Specifications
SKU: 575940
Quadruple Differential Line DriversRS-422A
Parameter | Description | Value |
---|---|---|
Device Type | 8-Bit Non-Inverting Bus Line Driver with 3-State Outputs | - |
Package | DIP (Dual Inline Package) | 20-Pin |
Supply Voltage (Vcc) | Operating Supply Voltage Range | 4.5 V to 5.5 V |
Output Drive Current | Maximum Output Current per Pin | ±25 mA |
Input Voltage (VIH) | High-Level Input Voltage | 2.0 V to 5.5 V |
Input Voltage (VIL) | Low-Level Input Voltage | 0 V to 0.8 V |
Output Voltage (VOH) | High-Level Output Voltage | Min: 2.4 V (at 4.5 V Vcc) |
Output Voltage (VOL) | Low-Level Output Voltage | Max: 0.6 V (at 4.5 V Vcc) |
Propagation Delay | Typical Propagation Delay Time (tPLH, tPHL) | 15 ns (at 5 V Vcc) |
Power Dissipation | Maximum Power Dissipation | 500 mW |
Operating Temperature | Industrial Temperature Range | -40°C to +85°C |
Storage Temperature | Storage Temperature Range | -65°C to +150°C |
Instructions for Use
Power Supply Connection:
- Connect Vcc to the positive supply voltage (4.5 V to 5.5 V).
- Connect GND to the ground.
Input and Output Connections:
- Connect the input pins (A1 to A8) to the signal source.
- Connect the output pins (Y1 to Y8) to the load or next stage of the circuit.
- The enable pin (OE) controls the output state:
- When OE is high, the outputs are in high-impedance state.
- When OE is low, the outputs are active.
Decoupling Capacitors:
- Place a 0.1 μF ceramic decoupling capacitor as close as possible to the Vcc and GND pins to reduce noise and ensure stable operation.
Signal Integrity:
- Ensure that the signal lines are properly terminated to avoid reflections and ringing, especially at higher frequencies.
Thermal Considerations:
- If operating near the maximum power dissipation, ensure adequate heat sinking or cooling to maintain the device within its safe operating temperature range.
Handling Precautions:
- Handle the device with care to avoid damage from static electricity. Use ESD (Electrostatic Discharge) protection measures.
- Avoid exceeding the maximum ratings specified in the datasheet to prevent damage to the device.
Testing and Debugging:
- Verify the correct operation of the device by testing the input and output signals with an oscilloscope or logic analyzer.
- Check the power supply and ground connections for proper voltage levels and stability.
Inquiry - AM26LS31DMB