Details

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BUY HD7447AP https://www.utsource.net/itm/p/12608517.html

Parameter	Symbol	Min	Typ	Max	Unit	Description
Supply Voltage	Vcc	4.5	5.0	5.5	V	Operating supply voltage
Output High Level Voltage	VOH	-	4.2	Vcc-0.5	V	Output high level voltage at IOH = -0.4 mA
Output Low Level Voltage	VOL	0	0.4	-	V	Output low level voltage at IOL = 8.0 mA
Input Low Level Voltage	VIL	-	1.5	-	V	Input low level voltage
Input High Level Voltage	VIH	-	3.5	-	V	Input high level voltage
Input Leakage Current	II	-1.0	-	1.0	μA	Input leakage current
Output Leakage Current	IO	-1.0	-	1.0	μA	Output leakage current
Propagation Delay Time	tpd	30	50	80	ns	Propagation delay time (Vcc = 5V, CL = 15 pF)
Power Dissipation	PD	-	-	100	mW	Maximum power dissipation
Operating Temperature Range	Topr	-40	-	85	°C	Operating temperature range
Storage Temperature Range	Tstg	-65	-	150	°C	Storage temperature range

Instructions for Using HD7447AP

1. Power Supply:

   • Ensure the supply voltage (Vcc) is within the specified range of 4.5V to 5.5V.
   • Use a stable power source to avoid voltage fluctuations that could affect performance.

2. Input Signals:

   • Apply input signals with voltages within the valid range: VIL ≤ 1.5V for low level and VIH ≥ 3.5V for high level.
   • Ensure input signals have sufficient drive strength to meet the input current requirements.

3. Output Signals:

   • When the output is high (VOH), it should be at least 4.2V or up to Vcc - 0.5V.
   • When the output is low (VOL), it should be no more than 0.4V.
   • Ensure the load connected to the output can handle the maximum output current (IOL = 8.0 mA).

4. Propagation Delay:

   • The propagation delay time (tpd) is the time it takes for the output to change state after the input changes. It is typically between 30 and 80 nanoseconds under standard conditions (Vcc = 5V, CL = 15 pF).

5. Temperature Considerations:

   • Operate the device within the specified temperature range (-40°C to 85°C) to ensure reliable performance.
   • Store the device in a temperature range of -65°C to 150°C to prevent damage.

6. Power Dissipation:

   • Do not exceed the maximum power dissipation of 100 mW to avoid overheating and potential damage to the device.

7. Handling and Storage:

   • Handle the device with care to avoid static discharge and physical damage.
   • Store the device in a dry, cool place to prevent moisture and other environmental factors from affecting its performance.

(For reference only)