HD74LS670P: Top Choice in United States (USA) Utsource Holding Company Limited

Description

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	V_CC	Operating	4.75	5.0	5.25	V
Input Voltage (High)	V_IH	Min	-	2.0	-	V
Input Voltage (Low)	V_IL	Max	-	0.8	-	V
Output Voltage (High)	V_OH	I_OL = 0.4 mA	-	2.4	-	V
Output Voltage (Low)	V_OL	I_OH = -0.4 mA	-	0.4	-	V
Input Current (High)	I_IH	V_I = 2.0 V	-	40	-	μA
Input Current (Low)	I_IL	V_I = 0.0 V	-	-1.0	-	mA
Output Current (Source)	I_OH	V_O = 2.4 V	-	-0.4	-	mA
Output Current (Sink)	I_OL	V_O = 0.4 V	-	8.0	-	mA
Propagation Delay Time	t_pd	V_CC = 5 V, T_A = 25°C	15	22	34	ns
Power Consumption	P_D	V_CC = 5 V, f = 1 MHz	-	120	-	mW

Power Supply:
- Ensure the supply voltage (V_CC) is within the operating range of 4.75 V to 5.25 V.
- Connect the ground (GND) pin to a stable 0 V reference.
Input Signals:
- Apply input signals that meet the high (V_IH) and low (V_IL) voltage levels specified.
- Ensure the input current (I_IH and I_IL) does not exceed the maximum ratings.
Output Signals:
- The output voltage (V_OH and V_OL) should be within the specified ranges under the given load conditions.
- Ensure the output current (I_OH and I_OL) does not exceed the maximum ratings.
Propagation Delay:
- The propagation delay time (t_pd) is crucial for timing considerations in digital circuits. Ensure it meets the system requirements.
Power Consumption:
- Monitor the power consumption (P_D) to avoid overheating and ensure the device operates within safe limits.
Handling:
- Handle the IC with care to avoid static damage. Use proper ESD protection measures.
- Store and transport the IC in anti-static packaging.
Testing:
- Before integrating the IC into a circuit, test it with known good signals to verify functionality.
- Use a multimeter or oscilloscope to measure voltages and currents to ensure they are within the specified parameters.
Layout Considerations:
- Place decoupling capacitors close to the V_CC and GND pins to minimize noise and improve stability.
- Keep signal traces as short as possible to reduce parasitic capacitance and inductance.

By following these guidelines, you can ensure reliable operation of the HD74LS670P in your digital circuits.

(For reference only)