Details

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BUY 74HC273D https://www.utsource.net/itm/p/12426689.html

Parameter	Symbol	Min	Typ	Max	Unit	Description
Supply Voltage	VCC	2.0	-	6.0	V	Operating supply voltage range
Input Voltage (High)	VIH	3.15	-	VCC	V	Minimum input voltage to be recognized as high
Input Voltage (Low)	VIL	0	-	0.85	V	Maximum input voltage to be recognized as low
Output Voltage (High)	VOH	2.4	-	VCC - 0.1	V	Minimum output voltage when high
Output Voltage (Low)	VOL	0	-	0.1	V	Maximum output voltage when low
Input Current	IIN	-	1	20	渭A	Maximum current per input pin
Output Current (Source)	IOH	-	4	25	mA	Maximum current sourced by each output
Output Current (Sink)	IOL	-	8	25	mA	Maximum current sunk by each output
Propagation Delay Time	tpd	-	15	50	ns	Typical propagation delay time from input to output
Power Consumption	Ptot	-	10	100	mW	Total power consumption at VCC = 5V, TA = 25掳C
Operating Temperature	TA	-40	-	85	掳C	Ambient operating temperature range
Storage Temperature	TSTG	-65	-	150	掳C	Temperature range for storage

Instructions for Use:

1. Power Supply:

   • Ensure the supply voltage (V_CC) is within the specified range of 2.0V to 6.0V.
   • Connect the ground (GND) pin to a stable ground reference.

2. Input Signals:

   • Apply input signals that comply with the V_IH and V_IL specifications.
   • Avoid exceeding the maximum input current (I_IN).

3. Output Loads:

   • Ensure the load connected to the output pins does not exceed the maximum source (I_OH) or sink (I_OL) currents.
   • Consider using external pull-up or pull-down resistors if necessary to maintain proper logic levels.

4. Propagation Delay:

   • Account for the typical propagation delay time (t_pd) in your timing calculations to ensure reliable operation.

5. Temperature Considerations:

   • Operate the device within the specified ambient temperature range (T_A) to avoid thermal stress.
   • Store the device within the storage temperature range (T_STG) to prevent damage.

6. Handling:

   • Handle the device with care to avoid static discharge, which can damage sensitive components.
   • Follow standard ESD (Electrostatic Discharge) precautions during assembly and testing.

7. Testing:

   • Test the device under typical operating conditions to verify its functionality.
   • Use a multimeter to check for proper voltage levels and current draw.

By following these guidelines, you can ensure reliable and efficient operation of the 74HC273D.

(For reference only)