MAX6971(2005) Ver la hoja de datos (PDF) - Maxim Integrated
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MAX6971 Datasheet PDF : 12 Pages
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16-Port, 36V Constant-Current LED Driver
5V TIMING CHARACTERISTICS
(Typical Operating Circuit, V+ = 4.5V to 5.5V, TA = TMIN to TMAX, unless otherwise noted.) (Notes 1, 2, 3)
PARAMETER
CLK Clock Period
CLK Pulse-Width High
CLK Pulse-Width Low
DIN Setup Time
DIN Hold Time
DOUT Propagation Delay
DOUT Rise and Fall Time
LE Pulse-Width High
LE Setup Time
LE Rising to OUT_ Rising Delay
LE Rising to OUT_ Falling Delay
CLK Rising to OUT_ Rising Delay
CLK Rising to OUT_ Falling Delay
OE Rising to OUT_ Rising Delay
OE Falling to OUT_ Falling Delay
LED Output OUT_ Turn-On Fall
Time
SYMBOL
tCP
tCH
tCL
tDS
tDH
tDO
tDR, tDF
tLW
tLS
tLRR
tLRF
tCRR
tCRF
tOEH
tOEL
CONDITIONS
CDOUT = 10pF, 20% to 80%
(Note 3)
(Note 3)
(Note 3)
(Note 3)
(Note 3)
(Note 3)
tf
80% to 20%, pullup resistor = 65Ω
MIN TYP
40
19
19
4
8
12
20
10
LED Output OUT_ Turn-Off Rise
Time
tr
20% to 80%, pullup resistor = 65Ω
Note 1: All parameters tested at TA = +25°C. Specifications over temperature are guaranteed by design.
Note 2: See Figure 3.
Note 3: A 65Ω pullup resistor connected from OUT_ to 5.5V.
MAX
32
10
100
300
100
310
100
320
120
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
120
ns
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