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參數資料
| 型號： | 6275 |
| 廠商： | Allegro MicroSystems, Inc. |
| 元件分類： | LED驅動器 |
| 英文描述： | 8-BIT SERIAL-INPUT, CONSTANTCURRENT LATCHED LED DRIVER |
| 中文描述： | 8位串行輸入，CONSTANTCURRENT鎖存LED驅動 |
| 文件頁數： | 5/12頁 |
| 文件大?。?/td> | 179K |
| 代理商： | 6275 |
6275
8-BIT SERIAL-INPUT,
CONSTANT-CURRENT
LATCHED LED DRIVER
www.allegromicro.com
5
RECOMMENDED OPERATING CONDITIONS
Characteristic
Symbol
Conditions
Min.
Typ.
Max.
Unit
Supply Voltage
V
DD
4.5
5.0
5.5
V
Output Voltage
V
O
-
1.0
4.0
V
Output Current
I
O
Continuous, any one output
-
-
90
mA
I
OH
SERIAL DATA OUT
-
-
-1.0
mA
I
OL
SERIAL DATA OUT
-
-
1.0
mA
Logic Input Voltage
V
IH
0.7V
DD
-
V
DD
+ 0.3
V
V
IL
-0.3
-
0.3V
DD
V
Clock Frequency
f
CK
Cascade operation
-
-
10
MHz
SWITCHING CHARACTERISTICS at T
A
= 25
°
C, V
DD
= V
IH
= 5 V, V
CE
= 0.4 V, V
IL
= 0 V,
R
EXT
= 470
, I
O
= 40 mA, V
L
= 3 V, R
L
= 65
, C
L
= 10.5 pF.
Limits
Characteristic
Symbol
Test Conditions
Min.
Typ.
Max.
Unit
Propagation Delay Time
t
pHL
CLOCK-OUT
n
–
350
1000
ns
LATCH-OUT
n
–
350
1000
ns
ENABLE-OUT
n
–
350
1000
ns
CLOCK-SERIAL DATA OUT
–
80
110
ns
Propagation Delay Time
t
pLH
CLOCK-OUT
n
–
300
1000
ns
LATCH-OUT
n
–
300
1000
ns
ENABLE-OUT
n
–
300
1000
ns
CLOCK-SERIAL DATA OUT
–
80
110
ns
Output Fall Time
t
f
90% to 10% voltage
150
350
1000
ns
Output Rise Time
t
r
10% to 90% voltage
150
300
600
ns
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