HV7224 Supertex, Inc., HV7224 Datasheet - Page 5

• Manufacturer Part Number: HV7224
• Description: 40-channel Symmetric Row Driver
• Manufacturer: Supertex, Inc.

Function Table
Output Sequence Operation Table
Notes:
Notes:
* Reference to package outline or chip layout drawing.
1.DR
2. DR
I/O Relations
H = logic high level, L = logic low level, X = irrelevant
Data input (DR
Only one active output can be set at a time.
O/P HIGH
OP LOW
OP OFF
OP OFF
IOA
IOB
DIR
H
H
L
L
is DR
is DR
IOB
IOA
delayed by 40 clock pulses.
delayed by 40 clock pulses.
IO
) loaded on the low-to-high transistion of the clock.
Shift
H
H
L
L
CLK
X
X
X
X
Data Reset In
DIR
X
X
X
X
DR
DR
DR
DR
IOB
IOA
IOB
IOA
S/R DATA
Inputs
H
H
X
L
Data Reset Out
5
POL
H
X
X
L
DR
DR
DR
DR
IOA
IOB
IOA
IOB
1
2
1
2
OE
H
L
L
L
HV
20 → 1 → 40 → 21
21 → 40 → 1 → 20
OUT
40 → 1
1 → 40
# Sequence
All O/P HIGH-Z
HV Outputs
HIGH-Z
H
L
Direction
HV7224