Details

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BUY SI8440 https://www.utsource.net/itm/p/12606857.html

Parameter	Symbol	Min	Typical	Max	Unit	Description
Supply Voltage	VDD	3.0	-	5.5	V	Operating supply voltage range
Quiescent Current	IQ	-	1.0	-	μA	Quiescent current when not switching
Output Current (Sink)	ISNK	-	250	-	mA	Maximum continuous output current
Output Current (Source)	ISRC	-	250	-	mA	Maximum continuous output current
Output Voltage Drop (Sink)	VDSS	-	0.4	-	V	Voltage drop across the switch when sinking current
Output Voltage Drop (Source)	VDSS	-	0.4	-	V	Voltage drop across the switch when sourcing current
Input Threshold (High)	VIH	2.0	-	5.5	V	Minimum input voltage to register a logic high
Input Threshold (Low)	VIL	0.0	-	0.8	V	Maximum input voltage to register a logic low
Propagation Delay	tPD	-	25	-	ns	Time delay from input edge to output edge
Rise Time	tr	-	20	-	ns	Time for output to rise from 10% to 90% of final value
Fall Time	tf	-	20	-	ns	Time for output to fall from 90% to 10% of final value
Operating Temperature	Toper	-40	-	125	°C	Range of ambient temperatures over which the device is guaranteed to operate
Storage Temperature	Tstg	-65	-	150	°C	Range of temperatures over which the device can be stored

Instructions for Use

1. Power Supply:

   • Ensure the supply voltage (VDD) is within the specified range of 3.0V to 5.5V.
   • Connect the VDD pin to a stable power source.

2. Input Signals:

   • Apply input signals (IN) that meet the input threshold requirements:
     • Logic High: VIH ≥ 2.0V
     • Logic Low: VIL ≤ 0.8V

3. Output Configuration:

   • The SI8440 can sink or source up to 250mA of current.
   • Ensure the load connected to the output (OUT) does not exceed this current limit.
   • Consider the voltage drop across the switch (VDSS) when designing your circuit.

4. Timing Considerations:

   • Account for the propagation delay (tPD) of 25ns when designing timing-sensitive applications.
   • The rise time (tr) and fall time (tf) are both 20ns, which should be considered in high-speed applications.

5. Thermal Management:

   • Operate the device within the specified operating temperature range (-40°C to 125°C).
   • Ensure proper heat dissipation if the device will be operating at high currents or in high-temperature environments.

6. Storage:

   • Store the device in a dry environment within the storage temperature range (-65°C to 150°C).

7. Handling:

   • Handle the device with care to avoid damage from electrostatic discharge (ESD).
   • Follow standard ESD precautions when handling and soldering the device.

By following these parameters and instructions, you can ensure reliable operation of the SI8440 in your application.

(For reference only)