ST2221C Datasheet, PDF (7/17 Pages) List of Unclassifed Manufacturers – 16 BIT CONSTANT CURRENT LED DRIVERS

點晶科技股份有限公司
SILICON TOUCH TECHNOLOGY INC.
ST2221C
Electrical Characteristics (VDD = 5.0 V, Ta = 25°C unless otherwise noted)
CHARACTERISTIC SYMBOL
CONDITION
MIN.
Input Voltage “H” Level
VIH
⎯
0.7VDD
Input Voltage “L” Level
VIL
⎯
GND
Output Leakage Current
IOH VOH = 9.5 V
⎯
VOL IOL = 1.0 mA
⎯
Output Voltage ( S - OUT)
VOH IOH = -1.0 mA
4.6
VOUT = 0.7±0.25V
IOL1
⎯
REXT = 910Ω
Output Current (Bit-Bit)
VOUT = 0.7±0.25V
IOL2
⎯
REXT = 360Ω
IOL3 VOUT = 0.7V REXT = 910Ω ⎯
Output Current (Chip-Chip)
IOL4 VOUT = 0.7V REXT = 360Ω ⎯
Supply Voltage Regulation % / VDD REXT = 470Ω, Ta = -40 ~ 85°C ⎯
Pull-Up Resistor
RIN(up)
⎯
150
Pull-Down Resistor
RIN(down)
⎯
100
IDD(off)1 REXT = OPEN, OUT0~7 = off ⎯
Supply Current “OFF”
IDD(0ff)2 REXT = 470Ω, OUT0~7 = off
3.9
IDD(off)3 REXT = 250Ω, OUT0~7 = off
7.2
Supply Current “ON”
IDD(on)1 REXT = 470Ω, OUT0~7 = on
3.9
IDD(on)2 REXT = 250Ω, OUT0~7 = on
7.2
TYP.
⎯
⎯
⎯
⎯
⎯
3
3
5
5
1.5
300
200
0.3
5.5
10.1
5.5
10.1
MAX. UNIT
VDD
V
0.3VDD
1.0 uA
0.4
V
⎯
6
6
%
10
10
5.0 % / V
600 KΩ
400 KΩ
0.6
7.7
14.1 mA
7.7
14.1
Switching Characteristics (Ta = 25 °C unless otherwise noted)
CHARACTERISTIC
SIN-OUTn
Propagation _LATCH-OUTn
Delay Time
(“L” to “H”) ^ENABLE-OUTn
CLK-SOUT
SIN-OUTn
Propagation _LATCH-OUTn
Delay Time
(“H” to “L”) ^ENABLE-OUTn
CLK-SOUT
Output Current Rise Time
Output Current Fall Time
SYMBOL
tpLH
CONDITION
VDD=5.0V
VIH=VDD
VIL=GND
REXT=470Ω¹
VL=3.0V
RL=65Ω
CL=13pF
tpHL
tor
tof
MIN.
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
TYP.
450
450
450
15
20
20
20
15
450
20
MAX.
550
550
550
20
40
40
40
20
550
40
UNIT
ns
ns
ns
ns
1 _{Delay time tpLH and Rise Time tor will both increase as the Rext value increased.}
16-Bit Constant Current LED Drivers
-6-
Version：A.004