Details

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BUY SN76477N https://www.utsource.net/itm/p/12540151.html

Parameter	Description	Symbol	Min	Typ	Max	Unit
Supply Voltage	Operating voltage range	Vcc	4.5	-	18	V
Output Frequency	Maximum output frequency	fmax	-	-	200	kHz
Current Consumption	Quiescent current	Iq	-	10	-	mA
Input Voltage	Logic high input voltage	VIH	2.0	-	Vcc	V
	Logic low input voltage	VIL	0	-	0.8	V
Output Voltage (High)	High-level output voltage	VOH	2.4	-	Vcc	V
Output Voltage (Low)	Low-level output voltage	VOL	0	-	0.4	V
Temperature Range	Operating temperature range	Toper	-40	-	85	°C

Instructions for SN76477N

1. Power Supply:

   • Connect the supply voltage (Vcc) to pin 14 and ground (GND) to pin 7.
   • Ensure the supply voltage is within the specified range of 4.5V to 18V.

2. Input Signals:

   • Apply logic signals to the appropriate input pins ensuring they meet the input voltage levels:
     • VIH (Logic High) should be at least 2.0V up to Vcc.
     • VIL (Logic Low) should be between 0V and 0.8V.

3. Output Configuration:

   • The output can drive TTL loads directly. Ensure that the load impedance is suitable for the current capabilities of the SN76477N.
   • Check the output voltage levels (VOH and VOL) to ensure they meet your circuit requirements.

4. Frequency Adjustment:

   • For applications requiring frequency adjustment, use external components like resistors and capacitors connected to the designated pins to set the desired frequency.

5. Temperature Considerations:

   • Operate the device within the temperature range of -40°C to +85°C to ensure reliable performance.

6. Handling Precautions:

   • Handle with care to avoid damage from electrostatic discharge (ESD).
   • Follow standard procedures for soldering and mounting to prevent thermal damage.

7. Testing and Troubleshooting:

   • Before finalizing the design, test the circuit under various conditions to ensure stability and performance.
   • Use a multimeter or oscilloscope to verify voltages and signal integrity.

For detailed specifications and advanced configurations, refer to the official datasheet provided by the manufacturer.

(For reference only)