HV518
Electrical Characteristics
(over recommended ranges of operating free-air temperature and V
DD
. Unless otherwise noted, V
PP
= 80V)
Symbol
I
DD
I
DDQ
I
PP
Supply current
Quiescent supply current
Supply current
7
Parameter
Min
Typ
Max
10
0.5
12
10
500
V
OH
V
OL
I
IH
I
IL
High-level output voltage
HVoutput
Serial output
Low-level output
HVoutput
Serial output
High-level logic input current
Low-level logic input current
0.06
0.1
-0.1
70.0
4.5
4.9
5
5
0.8
1
-1
Units
mA
mA
mA
mA
µA
V
V
V
V
µA
µA
Conditions
V
DD
= 5V, f
CH
= 6.0 MHz
V
DD
= 5.5V, V
IN
= 0V
Output high, T
A
= -40°C
Output high, T
A
= 0 to +85°C
Outputs low
I
OH
= -25mA
V
DD
= 5V, I
OH
= -20µA
I
OL
= 1mA
I
OL
=20µA
V
IH
= V
DD
V
IL
= 0V
Note:
The total number of ON outputs times the duty cycle must not exceed the allowable package power disspation.
Switching Characteristics
(V
PP
= 80V, C
L
= 50 pF, T
A
= 25°C, unless otherwise noted)
Symbol
t
d
t
DHL
t
DLH
t
THL
t
TLH
Parameter
Delay time, Clock to data output
Delay time, high-to-low-level,
HVoutput
Delay time, low-to-high-level
HVoutput
from latch enable
from strobe
from latch enable
from strobe
V
DD
= 4.5V
V
DD
= 4.5V
V
DD
= 4.5V
V
DD
= 4.5V
V
DD
= 4.5V
Min
Max
600
1.5
1
1.5
1
3
2.5
µs
µs
µs
Unit
ns
µs
Conditions
C
L
=15 pF
See Figure 4
See Figure 5
See Figure 6
See Figure 5
See Figure 6
See Figure 6
See Figure 6
Transition time, high-to-low-level, HVoutput
Transition time, low-to-high-level, HVoutput
Recommended Operating Conditions
(T
A
= 25°C, unless otherwise noted)
Symbol
V
DD
V
PP
V
IH
V
IL
I
OH
I
OL
f
CLK
t
w(CKH)
t
w(CKL)
t
su
t
h
T
A
Logic voltage supply
High voltage supply
High-level input voltage (See Fig.3.)
Low-level input voltage (See Fig. 3.)
High-level output current
Low-level output current
Clock frequency (see Figure 3)
Pulse duration , clock high
Pulse duration , clock low
Setup time, data before clock
Hold time, data after clock
Operating free-air temperature
V
DD
= 4.5V
V
DD
= 4.5V
V
DD
= 4.5V
V
DD
= 4.5V
V
DD
= 4.5V
83
83
75
75
-40
85
V
DD
= 4.5V
V
DD
= 4.5V
-25
2
6.0
Parameter
Min
4.5
8
3.5
1
Max
5.5
80
Units
V
V
V
V
mA
mA
MHz
ns
ns
ns
ns
°C
Note:
Power-up sequence should be the following:
1. Connect ground.
2. Apply V
DD
.
3. Set all inputs (Data, CLK, Enable, etc.) to a known state.
Power-down sequence should be the reverse of the above.
4.
5.
Apply V
PP
.
The V
PP
should not drop below V
DD
or float during operation.
2
SUPERTEX [ Supertex, Inc ]
