Details

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BUY CD4042 https://www.utsource.net/itm/p/23411.html
CMOS QUAD CLOCKED D LATCH

Parameter	Symbol	Min	Typ	Max	Unit
Supply Voltage	VCC	3	-	15	V
Input Voltage (High)	VIH	-	70% VCC	-	V
Input Voltage (Low)	VIL	-	30% VCC	-	V
Output Voltage (High)	VOH	-	90% VCC	-	V
Output Voltage (Low)	VOL	-	10% VCC	-	V
Input Current (High)	IIH	-	1	20	渭A
Input Current (Low)	IIL	-1	-10	-	渭A
Output Current (Source)	IOH	-	400	800	渭A
Output Current (Sink)	IOL	-800	-400	-	渭A
Propagation Delay Time	tpd	-	25	65	ns
Power Dissipation	PD	-	-	500	mW
Operating Temperature Range	TA	-40	-	85	掳C

Instructions for Using the CD4042

1. Power Supply:

   • Connect the supply voltage (V_CC) to the appropriate pin, typically Pin 14.
   • Ground (GND) should be connected to Pin 7.

2. Input Signals:

   • Ensure input signals are within the specified voltage levels (V_IL and V_IH).
   • Avoid exceeding the maximum input current (I_IH and I_IL).

3. Output Signals:

   • Ensure the output load does not exceed the maximum output current (I_OH and I_OL).
   • Check the output voltage levels (V_OH and V_OL) to ensure proper operation.

4. Propagation Delay:

   • Consider the propagation delay time (t_pd) when designing circuits to avoid timing issues.

5. Thermal Management:

   • Ensure the device operates within the specified temperature range (T_A).
   • If necessary, provide adequate cooling to manage power dissipation (P_D).

6. Storage and Handling:

   • Store the device in a dry, cool place to prevent damage.
   • Handle with care to avoid static discharge, which can damage the device.

7. Testing:

   • Use a multimeter to verify the supply voltage and ground connections.
   • Test the input and output signals to ensure they meet the specified parameters.

8. Application Notes:

   • Refer to the datasheet for detailed application notes and circuit diagrams.
   • Consider using decoupling capacitors near the power supply pins to reduce noise and improve stability.

(For reference only)