Period
t
3
t
3
12
12
-
25
50
-
-
40
-
-
ns
ns
MHz
ns
ns
-
-
-
t
3
= t
1
+ t
2
, MDR0 <7> = 0
t
3
= t
1
+ t
2
, MDR0 <7> = 1
Filter clock frequency
Quadrature Separation
Quadrature Clock Pulse Width
Quadrature Clock frequency
Quadrature Clock to Count Delay
x1 / x2 / x4 Count Clock Pulse Width
Quadrature Clock to
FLGa delay
Quadrature Clock to
FLGb delay
FLGa to INT/ delay
INDX Input Pulse Width
INDX set-up time
INDX hold time
FLGa Output Width
f
f
t
4
t
5
f
QA
, f
QB
t
Q1
t
Q2
-
26
52
-
4t
3
12
40
-
-
9.6
5t3
-
MHz
ns
ns
MHz
-
ns
-
t
4
> t
3
t
5
> 2t
3
f
QA
= f
QB
< 1/4t
3
-
t
Q2
= t
3
/2
t
fda
4.5t
3
5.5t3
ns
-
t
fdb
t
nt
t
id
t
is
t
ih
t
fw
3t
3
0
32
5
5
24
4t3
-
-
-
-
-
ns
ns
ns
ns
ns
ns
-
-
t
id
> t
4
-
-
t
fw
t
4
Non-Quadrature Mode
(See Fig. 7-8)
Clock A - High Pulse Width
Clock A - Low Pulse Width
Direction Input B Set-up Time
Direction Input B Hold Time
Clock Frequency
Clock to FLGa Out Delay
FLGa Out Pulse Width
INDX Pulse Width
t
6
t
7
t
8
t
8
f
A
t
9
t
10
t
11
12
12
12
10
-
-
12
15
-
-
-
-
40
20
-
-
ns
ns
ns
ns
MHz
ns
ns
ns
-
-
-
-
f
A
= (1/ (t
6
+ t
7
))
-
t
10
= t
7
-
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