Details

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BUY MC74HC74N https://www.utsource.net/itm/p/12611264.html

Parameter	Symbol	Conditions	Min	Typ	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	VOL	IOL = 4 mA	-	-	0.1	V
Output High Voltage	VOH	IOH = -0.4 mA	-	-	VCC - 0.1	V
Propagation Delay Time (Positive Edge)	tpd(+)	VCC = 4.5 V, f = 1 MHz	7	-	13	ns
Propagation Delay Time (Negative Edge)	tpd(-)	VCC = 4.5 V, f = 1 MHz	7	-	13	ns
Setup Time	tsu	VCC = 4.5 V, f = 1 MHz	10	-	20	ns
Hold Time	th	VCC = 4.5 V, f = 1 MHz	0	-	5	ns
Minimum Pulse Width (Clock)	tpw(CLK)	VCC = 4.5 V, f = 1 MHz	20	-	50	ns
Storage Temperature Range	Tstg	-	-40	-	125	掳C
Operating Temperature Range	TA	-	0	-	70	掳C

Instructions for Using the MC74HC74N

1. Power Supply:

   • Ensure the supply voltage (V_CC) is within the range of 2.0 V to 6.0 V.
   • Connect the ground (GND) pin to the circuit ground.

2. Input Signals:

   • The input low voltage (V_IL) should be between 0.0 V and 0.8 V.
   • The input high voltage (V_IH) should be between 2.0 V and V_CC.

3. Output Signals:

   • The output low voltage (V_OL) will be less than or equal to 0.1 V when the output current (I_OL) is 4 mA.
   • The output high voltage (V_OH) will be greater than or equal to V_CC - 0.1 V when the output current (I_OH) is -0.4 mA.

4. Timing Parameters:

   • Ensure that the setup time (t_su) and hold time (t_h) are met for reliable operation.
   • The minimum pulse width (t_pw(CLK)) for the clock signal should be at least 20 ns.

5. Temperature Considerations:

   • Store the device within the temperature range of -40掳C to 125掳C.
   • Operate the device within the temperature range of 0掳C to 70掳C for optimal performance.

6. Handling and Storage:

   • Handle the device with care to avoid static damage.
   • Store the device in a dry and cool place to prevent moisture damage.

7. Pin Configuration:

   • Refer to the datasheet for the specific pin configuration and function of each pin.

8. Testing and Troubleshooting:

   • Use a multimeter to verify the supply voltage and ground connections.
   • Check the input and output signals using an oscilloscope to ensure they meet the specified levels and timing requirements.

(For reference only)