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BUY 74LS221DR https://www.utsource.net/itm/p/4103471.html
| Parameter |
Description |
Conditions |
Min |
Typ |
Max |
Unit |
| Supply Voltage (Vcc) |
Operating supply voltage |
|
4.75 |
5 |
5.25 |
V |
| Output Current (IOH) |
Output current at logic high |
Vcc = 5V |
- |
8 |
|
mA |
| Output Current (IOL) |
Output current at logic low |
Vcc = 5V |
- |
16 |
|
mA |
| Propagation Delay Time |
Time delay for signal propagation |
Vcc = 5V, TA = 25°C |
|
22 |
|
ns |
| Power Dissipation |
Maximum power dissipation |
|
- |
- |
630 |
mW |
| Operating Temperature |
Temperature range for operation |
|
-40 |
|
85 |
°C |
| Storage Temperature |
Temperature range for storage |
|
-65 |
|
150 |
°C |
Instructions for Use:
- Power Supply: Ensure the supply voltage is within the specified range of 4.75V to 5.25V to prevent damage to the device.
- Output Current Handling: The device can source up to 8mA and sink up to 16mA per output pin. Design your circuit ensuring these limits are not exceeded.
- Propagation Delay: Consider the propagation delay time in timing-sensitive applications. At room temperature and standard supply voltage, expect a delay of approximately 22ns.
- Thermal Management: Keep the operating temperature within -40°C to 85°C. For storage, ensure temperatures do not exceed -65°C to 150°C.
- Power Dissipation: Monitor the power dissipation to stay below 630mW to avoid overheating and potential failure.
- Handling Precautions: Handle with care to avoid electrostatic discharge (ESD) which can damage sensitive components.
Note: Always refer to the specific datasheet provided by the manufacturer for the most accurate and detailed information.
(For reference only)
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