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參數(shù)資料
| 型號： | M66503ASP |
| 廠商： | Mitsubishi Electric Corporation |
| 元件分類： | LED驅(qū)動器 |
| 英文描述： | 16-BIT CONSTANT CURRENT LED DRIVER with SHIFT REGISTER AND LATCH |
| 中文描述： | 16位恒流LED驅(qū)動器的移位寄存器和鎖存 |
| 文件頁數(shù)： | 3/8頁 |
| 文件大?。?/td> | 114K |
| 代理商： | M66503ASP |
3
MITSUBISHI
DIGITAL ASSP
M66503ASP/AGP
16-BIT CONSTANT CURRENT LED DRIVER with SHIFT REGISTER AND LATCH
FUNCTION TABLE (Note 3)
Input
CK
S
↑
↑
X
X
X
Note 3:
↑
:Denotes change from “L” to “H”.
Q
0
:Denotes state of Q output before change in CK
S
input.
x
:Either “L” or “H”
q
0
:Contents of shift register before change in CK
S
input
q :Contents of shift register
z
:Denotes high impedance state
LE
H
H
L
X
X
A
H
L
X
L
H
OE
A
L
L
L
L
H
OE
B
H
H
H
L
X
Q
0
L
Z
Q
00
Z
L
Q
1
Q
00
Q
00
Q
10
Z
L
Q
2
Q
10
Q
10
Q
20
Z
L
Q
3
Q
20
Q
20
Q
30
Z
L
Q
4
Q
30
Q
30
Q
40
Z
L
Q
5
Q
40
Q
40
Q
50
Z
L
Parallel output
··································
··································
··································
··································
··································
··································
Q
15
Q
140
Q
140
Q
150
Z
L
Q
14
Q
130
Q
130
Q
140
Z
L
Q
13
Q
120
Q
120
Q
130
Z
L
Q
12
Q
110
Q
110
Q
120
Z
L
Serial output
SQ15
q
140
q
140
q
15
q
15
q
15
PIN DESCRIPTION
Pin
A
CK
S
LE
Description
Shift register’s serial data input pin.
Clock input pin. Shifts data at leading edge.
If “H”, contents in shift register appear at output Q
n
, and if “L”, contents in shift
register are latched.
Output enable input pins.
If OE
A
=“H”, all outputs, Q
n
, are turned on.
If OE
A
=“L” and OE
B
=“L”, all outputs, Q
n
, are turned off.
Serial data output pin of shift register
Connect a resistor between the RC pin and GND to set the driving current.
Driver output pins. Connect LED’s cathodes to these pins.
Connect to positive power source (+5V).
GND for internal digital circuits.
GND for internal analog circuits.
OE
A
OE
B
SQ15
RC
Q
n
V
CC
GND1
GND2~5
Name
Serial data input pin
Shift clock input pin
Latch enable input pin
Output enable input
pins
Serial data output pin
Current setting input pin
LED connection pins.
Power supply pin
GND pin 1
GND pins 2-5
Input/Output
Input
Input
Input
Input
Output
Input
Output
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