Details

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BUY SN74HC574DWR https://www.utsource.net/itm/p/839097.html
Quad EIA-485 Line Driver with Three-State Output; Package: SOIC-20 WB; No of Pins: 20; Container: Tape and Reel; Qty per Container: 1000

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	VCC		2.0		6.0	V
Output High Level Voltage	VOH	IO = -1 mA		2.4	VCC	V
Output Low Level Voltage	VOL	IO = 1 mA	0		0.4	V
Input Leakage Current	IIH	VI = VCC	-1		1	μA
Input Leakage Current	IIL	VI = 0 V	-1		1	μA
Propagation Delay Time	tpd	VCC = 4.5 V, TA = 25°C		8		ns
Power Dissipation	PD				100	mW

Instructions for SN74HC574DWR

1. Supply Voltage (VCC):

   • Operate within the specified voltage range of 2.0 to 6.0 V to ensure reliable operation.

2. Output Levels:

   • Ensure that the output voltages remain within the specified limits under all operating conditions. The high-level output should not exceed VCC and should be at least 2.4V when sourcing current.
   • The low-level output should not exceed 0.4V when sinking current.

3. Input Currents:

   • Keep input currents within the leakage current specifications (-1μA to 1μA) to prevent damage or unreliable behavior.

4. Propagation Delay (tpd):

   • Account for a typical propagation delay of 8ns at VCC = 4.5V and ambient temperature (TA) = 25°C in timing designs.

5. Power Dissipation:

   • Do not exceed the maximum power dissipation of 100mW to avoid overheating and potential failure.

6. Handling:

   • Handle with care to avoid electrostatic discharge (ESD) damage. Use appropriate ESD protection measures during handling and installation.

7. Mounting:

   • Ensure proper mounting on a PCB with adequate heat dissipation if operating near the upper limit of power dissipation.

8. Storage:

   • Store in a dry environment and follow manufacturer guidelines for long-term storage to maintain component integrity.

(For reference only)