a6812ea Allegro MicroSystems, Inc., a6812ea Datasheet - Page 5

• Manufacturer Part Number: a6812ea
• Description: Dabic-iv 20-bit Serial-input Latched Source Driver
• Manufacturer: Allegro MicroSystems, Inc.

A6812
Serial
Data
Input Input I
H
L
X
L = Low Logic Level
I
N
Clock
H
L
R
X
P
1
1
1
Shift Register Contents
I
R
R
R
X
P
2
H = High Logic Level
1
1
2
2
I
R
R
R
X
P
3
3
2
2
3
...
...
...
...
...
...
I
R
R
R
X
P
N-1
N-1
N-2
N-2
N-1
I
R
R
R
X
P
N
N
N-1
N-1
N
X = Irrelevant
Output
Serial
Data
R
R
R
X
P
N
N-1
N-1
N
Strobe
P = Present State
Input
TRUTH TABLE
H
L
I
R
P
X
1
1
1
Latch Contents
I
R
P
X
2
2
2
R = Previous State
DABiC-IV 20-Bit Serial-Input
I
R
P
X
3
3
3
...
...
...
...
I
R
P
X
N-1
N-1
N-1
P
R
I
X
Latched Source Driver
N
N
N
Blanklng
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
H
L
I
P
L
1
1
Output Con tents
I
P
L
2
2
I
P
L
3
3
... I
... P
... L
N-1
N-1
L
P
N
5