W2RF004RM Datasheet, PDF (2/10 Pages) Omron Electronics LLC – Most Suitable IC for Controlling LED Effects within Applications

Timing Characteristics (Ta = 25°C, V_DD = 5V)
Item
Symbol
Condition
Driving Output PWM Cycle
Communication Clock
Pulse Width
Setup Time
Hold Time
T_PWM
t_SCL
t_SET
t_HLD
SCL-I
SDA-I
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t_SCL
t_SCL
t_SET
t_HLD
Valid
Min.
3.88
Spec.
Typ.
4.00
Max.
4.12
100
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50
---
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50
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Unit
ms
ns
ns
ns
Applicable
terminal
OUTA0 to 2
OUTB0 to 2
OUTC0 to 2
SCL-I
SDA-I, SCL-I
Fig. 1 Input timing waveforms
Engineering Data
Block Diagram
INV
SDA-I
Filter
SCL-I
Filter
Communi-
cation
circuit
SDA-O
SCL-O
Buffer
Buffer
Register
ADRA2
ADRA1
ADRA0
ADRB2
ADRB1
ADRB0
RST
CAP
VDD
GND
Operational
control
Filter
Reset
Internal
oscillation
Clock
division
circuit
System clock
Gradation
control
A0
Gradation
control
B0
Gradation
control
C0
Gradation
control
A1
Gradation
control
B1
Gradation
control
C1
Gradation
control
A2
Gradation
control
B2
Gradation
control
C2
Output
circuit
OUTA0
OUTB0
OUTC0
OUTA1
OUTB1
OUTC1
OUTA2
OUTB2
OUTC2
2
LED Control IC W2RF004RM