HV6810 Supertex Inc, HV6810 Datasheet - Page 4

• Manufacturer Part Number: HV6810
• Description: 10-Channel Serial-Input Latched Display Driver
• Manufacturer: Supertex Inc

Functional Block Diagram
Function Table
L = Low logic level
H = High logic level
X = Irrelevant
P = Present state
R = Previous state
Switching Waveforms
Serial
Input
Data
H
X
L
Clock
Data
Clock
Input
t
su(D)
Shift Register Contents
I
H R
L R
R
X X X … X
P
1
1
1
I
R
P
2
Latch Enable
Input Timing
2
1
1
2
50%
I
R
R
R
P
3
Data Input
2
2
3
3
Blanking
… I
… R
… R
… R
… P
Valid
Clock
N-1
N-1
N-2
N-2
N-1
50%
50%
t
I
R
R
R
X
P
w(CKH)
N
N
N-1
N-1
N
t
50%
•
•
•
h(D)
Output
•
•
•
Serial
Data
R
R
Logic Diagram (positive logic)
Shift Register
R
P
X
N-1
N-1
N
N
1D
C1
1D
C1
1D
C1
1D
C1
V
V
V
V
Strobe
IH
IH
IL
IL
Input
H
L
12-145
R10
R1
R2
R9
I
R
P
X X X … X
•
•
•
1
1
1
I
R
P
Enable
Output
2
Latch Contents
Clock
Latch
2
2
Input
Latches
I
R
P
C2
2D
C2
2D
C2
2D
C2
2D
3
3
3
… I
… R
… P
50%
N-1
LC10
N-1
N-1
LC1
LC2
LC9
I
R
P
X
N
Valid
N
N
Output Switching Times
•
•
•
t
CKH–LEH
(Q3 thru Q8)
not shown
6 Stages
Blanking
50%
Input
H
L
Q1
Q2
Q9
Q10
Serial
Out
t
90%
pd
I
P
L L L … L
1
1
Output Contents
I
P
2
50%
Valid
2
t
w(LEH)
I
P
3
3
… I
… P
N-1
N-1
HV6810
V
V
V
V
I
P
L
N
IH
IL
IH
IL
N