HSDL-3209 查看數據表（PDF） - LiteOn Technology
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HSDL-3209 Datasheet PDF : 16 Pages
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Order Information
Part Number
HSDL-3209-021
Packaging Type
Tape and Reel
Package
Front View
Quantity
2500
I/O Pins Configuration Table
Pin Symbol Description
1 LED A
LED Anode
I/O Type
Input
2 RXD
3 TXD
4 SD
5 IOVcc
6 Vcc
7 GND
Receive Data Output,
Active Low
Transmit Data
Shutdown
Input/Output
ASIC Vcc
Supply
Voltage
Ground
Input,
Active High
Input,
Active High
Input/Output
Active High
Supply
Voltage
Ground
Function
Tied through external resistor, R1, to VLED from 2.4V to
4.5V. Please refer to Table 1 for VLED versus Series Resistor,
R1.
This pin is capable of driving a standard CMOS or TTL load.
No external pull-up or pull down resistor is required. It is in
tri-state mode when the transceiver is in shutdown mode.
This pin is used to transmit serial data when SD pin is low.
If held high longer than ~ 50ms, the LED will be turned off.
The transceiver is in shutdown mode if this pin is high
Connect to ASIC logic controller Vcc Voltage as low as 1.5V.
Regulated, 2.4 to 3.6 Volts.
Connect to system ground.
Recommended Application Circuit Components
Component
Recommended Value
R1
15W±5%, 0.0625 Watt for 2.4 ≤ Vled ≤ 2.7V
27W±5%, 0.0625 Watt for 2.7 < Vled ≤ 3.6V
36W±5%, 0.0625 Watt for 3.6 < Vled ≤ 4.5V
CX1, CX4
0.47 µF ± 20%, X7R Ceramic
CX2, CX3
6.8 µF ± 20%, X7R Ceramic or Tantalum
Notes:
1. CX1, CX2, CX3 and CX4 must be placed within 0.7 cm of the HSDL-3209 to obtain optimum noise immunity.
Note
1
1
CAUTIONS: The CMOS inherent to the design of this component increases the component’s susceptibility to damage
from the electrostatic discharge (ESD). It is advised that normal static precautions be taken in handling and assembly
of this component to prevent damage and/or degradation which may be induced by ESD
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