Details

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BUY 7438PC https://www.utsource.net/itm/p/12609178.html

Parameter	Symbol	Min	Typical	Max	Unit	Conditions
Supply Voltage	Vcc	4.75	5	5.25	V
Output High Voltage	VOH	2.4	3.5	4.9	V	IOL = -0.4mA, VCC = 5V
Output Low Voltage	VOL	0	0.4	0.5	V	IOH = 8mA, VCC = 5V
Input High Voltage	VIH	2	3.5	5	V
Input Low Voltage	VIL	0	1.5	2	V
Propagation Delay	tpd	-	18	42	ns	VCC = 5V, TA = 25掳C
Power Dissipation	PD	-	150	-	mW	VCC = 5V, TA = 25掳C
Operating Temperature	Topr	-40	-	85	掳C
Storage Temperature	Tstg	-65	-	150	掳C

Instructions for Use:

1. Power Supply:

   • Ensure the supply voltage (Vcc) is within the specified range of 4.75V to 5.25V.
   • Connect the Vcc pin to the positive supply and GND pin to the ground.

2. Input Signals:

   • Input signals should be within the valid input voltage range (VIL to VIH).
   • Avoid applying voltages outside the specified range to prevent damage.

3. Output Signals:

   • The output high voltage (VOH) and output low voltage (VOL) should be within the specified limits under the given load conditions.
   • Ensure that the output current does not exceed the maximum ratings to avoid overheating or damage.

4. Propagation Delay:

   • The propagation delay (tpd) is the time it takes for the output to change state after the input changes. This value can vary with temperature and supply voltage.

5. Temperature Considerations:

   • Operate the device within the specified operating temperature range (-40掳C to 85掳C) to ensure reliable performance.
   • Store the device within the storage temperature range (-65掳C to 150掳C).

6. Handling and Storage:

   • Handle the device with care to avoid static discharge, which can damage sensitive components.
   • Store the device in a dry, cool place to prevent moisture damage.

7. Mounting and PCB Design:

   • Follow standard PCB design guidelines to ensure proper thermal management and signal integrity.
   • Use appropriate decoupling capacitors near the power supply pins to reduce noise and improve stability.

8. Testing:

   • Test the device under typical operating conditions to verify its functionality.
   • Use a multimeter or oscilloscope to measure voltage levels and timing parameters.

By following these instructions, you can ensure the reliable operation and longevity of the 7438PC IC.

(For reference only)