點晶科技股份有限公司
SILICON TOUCH TECHNOLOGY INC.
新竹市科學園區展業一路9號7樓之1
9-7F-1, Prosperity RoadⅠ, Hsin-Chu, Taiwan, R.O.C.
DM634
Tel：886-3-5645656
Fax：886-3-5645626
Switching Characteristics (VCC = 5.0V, Ta = 25°C, GBC = 95 unless otherwise noted)
CHARACTERISTIC
SYMBOL
CONDITION
MIN.
TYP.
MAX.
UNIT
GCK-to-OUT
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
47.5
25
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
Propagation Delay
DCK(rising)-to-DAO
DCK(falling)-to-DAO
GCK-to-OUT
tpLH
(‘L’ to ‘H’)
14.4
28.5
24
VIH = VCC
VIL = GND
Rrext = 2.2 KΩ
VL = 5.0 V
Propagation Delay
DCK(rising)-to-DAO
DCK(falling)-to-DAO
tpHL
ns
(‘H’ to ‘L’)
9.7
15
Output Current Rise Time
Output Current Fall Time
tor
tof
7.5
CL = 13 pF
Output to output Delay Time Unit
⎯
⎯
33
⎯
td
Output Current
top*1
⎯
4.6
ms
(Propagation Delay after
trigger)
LAT
Switching Characteristics (VCC = 3.3V, Ta = 25°C, GBC = 95 unless otherwise noted)
CHARACTERISTIC
SYMBOL
CONDITION
MIN.
TYP.
MAX.
UNIT
GCK-to-OUT
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
51.5
30.5
18.3
31.5
29
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
Propagation Delay
DCK(rising)-to-DAO
DCK(falling)-to-DAO
GCK-to-OUT
tpLH
(‘L’ to ‘H’)
VIH = VCC
VIL = GND
Rrext = 2.2 KΩ
VL = 3.3 V
Propagation Delay
ns
DCK(rising)-to-DAO
DCK(falling)-to-DAO
tpHL
(‘H’ to ‘L’)
14.4
20
Output Current Rise Time
Output Current Fall Time
Output to output Delay Time Unit
Output Current
tor
tof
td
10
CL = 13 pF
34
top*1
⎯
⎯
4.6
ms
(Propagation Delay after
trigger)
LAT
VL
VCC
A
DAI
OUTn
REXT
DAO
DCK
LAT
SOMODE
/GCK
Rrext
CL
CL
CL
CL
CL
GND
Switching Characteristics Test Circuit
*1 Reload the new PWM data at the end of the last PWM frame.
16-channel 16-bit PWM Constant Current LED Driver
Version : A.003
Page 8
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