HV518 Supertex Inc, HV518 Datasheet - Page 4

• Manufacturer Part Number: HV518
• Description: 32-Channel Vacuum-Fluorescent Display Driver
• Manufacturer: Supertex Inc

Block Diagram
Truth Tables
Input
* Previous state
Typical Operating Sequence
Data In
H
Latch Enable
L
X
SR Contents
HV Output
Contents
Data In
Strobe
Clock
Latch
No Change
CLK
D
CLK
D
OUT
Data Out
IN
H
L
*
PREVIOUSLY STORED DATA
Register
32-Bit
Shift
INVALID
VALID
• • •
Output
* Previous state
Data In
X
H
X
L
Latches
LE
4
LE
X
H
H
L
STB
IRRELEVANT
VALID
STB
V
H
L
L
L
PP
VALID
HV
HV
OUT
OUT
HV Outputs
1
32
All Low
High
Low
*
NEW DATA VALID
HV518