5v timing characteristics – Rainbow Electronics MAX6971 User Manual
Page 3
MAX6971
16-Port, 36V Constant-Current LED Driver
_______________________________________________________________________________________
3
5V TIMING CHARACTERISTICS
(Typical Operating Circuit, V+ = 4.5V to 5.5V, T
A
= T
MIN
to T
MAX
, unless otherwise noted.) (Notes 1, 2, 3)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
CLK Clock Period
t
CP
40
ns
CLK Pulse-Width High
t
CH
19
ns
CLK Pulse-Width Low
t
CL
19
ns
DIN Setup Time
t
DS
4
ns
DIN Hold Time
t
DH
8
ns
DOUT Propagation Delay
t
DO
12
32
ns
DOUT Rise and Fall Time
t
DR,
t
DF
C
DOUT
= 10pF, 20% to 80%
10
ns
LE Pulse-Width High
t
LW
20
ns
LE Setup Time
t
LS
10
ns
LE Rising to OUT_ Rising Delay
t
LRR
(Note 3)
100
ns
LE Rising to OUT_ Falling Delay
t
LRF
(Note 3)
300
ns
CLK Rising to OUT_ Rising Delay
t
CRR
(Note 3)
100
ns
CLK Rising to OUT_ Falling Delay
t
CRF
(Note 3)
310
ns
OE Rising to OUT_ Rising Delay
t
OEH
(Note 3)
100
ns
OE Falling to OUT_ Falling Delay
t
OEL
(Note 3)
320
ns
LED Output OUT_ Turn-On Fall
Time
t
f
80% to 20%, pullup resistor = 65
Ω
120
ns
LED Output OUT_ Turn-Off Rise
Time
t
r
20% to 80%, pullup resistor = 65
Ω
120
ns
Note 1: All parameters tested at T
A
= +25°C. Specifications over temperature are guaranteed by design.
Note 2: See Figure 3.
Note 3: A 65
Ω pullup resistor connected from OUT_ to 5.5V.