Details

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BUY 74HC157N https://www.utsource.net/itm/p/12597160.html

Parameter	Symbol	Min	Typical	Max	Unit
Supply Voltage	VCC	2.0	-	6.0	V
Input Low Voltage	VIL	-	0.8	-	V
Input High Voltage	VIH	-	2.0	-	V
Output Low Voltage	VOL	-	0.1	0.4	V
Output High Voltage	VOH	2.4	-	-	V
Propagation Delay Time	tpd	-	7	18	ns
Power Dissipation	PD	-	-	100	mW
Operating Temperature Range	TA	-40	-	85	掳C
Storage Temperature Range	TSTG	-65	-	150	掳C

Instructions for Using 74HC157N:

1. Power Supply:

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

2. Input Signals:

   • Ensure input signals (A0, A1, B0, B1) are within the specified voltage range (V_IL to V_IH).

3. Select Control:

   • Use the S (select) pin to choose between the two sets of inputs (A or B).
     • S = 0: Selects inputs A0 and A1.
     • S = 1: Selects inputs B0 and B1.

4. Output Signals:

   • The output signals (Y0, Y1) will follow the selected input based on the state of the S pin.
   • Ensure the load connected to the outputs can handle the output voltages (V_OL and V_OH).

5. Propagation Delay:

   • Consider the propagation delay time (t_pd) when designing your circuit to ensure proper timing.

6. Temperature Considerations:

   • Operate the device within the specified temperature range (T_A) to avoid damage.
   • Store the device within the storage temperature range (T_STG) to maintain its integrity.

7. Power Dissipation:

   • Ensure the power dissipation (P_D) does not exceed the maximum rating to prevent overheating.

8. Handling:

   • Handle the device with care to avoid static discharge, which can damage the internal components.
   • Follow ESD (Electrostatic Discharge) precautions during handling and installation.

(For reference only)