Details

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Quad AND-OR Select Gate

Below is the parameter table and instructions for the CD4019 Dual 4-Input NAND Gate with Open-Collector Outputs.

CD4019 Parameter Table

Parameter	Symbol	Min	Typical	Max	Unit
Supply Voltage	VDD	3	-	18	V
Input High Voltage	VIH	2	-	VDD	V
Input Low Voltage	VIL	0	-	1.5	V
Output High Voltage (No Load)	VOH	-	VDD - 0.5	VDD - 0.5	V
Output Low Voltage	VOL	0	-	0.4	V
Input Current (High Level)	IIH	-	1	20	渭A
Input Current (Low Level)	IIL	-20	-1	-	渭A
Output Current (Low Level)	IOL	-	-	-50	mA
Propagation Delay Time	tpd	-	30	100	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 CD4019

1. Supply Voltage (V_DD):

   • Connect the positive supply voltage (V_DD) to pin 14.
   • Connect the ground (GND) to pin 7.
   • Ensure the supply voltage is within the range of 3V to 18V.

2. Input Connections:

   • Connect the inputs (pins 1, 2, 3, 4 for gate 1 and pins 9, 10, 11, 12 for gate 2) to your logic signals.
   • Ensure input voltages are within the specified range (0V to V_DD).

3. Output Connections:

   • The outputs (pins 5 for gate 1 and pin 6 for gate 2) are open-collector, so you need to connect a pull-up resistor to V_DD for each output.
   • The pull-up resistor value should be chosen based on the load current and desired output voltage level.

4. Propagation Delay:

   • The propagation delay time (t_pd) is the time it takes for the output to change state after the input changes. It typically ranges from 30ns to 100ns.

5. Power Dissipation:

   • Ensure that the total power dissipation does not exceed 100mW to avoid overheating.

6. Temperature Considerations:

   • The operating temperature range is -40掳C to 85掳C.
   • Store the device in a temperature range of -65掳C to 150掳C.

7. Handling Precautions:

   • Handle the device with care to avoid static damage.
   • Use proper anti-static precautions when handling and soldering the device.

8. Pin Configuration:

   • Pin 1: Input A1
   • Pin 2: Input B1
   • Pin 3: Input C1
   • Pin 4: Input D1
   • Pin 5: Output Y1
   • Pin 6: Output Y2
   • Pin 7: Ground (GND)
   • Pin 8: Not Used
   • Pin 9: Input A2
   • Pin 10: Input B2
   • Pin 11: Input C2
   • Pin 12: Input D2
   • Pin 13: Not Used
   • Pin 14: V_DD

By following these instructions and parameters, you can effectively use the CD4019 in your digital circuit designs.

(For reference only)