Details

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Parameter	Description
Part Number	CD4502BF3A 7702002EA
Type	Dual 4-Input OR Gate with Open Collector Outputs
Technology	CMOS
Package Type	SOIC (Small Outline Integrated Circuit)
Number of Pins	14
Supply Voltage (VDD)	3V to 18V
Operating Temperature	-40°C to +85°C
Propagation Delay	20ns at VDD = 10V, TA = 25°C
Power Dissipation	100mW
Input Current (IIH)	±1μA
Output Current (IOH)	-10mA
Mounting Type	Surface Mount

Instructions for Use:

1. Power Supply: Ensure the supply voltage is within the specified range of 3V to 18V.
2. Handling: Handle with care to avoid static damage; use proper ESD protection.
3. Installation: Solder carefully, ensuring correct orientation and alignment on the PCB.
4. Temperature Consideration: Operate within the temperature range of -40°C to +85°C for optimal performance.
5. Signal Integrity: Keep signal paths short and consider using pull-up resistors for open collector outputs.
6. Storage: Store in a dry environment away from direct sunlight and extreme temperatures.

Pin Configuration:

Pin Number	Pin Name	Description
1	A1	Input 1 of OR Gate 1
2	B1	Input 2 of OR Gate 1
3	C1	Input 3 of OR Gate 1
4	D1	Input 4 of OR Gate 1
5	Y1	Output of OR Gate 1
6	GND	Ground
7	VDD	Power Supply
8	Y2	Output of OR Gate 2
9	D2	Input 4 of OR Gate 2
10	C2	Input 3 of OR Gate 2
11	B2	Input 2 of OR Gate 2
12	A2	Input 1 of OR Gate 2
13	NC	No Connect
14	NC	No Connect

Note: Always refer to the official datasheet provided by the manufacturer for detailed specifications and application notes.

(For reference only)