Details

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BUY DM74LS574N https://www.utsource.net/itm/p/1465402.html
Octal D-Type Flip-Flop with 3-STATE Outputs

Parameter	Conditions	Min	Typ	Max	Unit
Supply Voltage (VCC)	Operating	4.75		5.25	V
Propagation Delay Time (tpd)	VCC = 5V, TA = 25°C		30		ns
Power Dissipation (PD)	Per Output Pin, VOH = 2.4V, IOH = -0.4mA		16		mW
Input Leakage Current (II)	VIN = 0 to 7V	-1		1	μA
Output High Voltage (VOH)	IOH = -0.4mA	2.4			V
Output Low Voltage (VOL)	IOL = 8mA			0.5	V
Storage Temperature Range	Non-operating	-65		150	°C
Operating Temperature Range		0		70	°C

Instructions for DM74LS574N:

1. Power Supply:

   • Ensure the supply voltage (VCC) is within the specified range of 4.75V to 5.25V for reliable operation.

2. Propagation Delay:

   • The typical propagation delay time (tpd) is 30ns at a supply voltage of 5V and ambient temperature of 25°C. Timing critical applications should consider this parameter carefully.

3. Power Dissipation:

   • Each output pin can dissipate up to 16mW when sourcing current with VOH = 2.4V and IOH = -0.4mA. Design considerations should account for total power dissipation across all outputs.

4. Current Handling:

   • Be cautious of input leakage currents which can range from -1μA to 1μA. This is important for low-power or high-impedance circuits.
   • Outputs can sink up to 8mA while maintaining VOL ≤ 0.5V.

5. Voltage Levels:

   • For valid logic levels, ensure that the output high voltage (VOH) is at least 2.4V when sourcing current, and the output low voltage (VOL) does not exceed 0.5V when sinking current.

6. Temperature Considerations:

   • The device can operate within an ambient temperature range of 0°C to 70°C. Storage temperatures can be as low as -65°C and as high as 150°C, but these are non-operating conditions.

7. Handling:

   • Follow standard ESD handling precautions to avoid damaging the device. Use appropriate anti-static equipment and procedures during handling and installation.

(For reference only)