Details

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BUY 14072B https://www.utsource.net/itm/p/12608783.html

Below is the parameter table and instructions for the 14072B dual 4-input positive OR gate with open-collector outputs.

Parameter Table

Parameter	Symbol	Min	Typ	Max	Unit	Conditions
Supply Voltage	VCC	4.5	5	5.5	V	-
Output Low Voltage	VOL	0.4	-	0.6	V	IOL = 8 mA
Output High Voltage (Open)	VOH	-	-	VCC - 0.4	V	IOH = -0.4 mA
Input Low Voltage	VIL	0.8	-	2.0	V	-
Input High Voltage	VIH	3.0	-	5.0	V	-
Input Leakage Current	IIL	-1	-	1	渭A	VIL = 0.8 V
Output Sink Current	IOL	8	-	16	mA	VOL = 0.4 V
Propagation Delay Time	tpd	12	18	24	ns	VCC = 5 V, TA = 25掳C
Power Dissipation per Gate	Ptot	-	-	100	mW	-
Operating Temperature Range	TA	-40	-	85	掳C	-

Instructions

1. Supply Voltage:

   • The 14072B operates with a supply voltage range of 4.5 V to 5.5 V. Ensure that the power supply is stable and within this range to avoid damage to the device.

2. Output Configuration:

   • The outputs are open-collector, which means they can only sink current. To achieve a high output level, an external pull-up resistor is required. Connect the pull-up resistor between the output and the supply voltage (V_CC).

3. Input Levels:

   • Inputs are recognized as low when the voltage is below 0.8 V and as high when the voltage is above 3.0 V. Ensure that input signals are within these levels to avoid undefined behavior.

4. Output Current:

   • The maximum output sink current is 16 mA. Do not exceed this limit to prevent damage to the device. For higher current requirements, consider using additional drivers or buffers.

5. Propagation Delay:

   • The propagation delay time is the time it takes for the output to change state after the input changes. At room temperature (25掳C), the typical delay is 18 ns, with a maximum of 24 ns.

6. Power Dissipation:

   • The maximum power dissipation per gate is 100 mW. Ensure that the device is not operated beyond this limit to avoid overheating and potential failure.

7. Temperature Range:

   • The operating temperature range is from -40掳C to 85掳C. Ensure that the device is used within this range to maintain reliable operation.

8. Handling:

   • The 14072B is sensitive to electrostatic discharge (ESD). Handle the device with proper ESD precautions to avoid damage.

By following these parameters and instructions, you can ensure the reliable and efficient operation of the 14072B dual 4-input positive OR gate with open-collector outputs.

(For reference only)