Details

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BUY LS285AB https://www.utsource.net/itm/p/9784923.html

Parameter	Description	Value
Device Type	Dual 4-Bit Binary Counters	LS285AB
Function	Dual 4-bit binary counters with parallel load
Supply Voltage	Operating supply voltage range	4.75V to 5.25V
Propagation Delay Time (tpd)	Time delay from input change to output change	13ns max at Vcc = 5V, TA = 25°C
Power Dissipation	Maximum power dissipation per package	100mW
Operating Temperature Range	Industrial temperature range	-40°C to +85°C
Storage Temperature Range	Storage temperature range	-65°C to +150°C
Input Current	Maximum input current per pin	±1mA
Output Current	Maximum output current per pin	±10mA

Instructions:

1. Power Supply: Ensure the supply voltage is within the specified range of 4.75V to 5.25V.
2. Handling Precautions: Handle the LS285AB with care to avoid damage from electrostatic discharge (ESD).
3. Temperature Considerations: Operate the device within the industrial temperature range (-40°C to +85°C) and store it between -65°C and +150°C.
4. Loading Data: To load data into the counter, ensure that the parallel load inputs are set correctly before applying a clock signal.
5. Clock Signal: Apply a clean and stable clock signal to achieve accurate counting.
6. Decoupling Capacitors: Use decoupling capacitors close to the power pins to minimize noise and transient voltages.
7. Signal Integrity: Keep signal traces as short as possible to reduce interference and improve performance.
8. Grounding: Ensure proper grounding to prevent noise and potential errors in operation.

(For reference only)