Details

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BUY DM74123M https://www.utsource.net/itm/p/12604297.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	VCC		4.5		18	V
Output Drive Current	IOH	VOUT = 2.4V		4		mA
	IOL	VOUT = 0.4V		-8		mA
Propagation Delay Time	tpd	VCC = 5V, TA = 25掳C		36		ns
Reset Recovery Time	trr	VCC = 5V		50		ns
Minimum Pulse Width	tWmin	VCC = 5V		70		ns
Maximum Duty Cycle	DCmax	VCC = 5V		90		%
Operating Temperature	TA		-40		85	掳C

Instructions for DM74123M

1. Power Supply:

   • Ensure the supply voltage (VCC) is within the range of 4.5V to 18V for reliable operation.

2. Output Drive Capability:

   • The device can source up to 4mA and sink up to 8mA at the specified output voltages.

3. Propagation Delay:

   • For accurate timing applications, account for a typical propagation delay of 36ns under standard conditions.

4. Reset Recovery:

   • After a reset, allow at least 50ns for the device to recover before initiating another pulse.

5. Pulse Width:

   • The minimum pulse width should be at least 70ns to ensure proper detection and processing by the device.

6. Duty Cycle:

   • Maintain a maximum duty cycle of 90% to avoid overheating and potential malfunction.

7. Temperature Range:

   • Operate the device within an ambient temperature range of -40掳C to 85掳C to ensure stable performance.

8. Handling:

   • Handle with care to prevent damage from electrostatic discharge (ESD). Use appropriate ESD protection measures when handling or soldering the component.

9. Mounting:

   • Follow manufacturer guidelines for mounting and soldering to ensure optimal thermal and electrical performance.

(For reference only)