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产品信息
Feature
l Operating voltage: 1.5V to 4.5v
l Built-in RC oscillator
l One shot trig gable control and low power consumption
l Direct drive LED, 1/2 period is effective.
General Description
Special designed for 6 LED output driver IC. This chip is in use without external resistor, but can be used the external resistor for variable oscillator frequency. It is variable flash mode i.e., sequential or random mode and on/off mode by CDs control.
Pin description:
|
Pin No |
Symbol |
description |
|
1 |
OSCI |
Oscillator in |
|
2 |
OSCO |
Oscillator out |
|
3 |
OFFB |
For CDS use |
|
4 |
OS |
One shot 16/4 times in a period |
|
5 |
TIMER |
Active high one shot period |
|
6 |
VDD |
Positive power supply |
|
7 |
RD/SQ |
Random/sequential option , VSS is sequential ,VDD is random |
|
8 |
ON/OFF |
ON/OFF switch |
|
9 |
TEST |
Test pin |
|
10 |
VSS |
Negative power supply |
|
11 |
L6 |
LED output in |
|
12 |
L5 |
LED output in |
|
13 |
L4 |
LED output in |
|
14 |
L3 |
LED output in |
|
15 |
L2 |
LED output in |
|
16 |
L1 |
LED output in |
Product code:
|
TYPE |
FREQUENCY(built-in) |
|
SC188-66E |
1.0Hz One shot 16圈 |
|
SC188 |
1.5Hz One shot 16圈 |
|
SC188 |
2.4Hz One shot 16圈 |
|
SC188-66H |
1.0Hz One shot 4圈 |
|
SC188-66I |
2.0Hz One shot 4圈 |
|
SC188-66J |
4.0Hz One shot 16圈 |
|
SC188-66K |
6.0Hz One shot 16圈 |
|
SC188-66KB |
6.5Hz One shot 16圈 |