Description
BUY SN74LS273NS https://www.utsource.net/itm/p/478382.html
OCTAL, HEX, AND QUAD D-TYPE FLIP-FLOPS WITH ENABLE
| Parameter |
Conditions |
Min |
Typ |
Max |
Unit |
| Supply Voltage (VCC) |
|
4.75 |
5 |
5.25 |
V |
| Output High Level (VOH) |
IOH = -0.4mA |
|
2.4 |
|
V |
| Output Low Level (VOL) |
IOL = 16mA |
|
0.4 |
|
V |
| Input Leakage Current |
VI = 0 to VCC |
-1 |
|
1 |
渭A |
| Propagation Delay Time |
tPLH, tPHL @ VCC = 5V, TA = 25掳C |
|
24 |
|
ns |
| Power Dissipation |
Per Package |
|
|
500 |
mW |
Instructions for SN74LS273NS:
Power Supply Requirements:
- Ensure the supply voltage (VCC) is within the specified range of 4.75V to 5.25V to prevent damage and ensure reliable operation.
Input Handling:
- Be mindful of input leakage currents; inputs should not be left floating. Use pull-up or pull-down resistors as necessary.
Output Load:
- The output high level (VOH) can drive loads up to a sink current of 0.4mA while maintaining a minimum output voltage of 2.4V.
- For low-level outputs, the device can source up to 16mA with a maximum output voltage of 0.4V.
Timing Considerations:
- The propagation delay time (tPLH, tPHL) is typically 24ns at room temperature (25掳C). Timing diagrams should be consulted for critical timing applications.
Thermal Management:
- Monitor power dissipation; do not exceed 500mW per package to avoid overheating. Adequate heat sinking may be required in high-power applications.
Handling Precautions:
- This device is sensitive to electrostatic discharge (ESD); use proper ESD precautions during handling and installation.
Storage and Operation Temperature:
- Store and operate the device within recommended temperature ranges to ensure longevity and reliability. Refer to the datasheet for specific temperature limits.
(For reference only)
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