Details

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BUY DM74LS151N https://www.utsource.net/itm/p/916040.html
1-of-8 Line Data Selector/Multiplexer

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	VCC	-	4.75	5.0	5.25	V
Input Low Voltage	VIL	-	0.8	-	-	V
Input High Voltage	VIH	-	-	-	2.0	V
Output Low Voltage	VOL	IOL = 16 mA	-	-	0.4	V
Output High Voltage	VOH	IOH = -0.4 mA	2.7	-	-	V
Input Current (Low)	IIL	VIL = 0.8V	-	-	0.4	mA
Input Current (High)	IIH	VIH = 2.0V	-	40	-	μA
Output Current (Low)	IOL	VOL = 0.4V	16	-	-	mA
Output Current (High)	IOH	VOH = 2.7V	-	-	-0.4	mA
Propagation Delay Time	tpd	VCC = 5V, TA = 25°C	12	-	-	ns
Power Dissipation	PD	-	-	-	100	mW

Instructions for Using DM74LS151N

1. Power Supply:

   • Connect the V_CC pin to a 5V power supply.
   • Ground the GND pin.

2. Input Signals:

   • Apply logic low (0V) or high (5V) signals to the input pins (A0, A1, A2, S0, S1, S2).
   • Ensure that the input voltages are within the specified range to avoid damage to the device.

3. Output Signal:

   • The output Y will be selected based on the values of the select inputs (S0, S1, S2).
   • The output can drive up to 16 mA when low and sink up to 0.4 mA when high.

4. Enable Pin:

   • The enable pin (E) must be set to low (0V) to activate the multiplexer.
   • If E is high (5V), the output Y will be high impedance.

5. Propagation Delay:

   • The propagation delay time (t_pd) is the time it takes for the output to change after the input changes.
   • Ensure that your system timing accounts for this delay.

6. Power Dissipation:

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

7. Storage and Handling:

   • Store the device in a dry, static-free environment.
   • Handle with care to avoid damaging the pins or the chip itself.

8. Testing:

   • Before integrating the DM74LS151N into your circuit, test it using a simple setup to ensure it functions correctly.

9. Layout Considerations:

   • Place decoupling capacitors close to the V_CC and GND pins to reduce noise and improve stability.
   • Use short and direct traces for high-speed signals to minimize signal degradation.

By following these instructions, you can ensure reliable operation of the DM74LS151N in your circuits.

(For reference only)