Details

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BUY SN74HC138D https://www.utsource.net/itm/p/1114023.html
Single 2 Input NAND Gate, Schmitt; Package: TSOP-5 / SOT23-5; No of Pins: 5; Container: Tape and Reel; Qty per Container: 3000

Parameter	Symbol	Min	Typical	Max	Unit
Supply Voltage	VCC	2.0	-	6.0	V
Input Low Voltage	VIL	0.0	-	0.8	V
Input High Voltage	VIH	2.0	-	VCC	V
Output Low Voltage (Sink)	VOL	0.0	-	0.1	V
Output High Voltage (Source)	VOH	2.4	-	VCC	V
Input Leakage Current	II	-1	-	1	μA
Output Leakage Current	IOZ	-0.5	-	0.5	μA
Output Sink Current	IOS	-	-	25	mA
Output Source Current	IOH	-	-	25	mA
Propagation Delay Time	tpd	0	7	22	ns
Power Dissipation	PD	-	-	100	mW
Operating Temperature Range	Topr	-40	-	85	°C
Storage Temperature Range	Tstg	-65	-	150	°C

Instructions for Using SN74HC138D:

1. Power Supply:

   • Connect the VCC pin to the positive supply voltage (2.0V to 6.0V).
   • Connect the GND pin to the ground.

2. Input Signals:

   • Apply logic low (0V to 0.8V) or high (2.0V to VCC) signals to the input pins (A0, A1, A2, G1, G2A, G2B).

3. Output Signals:

   • The device has eight active-low outputs (Y0 to Y7). Only one output will be active at a time based on the input address.
   • Ensure that the output load does not exceed the maximum sink or source current ratings (25mA).

4. Enable Inputs:

   • G1, G2A, and G2B are enable inputs. The device is enabled when G1 is high and both G2A and G2B are low. All outputs are high-impedance when the device is disabled.

5. Addressing:

   • The address inputs (A0, A1, A2) determine which output is active. For example, if A0 = 0, A1 = 0, and A2 = 0, then Y0 will be active low.

6. Propagation Delay:

   • The propagation delay time (tpd) is the time it takes for the output to change after an input change. It typically ranges from 7ns to 22ns.

7. Temperature Considerations:

   • Operate the device within the specified temperature range (-40°C to 85°C) to ensure reliable performance.

8. Storage:

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

9. Handling:

   • Handle the device with care to avoid static damage. Use proper ESD protection measures.

10. Mounting:

    • Ensure proper soldering and mounting techniques to avoid thermal and mechanical stress on the device.

By following these parameters and instructions, you can effectively use the SN74HC138D in your digital circuits.

(For reference only)