Details

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BUY 74HC138AG https://www.utsource.net/itm/p/12553582.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	VCC	Operating	2.0		6.0	V
Input Low Voltage	VIL		0		1.5	V
Input High Voltage	VIH		3.5		VCC	V
Output Low Voltage	VOL	IO = 4mA	0		0.1	V
Output High Voltage	VOH	IO = -4mA			VCC-0.1	V
Propagation Delay Time	tpd	VCC = 4.5V to 5.5V		14		ns
Power Dissipation	PD	Maximum			100	mW
Operating Temperature	TA	Commercial	0		70	°C
Storage Temperature	TSTG		-65		150	°C

Instructions for 74HC138AG:

1. Power Supply Connection:

   • Connect the VCC pin to a power supply within the operating voltage range (2.0V to 6.0V).
   • Ensure GND is properly grounded.

2. Input Signals:

   • Apply input signals ensuring they meet the VIL and VIH specifications.
   • Avoid applying voltages outside the specified range to prevent damage.

3. Output Handling:

   • The device can drive TTL and CMOS logic levels.
   • Ensure output loads do not exceed the current ratings to avoid damaging the outputs.

4. Propagation Delay:

   • Account for propagation delay in timing-sensitive applications, especially at higher frequencies.

5. Temperature Considerations:

   • Operate within the specified temperature range to ensure reliable performance.
   • Store the device in environments within the storage temperature range to avoid degradation.

6. Handling Precautions:

   • Handle with care to avoid ESD damage.
   • Follow manufacturer guidelines for mounting and soldering.

7. Decoding Logic:

   • The 74HC138AG is a 3-to-8 line decoder/demultiplexer.
   • Use enable pins to control active decoding as per application requirements.

(For reference only)