User Manual

點晶科技股份有限公司
SILICON TOUCH TECHNOLOGY INC. DM163
8x3-CHANNEL CONSTANT CURRENT LED DRIVERS Version: A.004 Page 9
Switching Characteristics (V
DD
= 3.3V, Ta = 25°C)
CHARACTERISTIC SYMBOL CONDITION MIN. TYP. MAX. UNIT
SOUT Rise time t
or
⎯ 4 5
ns
SOUT Fall time t
of
⎯ 4 5
ns
SOUT Propagation delay
(L to H)
t
pLH
⎯ 24 30
ns
SOUT Propagation delay
(H to L)
t
pHL
VIH=VDD
VIL=GND
REXT=3KΩ
CL=13pF
⎯ 20 25
ns
IOUT Rise time t
or
⎯ 15 18
ns
IOUT Fall time t
of
⎯ 20 25
ns
IOUT Propagation delay
After GCK or EN_B
(L to H / OFF to ON)
t
pLH
⎯ 35 37
ns
IOUT Propagation delay
After GCK or EN_B
(H to L / ON to OFF)
t
pHL
VIH=VDD
VIL=GND
REXT=3KΩ
VLED=3.3V
RL=120Ω
CL=33pF
⎯ 30 35
ns
Switching Characteristics (V
DD
= 5.0V, Ta = 25°C)
CHARACTERISTIC SYMBOL CONDITION MIN. TYP. MAX. UNIT
SOUT Rise time t
or
⎯ 4 5
ns
SOUT Fall time t
of
⎯ 4 6
ns
SOUT Propagation delay
(L to H)
t
pLH
⎯ 19 25
ns
SOUT Propagation delay
(H to L)
t
pHL
VIH=VDD
VIL=GND
REXT=3KΩ
CL=13pF
⎯ 17 23
ns
IOUT Rise time t
or
⎯ 4 6
ns
IOUT Fall time t
of
⎯ 15 18
ns
IOUT Propagation delay
After GCK or EN_B
(L to H / OFF to ON)
t
pLH
⎯ 26 30
ns
IOUT Propagation delay
After GCK or EN_B
(H to L / ON to OFF)
t
pHL
VIH=VDD
VIL=GND
REXT=3KΩ
VLED=5.0V
RL=120Ω
CL=33pF
⎯ 20 25
ns
Input Capacitance (Ta = 25°C)
INPUT NODE SYMBOL CONDITION MIN. TYP. MAX. UNIT
SIN C
SIN
⎯ ⎯ 3 ⎯ pF
DCK C
DCK
⎯ ⎯ 3 ⎯ pF
GCK C
GCK
⎯ ⎯ 3 ⎯ pF
LAT_B C
LAT_B
⎯ ⎯ 3 ⎯ pF
EN_B C
EN_B
⎯ ⎯ 3 ⎯ pF
RST_B C
RST_B
⎯ ⎯ 3 ⎯ pF
SELBK C
SELBK
⎯ ⎯ 3 ⎯ pF