SAMHOP Microelectronics Corp.
8-BIT CONSTANT CURRENT LED DRIVER
SWITCHING CHARACTERISTICS (Ta = 25
o
C unless otherwise noted)
Characteristic
SERIAL-IN-OUTn
Propagation
Delay Time
("L" to "H")
LATCH-OUTn
Symbol
Condition
Min.
-
-
Typ.
180
180
180
25
130
130
130
22
130
130
Max. Unit
360
360
ns
360
40
360
360
ns
360
40
400
ns
400
tpLH
ENABLE-OUTn
CLOCK
-SERIAL-OUT
SERIAL-IN-OUTn
-
-
V
DD
= 5.0V
R
EXT
= 470Ω
V
L
= 3.0V
R
L
= 62Ω
C
L
= 10 pF
-
-
-
-
tor
tof
100
100
Propagation
Delay Time
("H" to "L")
LATCH-OUTn
tpHL
ENABLE-OUTn
CLOCK
-SERIAL-OUT
Output Rise Time
Output Fall Time
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V.2.10