Typical operating characteristics, Electrical characteristics (continued) – Rainbow Electronics MAX6934 User Manual
Page 4
Typical Operating Characteristics
(V
CC
= 5.0V, V
BB
= 76V, and T
A
= +25°C, unless otherwise noted.)
MAX6922/MAX6932/MAX6933/MAX6934
27-, 28-, and 32-Output, 76V,
Serial-Interfaced VFD Tube Drivers
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(Typical Operating Circuit, V
BB
= 8V to 76V, V
CC
= 3V to 5.5V, V
SS
= -11V to 0V, V
BB
- V
SS
≤ 76V, T
A
= T
MIN
to T
MAX
, unless other-
wise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
3V to 4.5V
80
130
Rise and Fall Time DOUT
C
DOUT
= 10pF
(Note 2)
4.5V to 5.5V
50
80
ns
CLK Clock Period
t
CP
200
ns
CLK Pulse-Width High
t
CH
90
ns
CLK Pulse-Width Low
t
CL
90
ns
CLK Rise to LOAD Rise Hold
t
CSH
(Note 2)
100
ns
DIN Setup Time
t
DS
5
ns
3.0V to 4.5V
20
DIN Hold Time
t
DH
4.5V to 5.5V
15
ns
3.0V to 4.5V
25
120
240
DOUT Propagation Delay
t
DO
C
DOUT
= 10pF
4.5V to 5.5V
20
75
150
ns
LOAD Pulse High
t
CSW
60
ns
Note 1: All parameters are tested at T
A
= +25°C. Specifications over temperature are guaranteed by design.
Note 2: Guaranteed by design.
Note 3: Delay measured from control edge to when output OUT_ changes by 1V.
TUBE SUPPLY CURRENT (I
BB
)
vs. TEMPERATURE (OUTPUTS LOW)
MAX6922 toc01
TEMPERATURE (°C)
SUPPLY CURRENT (mA)
100
80
40
60
0
20
-20
0
1.2
0.8
0.4
1.6
2.0
2.4
2.8
-40
120
V
BB
= 8V
V
BB
= 40V
V
BB
= 76V
MAX6922 toc02
TEMPERATURE (°C)
SUPPLY CURRENT (mA)
100
80
40
60
0
20
-20
0
0.8
0.6
0.4
0.2
1.0
1.2
1.4
1.6
2.0
1.8
-40
120
V
BB
= 8V
V
BB
= 40V
V
BB
= 76V
TUBE SUPPLY CURRENT (I
BB
)
vs. TEMPERATURE (OUTPUTS HIGH)
MAX6922 toc03
TEMPERATURE (°C)
SUPPLY CURRENT (mA)
100
80
40
60
0
20
-20
0
0.4
0.3
0.2
0.1
0.5
0.6
0.7
0.8
1.0
0.9
-40
120
LOGIC SUPPLY CURRENT (I
CC
)
vs. TEMPERATURE (OUTPUTS LOW)
V
CC
= 5V, CLK = 5MHz
V
CC
= 3.3V, CLK = 5MHz
V
CC
= 5V, CLK = IDLE
V
CC
= 3.3V, CLK = IDLE