MAX6921AQI(2003) 데이터 시트보기 (PDF) - Maxim Integrated
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MAX6921AQI Datasheet PDF : 14 Pages
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20-Output, 76V, Serial-Interfaced
VFD Tube Drivers
ELECTRICAL CHARACTERISTICS (continued)
(Typical Operating Circuit, VBB = 8V to 76V, VCC = 3V to 5.5V, VSS = -11V to 0V, VBB - VSS ≤ 76V, TA = TMIN to TMAX, unless other-
wise noted.) (Note 1)
PARAMETER
Rise and Fall Time DOUT
CLK Clock Period
CLK Pulse-Width High
CLK Pulse-Width Low
CLK Rise to LOAD Rise Hold
DIN Setup Time
DIN Hold Time
DOUT Propagation Delay
LOAD Pulse High
SYMBOL
CONDITIONS
CDOUT = 10pF
(Note 2)
3V to 4.5V
4.5V to 5.5V
tCP
tCH
tCL
tCSH
tDS
tDH
(Note 2)
3.0V to 4.5V
4.5V to 5.5V
tDO
CDOUT = 10pF
3.0V to 4.5V
4.5V to 5.5V
tCSW
MIN TYP MAX UNITS
60
100
ns
30
80
200
ns
90
ns
90
ns
100
ns
5
ns
20
ns
15
25
120
240
ns
20
75
150
55
ns
Note 1: All parameters are tested at TA = +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.
Typical Operating Characteristics
(VCC = 5.0V, VBB = 76V, and TA = +25°C, unless otherwise noted.)
TUBE SUPPLY CURRENT (IBB)
vs. TEMPERATURE (OUTPUTS LOW)
2.0
VBB = 76V
1.8
1.6
1.4
VBB = 40V
1.2
VBB = 8V
1.0
0.8
0.6
0.4
0.2
0
-40 -20
0 20 40 60 80 100 120
TEMPERATURE (°C)
TUBE SUPPLY CURRENT (IBB)
vs. TEMPERATURE (OUTPUTS HIGH)
2.0
1.8
1.6
1.4
1.2
VBB = 76V
1.0
0.8
0.6
0.4
VBB = 40V
VBB = 8V
0.2
0
-40 -20
0 20 40 60 80 100 120
TEMPERATURE (°C)
LOGIC SUPPLY CURRENT (ICC)
vs. TEMPERATURE (OUTPUTS LOW)
400
350 VCC = 5V, CLK = 5MHz
300
250 VCC = 3.3V, CLK = 5MHz
200
150
100
VCC = 5V, CLK = IDLE
50
VCC = 3.3V, CLK = IDLE
0
-40 -20
0 20 40 60 80 100 120
TEMPERATURE (°C)
4 _______________________________________________________________________________________
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