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參數(shù)資料
| 型號： | PMM8714PT |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 5-Phase Stepping Motor Drive IC for Universal Controller |
| 中文描述： | 5相步進(jìn)電機驅(qū)動集成電路通用控制器 |
| 文件頁數(shù)： | 3/5頁 |
| 文件大?。?/td> | 73K |
| 代理商： | PMM8714PT |
50%
50%
50%
50%
50%
50%
50%
50%
90%
90%
90%
90%
90%
10%
10%
10%
10%
10%
20ns
20ns
20ns
20ns
t
W
t
W
t
PLH
t
PHL
C
U
C
D
C
K
C
K
1/f
U/D
t
HOLD
t
SET
A~E
50%
339
Input system
Input
Rotation
C
U
C
D
C
K
U/D
direction
Double input system
L
L
L
CW
(CW,CCW)
L
L
L
CCW
Single input system
L
L
H
CW
(CK,U/D)
L
L
L
CCW
Energization system
Input
R
P
D
E
A
E
B
E
C
4 EX
H
H
L
H
L
4-5EX
H
H
L
L
L
5 EX
H
H
H
L
L
Item
Symbol
Conditions
Standard Value
Unit
VCC [V]
Min.
Standard
Max.
Max. clock frequency
f
MAX
5
——————
250
300
—
kH
Z
10
270
350
—
Min. clock pulse width
t
W
5
——————
—
300
500
ns
10
—
300
500
Min. reset pulse width
t
WR
5
——————
—
200
500
ns
10
—
200
500
Delay time
t
PHL
5
——————
—
2500
3500
ns
( output from clock input)
t
PLH
10
—
2500
3500
Delay time
t
PHL
5
——————
—
3000
4000
ns
(Each monitoring from clock input)
t
PLH
10
—
3000
4000
Preset time
t
SET
5
——————
4000
3000
—
ns
10
4000
3000
—
Holding time
t
HOLD
5
——————
500
0
—
ns
10
500
0
—
Switching Characteristics
(
Ta
=
25C
)
Switching Characteristics
Function table
Input mode and rotating direction Excitation mode
Electrical characteristics
H
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