tb62777fng Marktech Optoelectronics, tb62777fng Datasheet - Page 3

• Manufacturer Part Number: tb62777fng
• Description: 8-channel Constant-current Led Driver Of The 3.3-v And 5-v Power Supply Voltage Operation
• Manufacturer: Marktech Optoelectronics

Timing Diagram
Note 1: Latches are level-sensitive, not edge-triggered.
Note 2: The TB62777FNG can be used at 3.3 V or 5.0 V. However, the V
Note 3: Serial data is shifted out of SERIAL-OUT on the falling edge of CLOCK.
Note 4: The latches hold data while the LATCH terminal is held Low. When the LATCH terminal is High, the
SERIAL-OUT
SERIAL-IN
ENABLE
LATCH
CLOCK
OUT0
OUT1
OUT7
OUT
voltage.
latches do not hold data and pass it transparently. When the ENABLE terminal is Low, OUT0 to OUT7
toggle between ON and OFF according to the data. When the ENABLE terminal is High, OUT0 to
OUT7 are forced OFF.
2
n = 0
1
2
3
TENTATIVE
4
3
5
6
DD
7
supply voltage must be equal to the input
Data applied when n = 0
(Ver.0.2) 2008-1-23
TB62777FNG
H
L
H
L
H
L
H
L
ON
OFF
ON
OFF
ON
OFF
ON
OFF
H
L